AS
™
Datascope
Service Manual
ANESTHESIA DELIVERY SYSTEM
AS
™
Datascope
Service Manual
ANESTHESIA DELIVERY SYSTEM
AS3000™ is a U.S. trademark of Mindray DS USA, Inc.
Copyright © Mindray DS USA, Inc., 2008. All rights reserved. Contents of this publication may not be reproduced in any
form without permission of Mindray DS USA, Inc.
®
Krytox
is a U.S. registered trademark of E. I. du Pont de Nemours and Company
Selectatec
Glyptal
®
®
is a U.S. registered trademark of Glyptal, Inc.
Dräger Vapor
is a U.S. trademark of Datex Ohmeda
®
and plug-in system S-2000 are registered trademarks of Dräger Medical.
AS3000™ Service Manual 0070-10-0683
Table of Contents
Foreword.......................................................................................................................................................vii
Warnings, Cautions and Notes ........................................................................................................................vii
Warnings ......................................................................................................................................................vii
Cautions .......................................................................................................................................................viii
Notes ............................................................................................................................................................ ix
Theory of Operation .....................................................................................................1 - 1
Introduction................................................................................................................................................ 1 - 1
Microprocessor-controlled Ventilator.............................................................................................................. 1 - 2
Components............................................................................................................................................... 1 - 3
Front View .......................................................................................................................................... 1 - 3
Side View........................................................................................................................................... 1 - 5
Rear View........................................................................................................................................... 1 - 7
Other components (not identified in graphics) ......................................................................................... 1 - 8
Breathing System................................................................................................................................. 1 - 9
The Ventilator Unit ............................................................................................................................... 1 - 9
Adjustable Alarms ............................................................................................................................. 1 - 10
Compliance Compensation................................................................................................................. 1 - 10
Electrical Supply ....................................................................................................................................... 1 - 11
Electrical components......................................................................................................................... 1 - 11
Ventilator Control and Drive....................................................................................................................... 1 - 12
BDU (Basic Digital Unit)...................................................................................................................... 1 - 12
Amplifier Board ........................................................................................................................ 1 - 14
Drive Gas Pressure Sensor Board ................................................................................................ 1 - 19
PAW Pressure Sensor Board....................................................................................................... 1 - 20
Breathing System Heater ............................................................................................................ 1 - 21
Sensor Board............................................................................................................................ 1 - 23
Power Management........................................................................................................................... 1 - 26
Battery ............................................................................................................................................. 1 - 28
Power Supply.................................................................................................................................... 1 - 28
Anesthesia System Components .................................................................................................................. 1 - 29
Auxiliary Outlets................................................................................................................................ 1 - 29
Absorber Heater Wire Board .............................................................................................................. 1 - 29
Work Light Board .............................................................................................................................. 1 - 29
Ventilator UI ............................................................................................................................................. 1 - 31
Keyboard Board................................................................................................................................ 1 - 31
Display............................................................................................................................................. 1 - 34
Communication Interface / RS232 Isolate Board ...................................................................................1 - 35
Fuses ............................................................................................................................................... 1 - 35
Ventilator Pneumatic - O
Ventilator pneumatic drive .................................................................................................................. 1 - 36
Drive Pressure-High pressure regulator ................................................................................................. 1 - 36
Gas Box Assembly............................................................................................................................. 1 - 36
Tube color coding.............................................................................................................................. 1 - 36
The Breathing System ................................................................................................................................ 1 - 37
CMV mode, inspiration ...................................................................................................................... 1 - 37
CMV mode, expiration....................................................................................................................... 1 - 37
Manual mode, inspiration................................................................................................................... 1 - 38
Manual mode, expiration ................................................................................................................... 1 - 38
Pneumatic PEEP ................................................................................................................................. 1 - 39
Ventilator in Standby.......................................................................................................................... 1 - 39
Breathing System Components ............................................................................................................ 1 - 39
Ventilation Bellows System.......................................................................................................... 1 - 39
Drive Gas ........................................................................................................... 1 - 36
2
AS3000™ Service Manual 0070-10-0683 i
Table of Contents
Manual Breathing Bag............................................................................................................... 1 - 39
Absorber .......................................................................................................................... 1 - 39
CO
2
Inspiratory and Expiratory Valves................................................................................................ 1 - 39
APL (Airway Pressure Limiting) valve ............................................................................................ 1 - 39
Installation Guide .........................................................................................................2 - 1
Delivery of The New Anesthesia Machine ...................................................................................................... 2 - 1
Assembly ................................................................................................................................................... 2 - 2
Unpacking.......................................................................................................................................... 2 - 2
Breathing System and Breathing System Accessories ................................................................................ 2 - 2
Attaching the Mounting Arms and User Interface............................................................................. 2 - 3
Breathing System Connections ...................................................................................................... 2 - 3
Anesthesia System Connections..................................................................................................... 2 - 3
Tank Wrench and Pre-operation Checklist............................................................................................... 2 - 4
Patient Suction Regulator and Arm......................................................................................................... 2 - 4
Suction Canister Bracket....................................................................................................................... 2 - 4
Utility Tray, Monitor Mounting Arm with Utility Hook(s)............................................................................. 2 - 4
Vaporizers.......................................................................................................................................... 2 - 4
High Pressure Hoses ............................................................................................................................ 2 - 5
Emergency Cylinder(s) ......................................................................................................................... 2 - 5
Breathing Circuit, CO
Absorbent, and Liquid Vaporizer Agent ................................................................ 2 - 5
2
Monitoring Products - Mounting and Electrical Connection........................................................................2 - 6
Agent Monitor Waste Gas Scavenging .................................................................................................. 2 - 6
Oxygen Sensor Calibration .................................................................................................................. 2 - 6
Installation Checkout Procedure .................................................................................................................... 2 - 8
Repair Information ....................................................................................................... 3 - 1
Introduction................................................................................................................................................ 3 - 1
Warnings and Cautions............................................................................................................................... 3 - 2
Warnings ........................................................................................................................................... 3 - 2
Cautions............................................................................................................................................. 3 - 2
Troubleshooting Guidelines .......................................................................................................................... 3 - 2
Special Tools Required ................................................................................................................................ 3 - 3
Troubleshooting Chart ................................................................................................................................. 3 - 4
Common Symptoms and Corrective Actions for Field Service Technicians ................................................... 3 - 4
Leak Troubleshooting................................................................................................................................. 3 - 11
Test Pneumatics ........................................................................................................................................ 3 - 12
Leak Test - Manual Ventilation Test....................................................................................................... 3 - 12
Safety Valve Test ............................................................................................................................... 3 - 13
Leak Test - Automatic Ventilation Test.................................................................................................... 3 - 14
Compliance Test................................................................................................................................ 3 - 15
Pneumatic Hose and Wiring Diagrams ........................................................................................................ 3 - 16
Pneumatic Hose Labeling.................................................................................................................... 3 - 16
Sampling Pipeline Module Interface Labeling ........................................................................................ 3 - 17
Electrical Cable Labeling .................................................................................................................... 3 - 18
Replacement Parts and Accessories ...............................................................................4 - 1
Introduction................................................................................................................................................ 4 - 1
Available Replacement Parts and Sub-Assemblies ........................................................................................... 4 - 1
Exchange Program .............................................................................................................................. 4 - 1
Replacement Parts Pricing Information .................................................................................................... 4 - 1
Ordering Information ........................................................................................................................... 4 - 2
Isometric Drawings...................................................................................................................................... 4 - 3
Chassis .............................................................................................................................................. 4 - 3
Chassis Parts List ......................................................................................................................... 4 - 5
ii 0070-10-0683 AS3000™ Service Manual
Table of Contents
Breathing System................................................................................................................................. 4 - 6
Breathing System Parts List.......................................................................................................... 4 - 11
Electric Box....................................................................................................................................... 4 - 12
Electric Box Parts List.................................................................................................................. 4 - 12
Gas Circuit Box................................................................................................................................. 4 - 13
Gas Circuit Box Parts List............................................................................................................ 4 - 13
User Interface.................................................................................................................................... 4 - 14
User Interface Parts List............................................................................................................... 4 - 15
Flowmeter......................................................................................................................................... 4 - 16
Flowmeter Parts List.................................................................................................................... 4 - 16
Calibration ...................................................................................................................5 - 1
Introduction................................................................................................................................................ 5 - 1
Calibration Warnings, Precautions, and Notes............................................................................................... 5 - 2
Warnings ........................................................................................................................................... 5 - 2
Cautions............................................................................................................................................. 5 - 2
Notes................................................................................................................................................. 5 - 3
General Guidelines..................................................................................................................................... 5 - 4
Test Equipment and Special Tools Required.................................................................................................... 5 - 4
Calibration Procedures ................................................................................................................................ 5 - 4
Oxygen Sensor Calibration .................................................................................................................. 5 - 4
Proportional Valve Regulator Calibration ................................................................................................ 5 - 6
Flow Sensor Calibration ....................................................................................................................... 5 - 7
Flow Valve Calibration......................................................................................................................... 5 - 9
Paw Sensor....................................................................................................................................... 5 - 10
PEEP Valve ....................................................................................................................................... 5 - 11
Flow Meter ....................................................................................................................................... 5 - 12
Leakage detection.............................................................................................................................. 5 - 13
Startup leakage detection........................................................................................................... 5 - 13
APL Valve leakage detection....................................................................................................... 5 - 13
Safety Valve leakage detection ................................................................................................... 5 - 13
Breathing System leakage detection............................................................................................. 5 - 13
Compliance detection ........................................................................................................................ 5 - 13
Periodic Maintenance.................................................................................................... 6 - 1
Maintenance Schedule ................................................................................................................................ 6 - 1
Periodic Maintenance Consumable Parts Kits.................................................................................................. 6 - 1
Periodic Maintenance Schedule of Service Activities........................................................................................ 6 - 2
Visual Inspection Checklist ........................................................................................................................... 6 - 2
Replacement of Consumable Parts................................................................................................................. 6 - 3
Check Valve Cleaning................................................................................................................................. 6 - 4
Tools and Materials ............................................................................................................................. 6 - 4
Cleaning Procedure ............................................................................................................................. 6 - 5
Battery Maintenance and Replacement ........................................................................................................ 6 - 13
Battery Maintenance .......................................................................................................................... 6 - 13
Battery Replacement .......................................................................................................................... 6 - 13
Functional Tests ........................................................................................................................................ 6 - 13
Test Equipment and Special Tools Required........................................................................................... 6 - 13
Pressure Regulator Checks .................................................................................................................. 6 - 14
Proportional Valve Regulator ...................................................................................................... 6 - 14
Gas Delivery System Tests................................................................................................................... 6 - 14
Flush Verification ................................................................................................................. 6 - 14
O
2
O Ratio System ............................................................................................................... 6 - 15
O
2:N2
Start-Up Tests .................................................................................................................................... 6 - 15
AS3000™ Service Manual 0070-10-0683 iii
Table of Contents
System Self Test......................................................................................................................... 6 - 15
Leak/Safety Valve Test............................................................................................................... 6 - 15
Leak Test .................................................................................................................................. 6 - 17
Compliance Test ....................................................................................................................... 6 - 20
Manual Leak Test ...................................................................................................................... 6 - 21
Oxygen Sensor Calibration ........................................................................................................ 6 - 22
Pneumatic Leak Tests.......................................................................................................................... 6 - 24
O Cylinder Leak Test ............................................................................................................. 6 - 24
N
2
Cylinder Leak Test................................................................................................................ 6 - 24
O
2
AIR Cylinder Leak Test ............................................................................................................... 6 - 24
Line Supply Check Valves Test .................................................................................................... 6 - 24
O Line Pressure Leak Test ....................................................................................................... 6 - 25
N
2
Line Pressure Leak Test.......................................................................................................... 6 - 25
O
2
AIR Line Pressure Leak Test ......................................................................................................... 6 - 25
Cylinder Supply Check Valves Test .............................................................................................. 6 - 25
Breathing System Checks.................................................................................................................... 6 - 26
Waste Gas Scavenger Test (if available) ...................................................................................... 6 - 26
Internal Gas Connections Test ..................................................................................................... 6 - 26
Drive Gas Pressure Loss Alarm, N
O Cutoff Test ........................................................................... 6 - 26
2
Performance Verification .................................................................................................................... 6 - 27
Standby Mode Ventilation Test.................................................................................................... 6 - 27
Manual Mode Ventilation Test .................................................................................................... 6 - 27
APNEA Alarm Test .................................................................................................................... 6 - 27
Alarm MUTE Test....................................................................................................................... 6 - 27
CMV Adult Ventilation Mode Test................................................................................................ 6 - 28
CMV Child Ventilation Mode Test................................................................................................ 6 - 29
Airway Disconnect Alarm Test..................................................................................................... 6 - 29
PCV Adult Ventilation Mode Test ................................................................................................. 6 - 30
Pressure Support (PS) Ventilation Mode Test.................................................................................. 6 - 31
Alarms and Failsafe Functions ............................................................................................................. 6 - 32
Set Up ..................................................................................................................................... 6 - 32
Low FiO
High FiO
Alarm Test.................................................................................................................. 6 - 32
2
Alarm Test ................................................................................................................ 6 - 33
2
Peak Pressure Alarms Test .......................................................................................................... 6 - 33
Minute Volume Alarm Test.......................................................................................................... 6 - 34
Miscellaneous Tests............................................................................................................................ 6 - 34
Test the Line Voltage Alarm ........................................................................................................ 6 - 34
Wheel Brakes Test..................................................................................................................... 6 - 34
Work Light Test ......................................................................................................................... 6 - 34
Auxiliary Flowmeter................................................................................................................... 6 - 35
Patient Suction Regulator (if available) ......................................................................................... 6 - 35
Vaporizers........................................................................................................................................ 6 - 35
Vaporizer Interlock Test.............................................................................................................. 6 - 35
Vaporizer Accuracy Test ............................................................................................................ 6 - 36
Vaporizer Leak Test ................................................................................................................... 6 - 36
Dräger Vapor 2000 Operating Instructions ARRB-F001 ................................................................. 6 - 37
Electrical Tests................................................................................................................................... 6 - 38
Convenience AC Outlets Test...................................................................................................... 6 - 38
Electrical Safety Inspection Test ................................................................................................... 6 - 38
AS3000 Installation Checklist ............................................................................................................. 6 - 38
Cleaning.................................................................................................................................................. 6 - 39
Cleaning and Disinfecting the AS3000 ................................................................................................ 6 - 39
iv 0070-10-0683 AS3000™ Service Manual
Table of Contents
Cleaning and Sterilizing the Breathing System and Components.............................................................. 6 - 39
Preoperative Checklist ............................................................................................................................... 6 - 39
Phone Numbers and How To Get Assistance................................................................................................ 6 - 47
Warranty ..................................................................................................................... 7 - 1
Warranty Statements................................................................................................................................... 7 - 1
Disclaimers ................................................................................................................................................ 7 - 2
Product Improvements .......................................................................................................................... 7 - 2
Manufacturer’s Responsibility ....................................................................................................................... 7 - 2
AS3000™ Service Manual 0070-10-0683 v
Table of Contents
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vi 0070-10-0683 AS3000™ Service Manual
Foreword Introduction
Foreword
This Service Manual is intended as a guide for technically qualified personnel performing
repair and calibration procedures.
Warnings, Cautions and Notes
Please read and adhere to all warnings, cautions and notes listed here and in the
appropriate areas throughout this manual.
A WARNING is provided to alert the user to potential serious outcomes (death, injury, or
serious adverse events) to the patient or the user.
A CAUTION is provided to alert the user to use special care necessary for the safe and
effective use of the device. They may include actions to be taken to avoid effects on patients
or users that may not be potentially life threatening or result in serious injury, but about which
the user should be aware. Cautions are also provided to alert the user to adverse effects on
this device of use or misuse and the care necessary to avoid such effects.
A NOTE is provided when additional general information is applicable.
Warnings
WARNING: Whenever using anesthetic gases, nitrous oxide, oxygen, or
WARNING: For continued protection against fire hazard, replace all
WARNING: In order to prevent an electric shock, the machine
WARNING: Remove all accessory equipment from the shelf before
WARNING: Possible explosion hazard. Do not operate machine near
WARNING: The use of anti-static or electrically conductive respiration
any hospital gas always follow the appropriate agent
evacuation/collection procedures. Use the hospital gas
evacuation system.
fuses with the specified type and rating.
(protection class I) may only be connected to a correctly
grounded mains connection (socket outlet with grounding
contact).
moving the anesthesia machine over bumps or on any
inclined surface. Heavy top loading can cause the machine
to tip over causing injury.
flammable anesthetic agents or other flammable
substances. Do not use flammable anesthetic agents (i.e.,
ether or cyclopropane.)
tubes, when utilizing high frequency electric surgery
equipment, may cause burns and is therefore not
recommended in any application of this machine.
WARNING: Possible electric shock hazard. The machine may only be
opened by authorized service personnel.
AS3000™ Service Manual 0070-10-0683 vii
Introduction Cautions
WARNING: Compressed gasses are considered Dangerous Goods/
WARNING: Avoid exposure to respiratory gases by always directing
Hazardous Materials per I.A.T.A. and D.O.T. regulations. It is
a violation of federal and international law to offer any
package or over pack of dangerous goods for
transportation without the package being appropriately
identified, packed, marked, classified, labeled and
documented according to D.O.T. and I.A.T.A. regulations.
Please refer to the applicable I.A.T.A. Dangerous Goods
Regulations and /or the Code of Federal Regulations 49
(Transportation, Parts 171-180) for further information.
the fresh gas flow from the fresh gas outlet to the waste gas
scavenger.
Cautions
CAUTION: This device uses high pressure compressed gas. When
attaching or disconnecting backup gas cylinders, always
turn the cylinder valves slowly. Use the AS3000 flow meters
to bleed down the pressure, watching the cylinder gauge
indicate the depleting cylinder pressure, before
disconnecting the cylinder from the yoke. Always open and
close cylinder valves fully.
CAUTION: This device operates using compressed gas at high
pressures from the hospital central supply. When connecting
gas supply lines attach the hose connection to the machine
before connecting the quick disconnect fitting to the hospital
source. Disconnect the supply hose from the hospital source
connection prior to disconnecting it from the AS3000 gas
connection fittings.
CAUTION: Refer to the “Periodic Maintenance Schedule of Service
Activities” on page 6-2, in the Periodic Maintenance section
for assistance when performing scheduled periodic
maintenance.
CAUTION: Do not leave gas cylinder valves open if the pipeline supply
is in use and the system master switch is turned to 'ON'. If
used simultaneously, cylinder supplies could be depleted,
leaving an insufficient reserve supply in the event of
pipeline failure.
CAUTION: Use cleaning agent sparingly. Excess fluid could enter the
machine, causing damage.
CAUTION: This machine must only be operated by trained, skilled
medical staff.
CAUTION: Perform the electrical safety inspection as the last step after
completing a repair or after routine maintenance. Perform
this inspection with all covers, panels, and screws installed.
CAUTION: After changing the CO
CAUTION: Only Selectatec
CAUTION: After each exchange of a vaporizer, carry out a system Leak
test.
™
System may be used with the AS3000 unit.
test.
absorbent, carry out a system leak
2
compatible vaporizers with Interlock-
viii 0070-10-0683 AS3000™ Service Manual
Notes Introduction
CAUTION: The bellows dome cannot be autoclaved.
CAUTION: Do not clean the machine while it is on and/or plugged in.
CAUTION: Pressing “Quit” at any time during the procedure will cancel
the session's settings and reload the previously-stored
calibration coefficients.
CAUTION: Depleted soda lime changes color. Replace the soda lime if
approximately 2/3 of the absorber content is discolored.
absorbent can be safely changed without stopping
CO
2
mechanical ventilation.
Notes
NOTE: Unauthorized servicing may void the remainder of the
warranty. Check with the factory or with a local authorized
distributor to determine the warranty status of a particular
instrument.
AS3000™ Service Manual 0070-10-0683 ix
Introduction Notes
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x 0070-10-0683 AS3000™ Service Manual
1.0
Theory of Operation
1.1 Introduction
The AS3000 is a continuous flow anesthesia system which offers manual or automatic
ventilation, easily adjustable fresh gas delivery, anesthetic agent delivery, ventilation
monitoring, convenient ergonomics, and state-of-the-art safety systems. The components of the
AS3000 Anesthesia System are described this chapter.
AS3000™ Service Manual 0070-10-0683 1 - 1
Microprocessor-controlled Ventilator Theory of Operation
Gas Inlet
Block
N20
AIR
O2
Breathing
System
Ventilator
Pressure
Switch
Pressure
Regulator
Pressure
Regulator
Pressure
Regulator
Ratio•
Controller
N20•
Cuttoff
Flow
Tubes
Cylinder
Cylinder
Cylinder
Inlet Filter
Inlet Filter
Inlet Filter
O2
Flow
Meter
O2
Outlet
AIR•
Flow
Meter
Patient
Vaporizer
O2
Flush
Pressure
Regulator
Proportional
Valve
Solenoid
Valve
Fresh Gas
PEEP
Valve
Exhaust
Valve
APLValve
AGSS
Electronic
Control
Reversing
Valve
O2 Sensor
Insp.Valve
Absorber
Canister
Exp.Valve
Breathing Bag
OOO
P
P
P
P
P
P
P
Exp. Flow
Sensor
Insp. Flow
Sensor
Fresh Gas
Flow Sensor
V
Bellows
Vaporizer
1.2 Microprocessor-controlled Ventilator
The Microprocessor-controlled ventilator, with its dedicated Breathing System, allows timecontrolled, pressure limited, constant volume ventilation for all patient groups within a tidal
volume range of 40 mL (4 kg infant) to 1400 mL (large adult).
Time-controlled, pressure limited, and compliance compensated constant volume ventilation
is provided through the Controlled Mandatory Ventilation (CMV) mode. The CMV mode
delivers a viable ventilation method for complicated lung conditions. The ventilator also
provides time-controlled, volume dependant ventilation, targeting a set (adjustable) target
pressure provided through the Pressure Controlled Ventilation (PCV) mode. Automatic and
comprehensive system startup tests and alarm management systems ensure controlled
ventilation conditions in every mode of operation.
The durable and ergonomically designed user interface and Navigator
™
Knob enables easy
operation. The display provides the selected ventilation modes (CMV, PCV, PS and SIMV)
and the following values: Tidal Volume, Peak Pressure, Mean Pressure, FiO
, Breath Rate, I:E
2
Ratio, PEEP, Plateau Pressure, Alarm limits, and real-time Airway Pressure and flow
waveform.
1 - 2 0070-10-0683 AS3000™ Service Manual
FIGURE 1-1 The AS3000 Pneumatic System
Theory of Operation Components
4
5
6
7
8
9
2
1
10
11
3
1.3 Components
1.3.1 Front View
FIGURE 1-2 AS3000 Front View
1. Monitor Arm
The Monitor Arm provides support for a bedside monitor. It can easily rotate for more
convenient viewing.
2. User Interface
The display of the user Interface provides waveforms, numeric data and menu tabs. The keys
and Navigator Knob enable the user to power up the system, silence alarms, access menu
AS3000™ Service Manual 0070-10-0683 1 - 3
tabs, and switch between manual and mechanic ventilation.
Components Theory of Operation
3. UI Arm
The UI Arm provides support for the user interface assembly. It can easily rotate for more
convenient viewing.
4. Oxygen Sensor
The Oxygen Sensor monitors the oxygen concentration of the inspired gas of the Breathing
System.
5. Breathing System
The Breathing System’s main function is to store anesthetic gas, oxygen, and air; vent exhaust
gas; and absorb carbon dioxide. It connects directly to the respiratory passage to help
complete the breathing process.
6. CGO (Common Gas Outlet) Subassembly
Mixed gas composed of O
, AIR, N2O, and anesthetic agent connects to the patient's
2
Breathing System via a flexible tube from the CGO Subassembly.
7. O2 Flush Valve
The O2 Flush Valve is located on the front of the AS3000. The supplied gas does not pass
the flowmeter and vaporizer. It is directly sent to the fresh gas outlet. Press this button to
supply gas (35 - 50 L/min). Release this switch to automatically close the gas supply.
8. AGSS (Anesthetic Gas Scavenging System)
The AGSS (Anesthetic Gas Scavenging System) reclaims exhausted gas generated during
anesthesia.
9. Drawer Subassembly
The AS3000 has three drawers for storage, which can be locked and fixed through the
uppermost drawer lock.
10. Vaporizer Mounting Manifold
The Vaporizer Mounting Manifold provides support for up to two Selectatec
®
compatible
anesthetic vaporizers.
11. Flowmeter
The Flowmeter displays gas flow values for N2O, O2, AIR, Auxiliary O2, and Auxiliary AIR.
It consists of coarse and fine flow tubes used to accurately measure gas flow with additional
flow tubes to measure auxiliary O
and AIR gas flow.
2
Flow tube measurement values:
GAS FINE FLOW TUBE
O 0 - 1 L/min 1 - 12 L/min 1 - 10 L/min N/A
N
2
O
2
0 - 1 L/min 1 - 10 L/min 1 - 10 L/min 0 - 15 L/min
COARSE FLOW TUBE
-01 UNITS -02 UNITS AUXILIARY FLOW TUBE
AIR 0 - 1 L/min 1 - 15 L/min 1 - 12 L/min 0 - 15 L/min
1 - 4 0070-10-0683 AS3000™ Service Manual
Theory of Operation Components
12
13
14
15
16
17
18
19
20
21
22
23
1.3.2 Side View
FIGURE 1-3 AS3000 Side View
12. Upper Mainframe Subassembly
The Upper Mainframe Subassembly provides support for the pressure gauges, the Flowmeter,
the gas box assembly, the mains supply assembly, and the YOKE assembly.
13. User Interface Cable
The User Interface Cable provides signal transmission between the User Interface and the
main unit.
AS3000™ Service Manual 0070-10-0683 1 - 5
Components Theory of Operation
14. Auxiliary Gas Outlet Assembly
The Auxiliary Gas Outlet Assembly provides the patient with auxiliary oxygen and air mixtures
(of different concentrations). It also contains an O
connection for use with other equipment.
2
15. Breathing System Interface
The Breathing System Interface provides a connection interface for gas signal acquisition
between the Breathing System and gas circuit.
16. Breathing System Pneumatic Hose
The Breathing System Pneumatic Hose provides multiple connections including: PEEP control,
Auto/Manual control, and four pressure sampling connections between the Breathing System
and mainframe.
17. O
Sensor Cable
2
The O2 Sensor Cable provides a connection between the oxygen sensor component in the Breathing
System and the oxygen concentration signal acquisition port on outlet module of the mainframe.
18. Breathing System Interface
The Breathing System Interface provides the main unit with an interface for connection with
drive gas, heating system and the oxygen concentration sensor of the Breathing System.
19. The Breathing System Support Arm
The Breathing System Support Arm provides connection between the Breathing System and
the mainframe, in order to support the Breathing System.
20. Heater Wire
The Heater Wire provides connection to the heating system of the Breathing System. By
heating the Breathing System during anesthesia, accumulation of water in the Breathing
System is minimized. It also provides comfortable gas to the patient.
21. AGSS Transfer Hose
The AGSS Transfer Hose provides pipeline connection between the exhaust gas outlet of the
Breathing System and the AGSS evacuation system.
22. Lower Mainframe Assembly
The Lower Mainframe Assembly provides support for the drawer subassembly, outlet module,
CGO subassembly, O
flush valve and the electric box. Together with the Upper Mainframe
2
Subassembly and Base Assembly, forms the mainframe of the machine.
23. Base Assembly
The Base Assembly provides support to the whole machine. The four casters provide
movement for the machine in any direction. The front casters have a locking function.
1 - 6 0070-10-0683 AS3000™ Service Manual
Theory of Operation Components
24
25
26
27
28
29
30
31
32
33
1.3.3 Rear View
FIGURE 1-4 AS3000 Rear View
24. Top Shelf Assembly
The Top shelf Assembly includes the work light and its switch. It also serves as a storage
area.
25. Gas Input Assembly
The Gas Input Assembly allows gas in the pipeline and backup gas cylinder to enter the
AS3000 for regulation. The Pressure regulator reduces pressure to 36 psi (250 kPa). The
O
operated valve can open allowing N2O to enter the flowmeter only when O2 pressure is
2
above 7.3 psi (50 kPa). Otherwise, N2O cannot enter the gas circuit. The pressure switch
generates a signal when the input pressure is below 29 psi (200 kPa), and the system will
provide an audible alarm.
AS3000™ Service Manual 0070-10-0683 1 - 7
Components Theory of Operation
26. Vaporizer Storage Mount
The Vaporizer Storage Mount provides the AS3000 with auxiliary placement for a
vaporizer.
27. Mains Supply Assembly
The Mains Supply Assembly attaches the AS3000 to an external AC wall outlet. It also
supplies power throughout the unit.
28. Electronic Flowmeter Assembly
The Electronic Flowmeter Assembly provides fresh gas flow measurement for the AS3000.
29. Gas Box Assembly
The Gas Box Assembly provides drive gas to the Breathing System and includes a safety
valve to insure that pressure stays below 85 cmH
O. It also contains the PEEP valve, and the
2
differential pressure sensors.
30. YOKE Assembly
The YOKE Assembly provides connection for three backup gas cylinders. The pressure
regulator for the backup gas cylinder reduces the pressure of a high pressure gas cylinder
down to 43.5 psi (300 kPa).
31. AMP Cables
The AMP Cables provide signal transmission between the electric box and gas circuit box.
32. Electric Box Assembly
The Electric Box Assembly provides, and distributes power to the AS3000.
33. Rear Panel Assembly
The Rear Panel Assembly protects, and provides heat dissipation for the electric box and
auxiliary support for the backup gas cylinder.
1.3.4 Other components (not identified in graphics)
34. Inspiratory and Expiratory Valves
The Inspiratory and Expiratory Valves are unidirectional valves that allow air to flow in only
one direction.
35. Absorber Canister
The AS3000 uses two Absorber Canisters which can contain 1500 mL of soda lime each.
They can be used for 6 - 8 hours each if full. Water generated from the reaction with CO
drained from a valve on the lower side of the canister.
36. APL (Airway Pressure Limiting) Valve
The APL Valve is used for limiting maximum airway pressure during manual ventilation. The
adjustable range of the APL is 0 - 70 cmH
O.
2
is
2
1 - 8 0070-10-0683 AS3000™ Service Manual
Theory of Operation Components
37. Bellows Assembly
The AS3000 employs ascending ventilation bellows, in which mixed gas is stored. Drive
gas supplied by the ventilator forces the bellows to descend sending mixed gas into the
inspiratory passage of patient's airway. If a patient's airway suffers from gas leakage, the
bellows will collapse, informing the operator of a possible problem. A tidal volume scale is
provided on the transparent dome, through which a patient's tidal volume can be estimated.
38. Pressure-relief Valve
The Pressure-relief Valve is located at the base of the bellows. When end-expiration airway
pressure reaches 1 - 3 cmH
expelled.
39. Exhaust Gas Outlet
The Exhaust Gas Outlet is located on the lower part of the Breathing System. It is connected
to the AGSS or via the AGSS transfer tube.
40. Absorber Heating System
The Breathing System is heated to body temperature to avoid humidified gases condensing
within the Breathing System thus improving airway climatization for the patient's re-breathing
of respiratory gases.
O, the pressure-relief valve opens and redundant gas is
2
1.3.5 Breathing System
The Breathing System is integrated into a compact aluminum block. This block is heated to
body temperature to prevent condensing of humidified gases within the Breathing System,
thus improving airway climatization for the patient's re-breathing of respiratory gases. The
heated Breathing System contains: an inspiratory valve with O
measurement, expiratory valve, APL Valve, breathing bag connection, and internal
inspiratory and expiratory flow sensors.
1.3.6 The Ventilator Unit
The AS3000 ventilator offers multiple ventilation modes: Controlled Mandatory Ventilation
with volume control (CMV), Pressure Control Ventilation (PCV), Synchronized Intermittent
Mandatory Ventilation (SIMV), and Pressure Support (PS) ventilation. Electronic PEEP is
available in all ventilation modes. User control over inspiratory flow (SLOPE) is possible in
PCV, SIMV, and PS modes. Automatic fresh gas compensation limits the effect of user
changes in fresh gas flow rate on the patient. The traditional bellows system is driven by
oxygen and makes patient disconnections clearly visible.
adapter for FiO2
2
AS3000™ Service Manual 0070-10-0683 1 - 9
Components Theory of Operation
1.3.7 Adjustable Alarms
Minimum and maximum alarm limits can be set for Peak Pressure, Mean Pressure and FiO2.
Minimum alarm limits can be set for Tidal Volume and Minute Volume. Exceeding the peak
pressure alarm limit automatically halts the inspiratory phase preventing airway pressure
from exceeding the high alarm setting. In the CMV mode, when reaching this pressure limit,
a “High Airway Pressure” alarm is displayed, and inspiration is discontinued. The next
inspiration occurs at the regular time interval, preventing increase of the respiratory rate. The
result is a decreased tidal volume (T Vol.) and minute volume (M Vol.). During pressure
limitation, the ventilator displays the alarm message until the condition is corrected.
1.3.8 Compliance Compensation
Compliance compensation automatically corrects for the expansion of the circuit in CMV
ventilation mode. System compliance is measured by the ventilator to maintain the set tidal
volume (±15%). The compliance test may be bypassed at machine power up. When
bypassing the compliance test, the default settings are used.
1 - 10 0070-10-0683 AS3000™ Service Manual
Theory of Operation Electrical Supply
Ventilator UI
Ventilator Control and Drive
Anesthesia
10.4” TFT-LCD
PC104
Backlight Inverter
Amplifier for
audio alarm
Communication
and Interface
Keypad
Knob
BDU
Amplifier
PWR MNG
DC/DC
BAT
PS
AC/DC
SW
Work L ight
FM Back Light
AC Heater
Ctrl &
Protect
Aux Mains
Outlet
Inlet
Filter
Power Supply
Pwr
DA
Cable
Switch
Switch
Internal Signals
Val. Exp. PEEP
Flow Insp.
FM Flow Sensor
Cal. Valve
Manual/Mech Val.
P. V a l. In sp.
Gas Source Pressure
FiO2 Sensor
Airway Pressure
Probe Flow
1.4 Electrical Supply
1.4.1 Electrical components
FIGURE 1-5 Electrical Components Overview
AS3000™ Service Manual 0070-10-0683 1 - 11
Ventilator Control and Drive Theory of Operation
1.5 Ventilator Control and Drive
1.5.1 BDU (Basic Digital Unit)
The BDU serves as the active ventilator control. The BDU controls the actions of the PEEP,
calibration, and proportional valves, and reads the signal flow, and pressure sensors and
valves
FIGURE 1-6 BDU Control Board, Top View
1 - 12 0070-10-0683 AS3000™ Service Manual
Theory of Operation Ventilator Control and Drive
FIGURE 1-7 BDU Control Board, Bottom View
AS3000™ Service Manual 0070-10-0683 1 - 13
Ventilator Control and Drive Theory of Operation
1.5.1.1 Amplifier Board
FIGURE 1-8 Amplifier Board, Top View
FIGURE 1-9 Amplifier Board, Bottom View
1 - 14 0070-10-0683 AS3000™ Service Manual
Theory of Operation Ventilator Control and Drive
O2 Sensor Input, S4
PIN NAME FUNCTION
1. O
2. O
3. O
4. O
-O
2
-O
2
+O
2
+O
2
Sensor Input -
2
Sensor Input -
2
Sensor Input +
2
Sensor Input +
2
DC Power Input, J7
PIN NAME FUNCTION
1. GND Power Ground
2. +5V Controller Logic Power
3. P12V Power 12V
4. PWBUS Power Bus 24V
5. GND Analog Ground
6. A12V Analog 12V
7. 5V/4.8V Power 5V/4.8V
Power Control, J20
PIN NAME FUNCTION
1. GND Ground
2. /PWON Power On Enable, Low active
3. PWEN Power On Enable, High active
4. 5VAUX 5V Auxiliary
5. DC_M AC/DC Monitor signal
6. PWBUS Power bus
7. BAT_M Battery Monitor signal
8. APE Auxiliary Power Enable
9. CHAR_SIGNAL Charge Status, No connection
10. /MUTE Mute, No connection
Signals and Power to Keyboard, J5
PIN NAME FUNCTION
1. ENPW Power Enable, High active
2. /PWON / Power on Enable, Low active
3. 5VAUX 5V Auxiliary
4. APE Auxiliary Power Enable
5. GND Ground
6. TTLRX TTL Receive
7. 232ARX RS232A Receive
8. 232BRX RS232B Receive
9. GND Ground
AS3000™ Service Manual 0070-10-0683 1 - 15
Ventilator Control and Drive Theory of Operation
Signals and Power to Keyboard, J5 (Continued)
PIN NAME FUNCTION
10. PWBUS PowerBus
11. PWBUS PowerBus
12. PWBUS PowerBus
13. GND Ground
14. GND Ground
15. DC24V DC24V monitor
16. BATV+ Battery monitor
17. /MUTE No connection
18. GND Ground
19. TTLTX TTL Transmit
20. 232ATX RS232A Transmit
21. 232BTX RS232B Transmit
22. GND Ground
23. PWBUS PowerBus
24. PWBUS PowerBus
25. GND Ground
Signals and Power to Sensor Board, J30
PIN NAME FUNCTION
1. A+12V Analogue +12V
2. FL_INS Import flow
3. FL_EXP Export flow
4. FM_FL Flowmeter flow
5. Pair Pressure of air
6. Paw Pressure inside air way
7. Pgas Pressure gas supply status
8. GND Ground
9. AGND Analog Ground
10. AGND Analog Ground
11. P24V Power 24V
12. P24V Power 24V
13. P24V Power 24V
14. P12V Power 12V
15. P12V Power 12
16. P5V Power 5V
17. P5V Power 5V
18. Inhale Inspire Valve
19. Man Manual/AUTO Valve
20. Exhale Expire Valve
21. Exhale Expire Valve
22. AGND Analog Ground
1 - 16 0070-10-0683 AS3000™ Service Manual
Theory of Operation Ventilator Control and Drive
Signals and Power to Sensor Board, J30 (Continued)
PIN NAME FUNCTION
23. AGND Analog Ground
24. AGND Analog Ground
25. AGND Analog Ground
Bus to BDU, J96
PIN NAME FUNCTION
1 - 3 5V 5V Power
4 - 6 GND Ground
Test Point Definition
DESIGNATOR NAME FUNCTION RANGE
T1 FIO
T2 Pgas Pressure switch of gas supply,
T3 FL_INSP Inspire Flow signal 0.20-0.30V (0 flow)
T4 Pair Absolute Pressure of air way 1.7-2.1V (atmospheric
T5 FL_EXP Expire flow signal 0.20-0.30V (0 flow)
T6 Fm_fl Flow of flowmeter 0.25-0.51V (flowmeter off)
T7 AD-Exhale PEEP valve, current feedback Level depends on PEEP
T8 Volt Internal power inspect
T9 MUTE Not used
T10 M-EN Manual/Auto mode select
T11 V-EN Valves enable Input Global valve enable signal.
T12 EX-DA Exhale DA output
T13 In-DA Inhale DA output
T14 GS_ST gas supply status, high active
T15 XVI unamplified version of T7
T16 IVI unamplified version of T28
T17 MVI Manual-Valve current feedback
T18 IVG Proportional valve drive signal,
T19 XVG PEEP valve drive signal - drives
T20 PADJ Power 4.8V 4.8V
T21 P24V Power 24V 24V
T22 P12V Power 12V 12V
ADC input of O2 Sensor 0.25-0.51V (In AIR)
2
low active
pressure)
setting and vent mode. No
activity may indicate open
connection from driver to
valve (ie. bad cable)
Must be active for valves to
operate.
Level depends on machine
drives T16 and T28
T15 and T7
settings.
Level depends on PEEP
setting and vend mode.
AS3000™ Service Manual 0070-10-0683 1 - 17
Ventilator Control and Drive Theory of Operation
Test Point Definition
DESIGNATOR NAME FUNCTION RANGE
T23 -10V Negative Voltage -10V -10V
T24 A12V Analogue 12V 12V
T25 VCC Power 5V 5V
T26 5VAUX 5V Auxiliary 5V
T27 10V Analogue +10V +10V
T28 AD-Inhale Inhale-STATE feedback No activity may indicate
T29 AGND Analogue Ground
T30 GND Ground
T31 PAW Pressure inside air way 0.45-0.55 (open to
T32 Manual Manual/Auto Valve feedback
open connection from driver
to valve (ie. bad cable)
atmosphere)
1 - 18 0070-10-0683 AS3000™ Service Manual
Theory of Operation Ventilator Control and Drive
1.5.1.2 Drive Gas Pressure Sensor Board
FIGURE 1-10 Drive Gas Pressure Sensor Board, Top View
FIGURE 1-11 Drive Gas Pressure Sensor Board, Bottom View
Pair Board
Pair, J1
PIN NAME FUNCTION
1. AGND Analog Ground
2. Pair Pressure of air
3. NC No connection
4. AR10V 10V
5. NC No connection
AS3000™ Service Manual 0070-10-0683 1 - 19
Ventilator Control and Drive Theory of Operation
1.5.1.3 PAW Pressure Sensor Board
FIGURE 1-12 Paw Pressure Sensor Board, Top View
FIGURE 1-13 Paw Pressure Sensor Board, Bottom View
Paw Board
Paw, J2
PIN NAME FUNCTION
1. AGND Analog Ground
2. Paw Pressure inside airway
3. AR5V 5V
4. NC No connection
5. NC No connection
1 - 20 0070-10-0683 AS3000™ Service Manual
Theory of Operation Ventilator Control and Drive
1.5.1.4 Breathing System Heater
FIGURE 1-14 Breathing System Heater Board, Top View
FIGURE 1-15 Breathing System Heater Board, Bottom View
J2
PIN NAME FUNCTION
2. GND Power Ground
3. 5V Controller Power, Output Enable
4. 24V Heater Power Supply
5. NC No Connection
AS3000™ Service Manual 0070-10-0683 1 - 21
Ventilator Control and Drive Theory of Operation
J3
PIN NAME FUNCTION
1. RET Heater Power Ground
2. DQ Sensor signal
3. 24V Heater Output
Test point definition
DESIGNATOR NAME FUNCTION
T10 GND Power Ground
T1 5V Controller Power
T7 24V Heater Power input
T9 POUT Heater Output
Indicating lamp definition
DESIGNATOR STATUS FUNCTION
LT2 RED Heater Output available
LT3 GREEN Heater Ready
1 - 22 0070-10-0683 AS3000™ Service Manual
Theory of Operation Ventilator Control and Drive
1.5.1.5 Sensor Board
FIGURE 1-16 Sensor Board, Top View
FIGURE 1-17 Sensor Board, Bottom View
AS3000™ Service Manual 0070-10-0683 1 - 23
Ventilator Control and Drive Theory of Operation
Sensor Board
Pair, J1
PIN NAME FUNCTION
1. AGND Analog Ground
2. Pair Pressure of air
3. NC No connection
4. AR10V 10V
5. NC No connection
PAW, J2
PIN NAME FUNCTION
1. AGND Analog Ground
2. Paw Pressure inside airway
3. AR5V 5V
4. NC No connection
5. NC No connection
Work Light Power, J11
PIN NAME FUNCTION
1. 24V Power 24V
2. GND Power Ground
Backlight Power, J15
PIN NAME FUNCTION
1. 24V Power 24V
2. GND Power Ground
Switch of Gas Supply, J6
PIN NAME FUNCTION
1. GND Ground
2. NC No connection
3. Pgas Switch input
Expire Valve, J14
PIN NAME FUNCTION
1. 5V 5V
2. Valexp Ex p ire Valv e Drive
1 - 24 0070-10-0683 AS3000™ Service Manual
Theory of Operation Ventilator Control and Drive
Inspire Valve, J12
PIN NAME FUNCTION
1 - 2 24V 24V
3 - 4 Valexp inspire Valve Drive
Man/Auto Valve, J14
PIN NAME FUNCTION
1. 24V 24V
2. Valman Manual/Auto Valve Drive
Signals and Power of Sensor Board, J13
PIN NAME FUNCTION
1. A+12V Analogue +12V
2. FL_INS Import flow
3. FL_EXP Export flow
4. FM_FL Flowmeter flow
5. Pair Pressure of air
6. Paw Pressure inside air way
7. Pgas Pressure gas supply status
8. GND Ground
9. AGND Analog Ground
10. AGND Analog Ground
11. P24V Power 24V
12. P24V Power 24V
13. P24V Power 24V
14. P12V Power 12V
15. P12V Power 12
16. P5V Power 5V
17. P5V Power 5V
18. Inhale Inspire Valve
19. Man MANUAL/AUTO Valve
20. Exhale Expire Valve
21. Exhale Expire Valve
22. AGND Analog Ground
23. AGND Analog Ground
24. AGND Analog Ground
25. AGND Analog Ground
AS3000™ Service Manual 0070-10-0683 1 - 25
Ventilator Control and Drive Theory of Operation
1.5.2 Power Management
Power management is located behind the Rear Panel Assembly. This module serves as the
voltage supply for the ventilator control and drive BDU, the flowmeter backlight, the work
light, the Breathing System Heater, and the charging/discharging control for the battery.
FIGURE 1-18 Power Board, Top View
FIGURE 1-19 Power Board, Bottom View
1 - 26 0070-10-0683 AS3000™ Service Manual
Theory of Operation Ventilator Control and Drive
Power Board
Battery input, J4
PIN NAME FUNCTION
1. BAT Battery Input +
2. 5V Power Ground
3. BATTEST Battery test input
DC24V Power input, J3
PIN NAME FUNCTION
4. GND Power Ground
5. GND Power Ground
6. 24V Power input
7. 24V Power input
DC Power output, J2
PIN NAME FUNCTION
1. GND Power Ground
2. +5V Controller Logic Power
3. P12V Power 12V
4. PWBUS Power Bus 24V
5. GND Analog Ground
6. A12V Analog 12V
7. 5V/4.8V Power 5V/4.8V
Heater Power, J1
PIN NAME FUNCTION
6. GND Power Ground
7. 5V Controller Power, Output Enable
8. 24V Heater Power Supply
9. PBUS Power Bus, No Connection
Power Control, J2
PIN NAME FUNCTION
1. GND Ground
2. /PWON Power On Enable, Low active
3. PWEN Power On Enable, High active
4. 5VAUX 5V Auxiliary
5. DC_M AC/DC Monitor signal
6. PWBUS Power bus
7. BAT_M Battery Monitor signal
AS3000™ Service Manual 0070-10-0683 1 - 27
Ventilator Control and Drive Theory of Operation
Power Control, J2 (Continued)
PIN NAME FUNCTION
8. APE Auxiliary Power Enable
9. CHAR_SIGNAL Charge Status, No connection
10. /MUTE Mute, No connection
Power Switch, J5
PIN NAME FUNCTION
1. GND Ground
2. NC No Connection
3. PWON Power On Enable, Low active
Test Point definitions
DESIGNATOR NAME FUNCTION
T1 24V 24V DC Input
T2 PWBUS Power Bus
T3 A12V Analogue 12V
T4 P12V Power 12V
T5 +5V Logic Power 5V
T6 5V/4.8V Power 5V/4.8V
T7 BAT+ Battery Input +
T8 30V 30V for charger
T9 PWAUX Power Auxiliary
T10 CHARGE Charge Status
T11 5VAUX 5V Auxiliary
T12 VRs Charger Feedback
Led Designation
DESIGNATOR LED COLOR STATUS FUNCTION
DS1 GREEN 24V DC available
DS2 GREEN Power Bus On
DS3 GREEN Charge
1.5.3 Battery
The sealed lead-acid battery is maintenance free, and has a maximum recharge time of 8
hours when fully discharged. The run time is at least 45 minutes with a fully charged battery.
To prevent unintended loss of battery operation, the recommended replacement period is
every 3 years.
1.5.4 Power Supply
The power supply provides power to the machine and relevant controls.
1 - 28 0070-10-0683 AS3000™ Service Manual
Theory of Operation Anesthesia System Components
1.6 Anesthesia System Components
1.6.1 Auxiliary Outlets
The AS3000 has four auxiliary outlets (120 VAC, 60 Hz, 2A maximum each). There are
two 2A fuses for each outlet.
1.6.2 Absorber Heater Wire Board
FIGURE 1-20 Absorber Heater Wire Board, Top View
FIGURE 1-21 Absorber Heater Wire Board, Bottom View
1.6.3 Work Light Board
FIGURE 1-22 Work Light Board, Top View
FIGURE 1-23 Work Light Board, Bottom View
AS3000™ Service Manual 0070-10-0683 1 - 29
Anesthesia System Components Theory of Operation
Work light Power, J11
PIN NAME FUNCTION
1. 24V Power
2. NC No Connection
3. GND Power Ground
Work light switch, J11
PIN NAME FUNCTION
1. 24V Power 24V
2. NC No Connection
3. LOW Low dim
4. HIGH High dim
1 - 30 0070-10-0683 AS3000™ Service Manual
Theory of Operation Ven tilator U I
1.7 Ventilator UI
1.7.1 Keyboard Board
FIGURE 1-24 Keyboard Board, Top View
AS3000™ Service Manual 0070-10-0683 1 - 31
Ventilator UI Theory of Operation
FIGURE 1-25 Keyboard Board, Bottom View
1 - 32 0070-10-0683 AS3000™ Service Manual
Theory of Operation Ven tilator U I
Keyboard
Signals and Power of Keyboard, J1
PIN NAME FUNCTION
1. ENPW Power Enable, High active
2. GND Ground
3. /PWON / Power on Enable, Low active
4. DC24V DC24V monitor
5. 5VAUX 5V Auxiliary
6. BATV+ Battery monitor
7. APE Auxiliary Power Enable
8. /MUTE No connection
9. GND Ground
10. GND Ground
11. TTLRX TTL Receive
12. TTLTX TTL Transmit
13. 232ARX RS232A Receive
14. 232ATX RS232A Transmit
15. 232BRX RS232B Receive
16. 232BTX RS232B Transmit
17. GND Ground
18. GND Ground
19. PWBUS PowerBus
20. PWBUS PowerBus
21. PWBUS PowerBus
22. PWBUS PowerBus
23. PWBUS PowerBus
24. GND Ground
25. GND Ground
PC104 Power output, J6
PIN NAME FUNCTION
1. 5V Controller Logic Power
2. GND Power Ground
3. GND Power Ground
4. 12V Power 12V, No connection
Backlight Power, J2
PIN NAME FUNCTION
1. 12V Power output
2. 12V Power output
3. GND Power Ground
4. GND Power Ground
AS3000™ Service Manual 0070-10-0683 1 - 33
Ventilator UI Theory of Operation
Backlight Power, J2 (Continued)
PIN NAME FUNCTION
5. ON/OFF Backlight ENABLE
6. DIM Contrast adjust
Power of 232 Isolator, J9
PIN NAME FUNCTION
1. 5V Power 5V
2. NC No connection
3. GND Ground
COM1/2
PIN NAME FUNCTION
2 RXD 232RXD TO PC104 INPUT
3 TXD 232TXD TO PC104 OUTPUT
5 GND Ground
Test Point Definition
DESIGNATOR NAME FUNCTION
T5 +5V Logic Power 5V
T6 P12V Power 12V
T9 PWBUS Power Bus
LED Designation
DESIGNATOR STATUS FUNCTION
LT1 GREEN/BLINK Keyboard ready
1.7.2 Display
The display is a 10.4 inch TFT LCD
1 - 34 0070-10-0683 AS3000™ Service Manual
Theory of Operation Ven tilator U I
1.7.3 Communication Interface / RS232 Isolate Board
FIGURE 1-26 RS232 Isolate Board, Top View
FIGURE 1-27 RS232 Isolate Board, Bottom View
RS232 Isolator
Power, J3
Pin Name Function
4. 5V Power 5V
5. NC No connection
6. GND Ground
COM1/2
Pin Name Function
2 RXD 232RXD TO PC INPUT
3 TXD 232TXD TO PC OUTPUT
5 GND Ground
COM1A/B
Pin Name Function
2 TXD 232TXD TO PC OUTPUT
3 RXD 232RXD TO PC INPUT
5 GND Ground
1.7.4 Fuses
The AS3000 has 10 fuses on the back panel of the unit. There are two 2A fuses for each of
the four outlets and two 10A fuses for the line cord.
AS3000™ Service Manual 0070-10-0683 1 - 35
Ventilator Pneumatic - O2 Drive Gas Theory of Operation
1.8 Ventilator Pneumatic - O2 Drive Gas
1.8.1 Ventilator pneumatic drive
Oxygen is the driving gas for the ventilator. In addition to the flowmeter block, a high
pressure regulator reduces the supply pressure to 25.4 psi (175 kPa). This pressure
represents the drive gas for the ventilator.
The drive pressure regulator is placed ahead of the proportional valve that generates the
driving gas flow during the inspiratory phase. This flow fills the bellows dome that surrounds
the bellows.
1.8.2 Drive Pressure-High pressure regulator
The drive pressure regulator stabilizes the supply pressure provided to the proportional valve.
The flow generated by the proportional valve is therefore independent of pressure variations
at the supply.
Setting the drive pressure regulator at 25.4 psi (175 kPa) allows for a maximum inspiratory
flow of 70 L/min at the ventilator.
1.8.3 Gas Box Assembly
The driving module consists of the proportional valve and a solenoid valve for the vent mode
switch. The proportional valve pressure regulator, and generates a driving gas flow of 0 - 70
L/min in relation to the control voltage of the proportional valve of 0 - 5VDC.
The control voltage of the proportional valve, required for the pre-selected parameter
settings, is generated by the BDU board. The driving gas flow Q
relationship with the tidal volume:
Q
with: Q
V
T
T = time
= VT/T
drive gas
= driving gas flow
drive gas
= generated tidal volume
1.8.4 Tube color coding
All the pneumatic tubes used in the AS3000 are color coded for use in the United States
only.
GAS US STANDARD
O
2
OBlue
N
2
AIR Yellow
Green
is in the following
drive gas
1 - 36 0070-10-0683 AS3000™ Service Manual
Theory of Operation The Breathing System
Breathing
System
Ventilator
Patient
Pressure
Regulator
Proportional
Valve
Solenoid
Valve
Fresh Gas
PEEP
Valve
Exhaust
Valve
APL Valve
AGSS
Electronic
Control
Reversing
Valve
O2 Sensor
Insp. Valve
Absorber
Canister
Exp. Valve
Breathing Bag
P
Exp. Flow
Sensor
Insp. Flow
Sensor
Bellows
Breathing
System
Ventilator
Patient
Pressure
Regulator
Proportional
Valve
Solenoid
Valve
Fresh Gas
PEEP
Valve
Exhaust
Valve
APL Valve
AGSS
Electronic
Control
Reversing
Valve
O2 Sensor
Insp. Valve
Absorber
Canister
Exp. Valve
Breathing Bag
P
Exp. Flow
Sensor
Insp. Flow
Sensor
Bellows
1.9 The Breathing System
1.9.1 CMV mode, inspiration
Tidal volume (T Vol.) compensates for variations in gas flow. This is to ensure that the set tidal
volume is delivered to the patient.
FIGURE 1-28 Breathing System Pneumatics, CMV Mode, Inspiration
1.9.2 CMV mode, expiration
As the patient exhales tidal volume into the expiratory limb, fresh gas enters the bellows.
Fresh gas mixes with exhaled gas after the Absorber removes CO
through the exhaust valve to the AGSS
. Excess fresh gas passes
2
AS3000™ Service Manual 0070-10-0683 1 - 37
FIGURE 1-29 Breathing System Pneumatics, CMV Mode, Expiration
The Breathing System Theory of Operation
Breathing
System
Ventilator
Patient
Pressure
Regulator
Proportional
Valve
Solenoid
Valve
Fresh Gas
PEEP
Valve
Exhaust
Valve
APL Valve
AGSS
Electronic
Control
Reversing
Valve
O2 Sensor
Insp. Valve
Absorber
Canister
Exp. Valve
Breathing Bag
P
Exp. Flow
Sensor
Insp. Flow
Sensor
Bellows
2 cmH2O
Breathing
System
Ventilator
Patient
Pressure
Regulator
Proportional
Valve
Solenoid
Valve
Fresh Gas
PEEP
Valve
Exhaust
Valve
APL Valve
AGSS
Electronic
Control
Reversing
Valve
O2 Sensor
Insp. Valve
Absorber
Canister
Exp. Valve
Breathing Bag
P
Exp. Flow
Sensor
Insp. Flow
Sensor
Bellows
2 cm H2O
1.9.3 Manual mode, inspiration
As the breathing bag is compressed, the gas is directed to the patient. Pressures exceeding
the set value of the APL Valve will pass through the APL Valve the AGSS.
FIGURE 1-30 Breathing System Pneumatics, Manual Mode, Inspiration
1.9.4 Manual mode, expiration
As the patient exhales tidal volume into the expiratory limb, fresh gas enters the Breathing
System. Fresh gas mixes with exhaled gas after the Absorber removes CO2. Excess fresh gas
passes through the exhaust valve to the AGSS
FIGURE 1-31 Breathing System Pneumatics, Manual Mode, Expiration
1 - 38 0070-10-0683 AS3000™ Service Manual
Theory of Operation The Breathing System
1.9.5 Pneumatic PEEP
The PEEP valve regulates the pressure at which the exhaust valve opens, therefore the exhaust
valve opens only when the pressure exceeds the set PEEP pressure.
1.9.6 Ventilator in Standby
When the AS3000 is in the standby mode, monitoring will be inactive, The patient should
not be ventilated when the system is in standby mode.
1.9.7 Breathing System Components
1.9.7.1 Ventilation Bellows System
The ventilator's driving system is a flow generator. Driving gas fills the bellows dome to
compress the bellows. The breathing gas is pressed out of the bellows into the patient
breathing circuit. The bellows is refilled with fresh gas and the expired gas from the patient.
1.9.7.2 Manual Breathing Bag
In manual mode, this device acts as a normal breathing bag, enabling the user to ventilate
the patient manually. In mechanical ventilation mode, this bag is cut off from the breathing
circuit by the reversing valve.
1.9.7.3 CO2 Absorber
The soda lime inside the absorber retains the carbon dioxide from the exhaled gas. The
AS3000 accommodates standard sized Pre-Paks or loose-fill CO2 absorbent.
1.9.7.4 Inspiratory and Expiratory Valves
To ensure correct gas flow direction to and from the patient, one-way-valves are integrated in
the inspiratory and expiratory limb of the Breathing System.
1.9.7.5 APL (Airway Pressure Limiting) valve
In manual mode, the APL Valve acts as a normal spring loaded pressure relief valve, limiting
the maximum pressure in the Breathing System.
AS3000™ Service Manual 0070-10-0683 1 - 39
The Breathing System Theory of Operation
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1 - 40 0070-10-0683 AS3000™ Service Manual
2.0
Installation Guide
2.1 Delivery of The New Anesthesia Machine
The following customer supplied material must be present prior to installation. Missing
equipment can result in delays, incomplete installations and/or extra visits.
• Compatible emergency O2, N2O, and AIR cylinders
• Agent vaporizers and key fillers, if not purchased with the AS3000
• Liquid agent medication
•CO
absorbent Pre-Paks or loose fill
2
•Active O2, N2O, and AIR, lines at 50 psi
• Drop down hoses for ceiling mounted medical gas utilities, compatible with quick-
disconnect hoses if not purchased with the AS3000
• Activated medical gases (O
, N2O, AIR, VAC, and EVAC)
2
AS3000™ Service Manual 0070-10-0683 2 - 1
Assembly Installation Guide
1
2
4
5
3
12
11
9810
7
6
2.2 Assembly
NOTE: The AS3000 Breathing System Block is matched to the
AS3000 it is attached to by calibration and installation.
After removing the Breathing System Block from the
Mounting Arm of the AS3000, assure that the Breathing
System Block is returned to the same AS3000 that it came
from originally.
2.2.1 Unpacking
1. Inspect the two boxes for any damage, check the tip watches, and report any damage
or sign of tipping to the dispatcher.
2. Ensure the serial numbers on both carton labels match prior to assembling the system.
3. Remove the shipping straps and caps from the 2 boxes.
4. Remove the foam from inside the top of the box.
5. Remove the Corrugated box from around AS3000.
6. Remove the bag and shrink wrap from around AS3000.
7. Remove the foam from AS3000 casters.
2.2.2 Breathing System and Breathing System Accessories
FIGURE 2-1 The AS3000 and accessories
1. AGSS 2. Breathing System
3. User Interface Mounting Arm 4. User Interface
5. Patient Monitor Mounting Arm 6. O
Cable
2
7. Pneumatic Hose Assembly 8. Heater Cable
9. Drive Gas 10. Breathing System Mounting Arm
11. AGSS Transfer Hose 12. CGO Port
2 - 2 0070-10-0683 AS3000™ Service Manual
Installation Guide Assembly
2.2.2.1 Attaching the Mounting Arms and User Interface
(see FIGURE 2-1)
1. Remove the mounting arms from small box and install them onto the AS3000 using a 3
mm allen wrench.
2. Remove the keys from the parts box, and unlock the AS3000 drawers and put parts
box into top drawer.
3. Remove the AGSS and Breathing System mount from the foam packaging, and install
them onto the AS3000.
4. Remove the User Interface and slide it onto the User Interface mounting arm.
5. Apply Loctite 243 to the User Interface cable jackscrews and jackposts. Then, connect
the User Interface cable to the User Interface. Ensure the jackscrews are securely
tightened.
2.2.2.2 Breathing System Connections
(see FIGURE 2-1)
1. Remove the foam and bag from around the Breathing System.
2. Ensure that the serial number tag attached to the bag arm matches the serial number
found on the package carton.
3. Install the Breathing System onto the arm on the left side of the AS3000 by attaching it
to the installed bracket.
4. Attach the Drive Gas Hose to the bottom port of the Breathing System
5. Attach the Heater cable into the port located on the bottom of the Breathing System
6. Install the O
7. Attach the O2 cell to the O2 cable and insert the cell into its designated port on the
Breathing System.
8. Attach the Pneumatic Hose Assembly to the designated port on the rear of the Breathing
System.
9. Attach the AGSS Transfer Hose to its designated port on the bottom of the Breathing
System.
Cell to the O2 Interface
2
2.2.2.3 Anesthesia System Connections
(see FIGURE 2-1)
1. Attach the Fresh Gas Hose of the Breathing System to the CGO port on the system.
AS3000™ Service Manual 0070-10-0683 2 - 3
Assembly Installation Guide
2. Attach the Drive Gas Hose to the designated port on the Breathing System Interface.
3. Attach the Heater Cable to the designated port on the Breathing System Interface.
4. Attach the O
5. Attach the Pneumatic Hose Assembly to the designated connector labeled Breathing
System Pneumatics.
6. Attach the AGSS Transfer Hose.
Cable to the designated port on the Breathing System Interface.
2
2.2.3 Tank Wrench and Pre-operation Checklist
1. Mount the tank wrench on the rear of the AS3000 so that it can be used to open or
close each cylinder, without disconnecting it from the machine.
2. Attach the pre-operation checklist to a location on the AS3000 where the operator can
access it.
2.2.4 Patient Suction Regulator and Arm
1. Remove the Patient Suction Regulator and mounting arm from its packaging.
2. Attach the mounting arm to the customers desired channel. It mounts to either side
channel.
3. Tighten the locking screw.
4. Thread the patient suction regulator into its mating port on the mounting arm.
5. Attach a barbed fitting adapter to the suction regulator's VAC fitting as necessary to
attach a hospital grade suction hose from the regulator output to the suction canister.
2.2.5 Suction Canister Bracket
1. Remove the suction canister bracket from its packaging.
2. Attach the bracket to the right lower rail and secure.
2.2.6 Utility Tray, Monitor Mounting Arm with Utility Hook(s)
1. Remove the items from their packing material.
2. Slide the utility tray into the desired channel.
3. Tighten the locking screw.
4. Remove the plastic cap from under the mounting arm's swivel head.
5. Mount the utility hook(s) under the swivel head of the arm using the screws and tool
provided with the hook.
6. Slide the mounting arm into the desired channel. Allow enough room for mounting
monitors at the desired height.
7. Tighten the locking screw.
2.2.7 Vaporizers
1. Prior to mounting, set the vaporizer to the T position. (Does not apply for all vaporizers.)
2 - 4 0070-10-0683 AS3000™ Service Manual
Installation Guide Assembly
2. Discard the washers that came with the vaporizer. Use only approved O-rings that come
mounted on the vaporizer mounting ports of the AS3000.
3. Mount a mechanical vaporizer to either side of the AS3000 vaporizer mount by
placing the vaporizer on the ports and locking down the lever.
4. Mount an electronic vaporizer in the same manner. Follow any installation instructions
that come with the specific vaporizer.
2.2.8 High Pressure Hoses
1. Remove the hoses from their packing material.
2. Attach each hose to its mating connector by hand. Do not use any tools.
3. Use extreme care while attaching the EVAC hose to the waste gas scavenger (WGS); as
it is extremely delicate.
4. Attach an EVAC hose to a VAC source connection only if an EVAC source connection is
not available.
2.2.9 Emergency Cylinder(s)
1. Remove the cover from a new O2, N2O, and AIR cylinder.
2. Mount one at a time onto the rear of the anesthesia machine.
3. Discard the cylinder's tank washer. Always use the approved tank washer provided with
the AS3000.
4. Open the bail of each yoke and mount the cylinder over the tank washer.
5. Ensure the O
yoke. Close the yoke bail and use the hand-screw to tighten the cylinder to the yoke
O
2
port.
6. Open and close the cylinder valve and observe that the cylinder gauge on the
anesthesia machine rises to the colored range.
7. Ensure that the N2O cylinder mates to the N2O PISS connection on the N2O yoke.
Close the yoke bail and use the hand-screw to tighten the cylinder to the yoke port.
8. Open and close the cylinder valve and observe that the cylinder gauge on the
anesthesia machine rises to the colored range.
9. Ensure that the AIR cylinder mates to the AIR PISS connection on the AIR yoke. Close the
yoke bail and use the hand-screw to tighten the cylinder to the yoke port.
10. Open and close the cylinder valve and observe the cylinder gauge on the anesthesia
machine rise to the colored range.
cylinder mates to the O2 Pin Index Safety System (PISS) connection on the
2
2.2.10 Breathing Circuit, CO2 Absorbent, and Liquid Vaporizer Agent
1. Attach a breathing circuit to the inspiratory and expiratory ports as detailed in the
directions for use. Attach the breathing bag and any other respiratory accessories as
described.
2. Insert the Pre-Paks one on top of the other with the wider side facing up on both Pre-
Paks. (alternatively the absorber canisters may be filled with loose fill absorbent.)
3. Install the absorber canister with a quarter turn of the lever at the bottom the absorber
assembly, this ensures a tight seal.
AS3000™ Service Manual 0070-10-0683 2 - 5
Assembly Installation Guide
2.2.11 Monitoring Products - Mounting and Electrical Connection
1. Any monitoring system compatible with the GCX mounting system's swivel head may be
mounted to the AS3000’s arm.
NOTE: Use of other monitors and mounting hardware is the
responsibility of the installer.
2. Always make full use of all mounting fasteners and strap capturing devices when
mounting monitors to the AS3000.
3. After mounting a monitor to the AS3000, connect it to one of the AC outlets located on
the rear of the AS3000.
a. Turn on each monitor one at a time and ensure that the circuit breaker holds without
tripping.
b. Dress each line cord neatly along the side of the anesthesia machine so that it can
not be easily pulled or extend far from the main chassis.
2.2.12 Agent Monitor Waste Gas Scavenging
1. Respiratory gas monitoring products have an exhaust port from which waste gas expels.
The exhaust port on the gas monitor must be connected to the open barbed fitting on the
waste gas scavenger.
2. Ensure that a tight connecting fitting is attached to the rear of the gas monitor. Ensure
that the other end of the same tube has a tight fitting connection attached to the waste
gas scavenger’s (WGS) barbed fitting.
3. Dress the exhaust tubing neatly along the side of the anesthesia machine so that it can
not be easily pulled or extend far from the main chassis.
2.2.13 Oxygen Sensor Calibration
NOTE: See ‘‘Periodic Maintenance Schedule of Service Activities’’
on page 6-2 for when to calibrate the oxygen sensor.
1. Preparing the unit
a. Allow the breathing system to warm up and reach thermal equilibrium
(approximately 30-60 minutes).
b. In Standby mode, press the MENU button. The menu screen will appear.
c. Select Service, then input the password 2010 to enter the Service screen.
d. Select Calibration to enter the Calibration screen.
e. Select Oxygen Sensor to enter the Oxygen Sensor Calibration screen.
2. Calibration
NOTE: Do not shake the O2 sensor during calibration.
NOTE: During calibration, keep the O
connector side up, and bottom side exposed to room air;
keep the O
temperature difference from within the heated block.
sensor near the heated block to minimize the
2
sensor in a vertical position,
2
2 - 6 0070-10-0683 AS3000™ Service Manual
Installation Guide Assembly
NOTE: If the system is going to be used during the calibration,
insert the O
sensor was removed using a push and turn motion.
cell plug into the port from which the oxygen
2
a. Select 21% to enter the 21% oxygen concentration calibration screen.
b. Remove the oxygen sensor from the Breathing System and expose it to room air for
at least 3 minutes.
c. Flush the O2 sensor with air from the auxiliary output for 5-10 seconds to ensure that
bubbles are trapped in the sensor.
no O
2
d. Select Next to start 21% oxygen concentration calibration.
NOTE: The O2 sensor voltage is displayed during the calibration.
This is the amplified O
the oxygen sensor. The O
for UI versions 2.24 and lower.
cell voltage at the A/D converter for
2
sensor voltage is not displayed
2
e. When calibration is successfully completed, install the oxygen sensor into the
Breathing System.
NOTE: The oxygen sensor must be installed in the Breathing
System for 10 minutes prior to 100% oxygen concentration
calibration to adjust to the temperature of the system.
f. Press the O2 Flush button for 5-10 seconds to clear out any non-O2 gases from the
system.
g. Expose the oxygen sensor to 100% pure oxygen (5 L/min) for at least 3 minutes.
h. Select 100% to enter the 100% oxygen concentration calibration screen.
i. Select Next to start 100% oxygen concentration calibration.
AS3000™ Service Manual 0070-10-0683 2 - 7
Installation Checkout Procedure Installation Guide
2.3 Installation Checkout Procedure
Complete each step to verify the functionality of the AS3000 prior to clinical use.
Also, perform this checkout after installation, reinstallation, servicing or after any periodic
maintenance activity. This checklist does not replace periodic maintenance actions that must
be performed to maintain peak performance.
1. Verify that all components are present, and inspect for physical damage.
a. Ensure that the Operating Instructions is present.
b. Verify unit is free from cosmetic defects. Plastics, labeling and display window are
free from inclusions, pitting, bulges, sink marks, nicks, scratches, gouges dents,
discolorations, etc. Verify all major hardware is fastened properly.
c. Verify that there are Tank Washers for each of the external cylinder yokes.
d. Verify that each vaporizer's locking spring is intact on the manifold by looking
through the opening and checking for the visible wire spring.
e. Verify that each connector of the vaporizer mount has an O-ring.
f. Verify that breathing circuit consumables and CO
g. Inspect the O
h. Turn the flow control knobs for O2, AIR and N2O and verify that the floats rise and
spin as the flow is increased and fall freely as the flow is decreased.
i. inspect the AC line cord for fraying and damages.
, N2O, AIR, VAC, and EVAC supply hoses for damages.
2
absorbent are present.
2
2. Verify that the laminated Preoperative Checkout card is attached.
3. Verify that the tank wrench is attached.
4. Verify that the waste scavenger flow rate is set and that the hose is
intact, connected and dry.
a. Attach the waste gas hose from the waste gas port on the Breathing System to one of
the waste gas ports on the AGSS.
b. Attach the EVAC hose from the waste gas assembly DISS (Diameter Index Safety
System) fitting to a source of vacuum.
c. Adjust the position of the float to be between the Min and Max lines by turning its
flow adjustment knob (counterclockwise increases flow, clockwise decreases flow).
2 - 8 0070-10-0683 AS3000™ Service Manual
Installation Guide Installation Checkout Procedure
5. Check N2O, O2 and AIR Lines for leaks.
a. Remove the cylinders from the AS3000.
b. Connect the O
NOTE: If a specific gas source is not available, skip the
corresponding leak test.
, AIR and N2O hoses to the gas line inlets.
2
c. Veri f y O2, AIR and N2O Line Pressure gauges read the corresponding line pressure.
d. Set the AIR flow controller to minimum.
e. Pinch to occlude the O2, AIR and N2O hoses.
f. Disconnect each hose from its line pressure source.
g. Verify that the pressures do not drop more than 2 psi over a time period of 20
seconds.
6. Verify that all available line and cylinder gauges are operational.
a. Connect the O
supply hose and remove the AIR and N2O hoses.
2
b. Verify the O2 Line Pressure gauge shows the reading of the line pressure.
c. Connect the AIR supply hose and remove the O
and N2O hoses.
2
d. Verify that the AIR Line Pressure gauges show the reading of the line pressure.
e. Connect the O2 and N2O hoses and remove the AIR hose.
f. Verify that the N
O and O2 Line Pressure gauge shows the reading of the line
2
pressure.
g. Attach the cylinders to the AS3000's yokes (O2 and N2O or AIR). In the case
where multiple cylinders of the same gas are required, attach one at a time.
h. Open all attached cylinders including the O2 cylinder. If a cylinders pressure is less
than 500 psi, replace the respective cylinder.
i. Verify that the cylinder pressure gauges register a pressure for each type of gas
attached.
7. Test O
a. Connect the O
Flush operation with only O2 connected.
2
supply hose and remove the AIR and N2O hoses.
2
b. Attach a calibrated flow meter to the Common Gas Outlet.
c. Push the O2 Flush button and verify a reading between 35 L/min and 50 L/min at
the flow meter.
NOTE: O2 flow may be greater than 50 L/min at higher altitudes.
d. Reconnect the O2, AIR and N2O hoses.
8. Test the O2:N2O ratio system (applicable to -01 units only).
a. Set all flow control knobs to minimum.
b. Increase the flow of N
c. Verify that the N
O until the O2 reaches 1 L/min
2
O flow is not higher than 3.7 L/min.
2
d. Return flow control knobs to minimum.
AS3000™ Service Manual 0070-10-0683 2 - 9
Installation Checkout Procedure Installation Guide
9. Test the O2:N2O ratio system (applicable to -02 units only).
a. Set all flow control knobs to minimum.
b. Set the flow of O
c. Open the N
to 1 L/min.
2
O flow knob and verify that the N2O flow will not increase higher than
2
3.7 L/min.
d. Return flow control knobs to minimum.
10. Perform System Test.
a. Power ON the AS3000.
b. Wait until the System Self Test is complete
FIGURE 2-2 Startup Self Test
c. Select Continue to prompt to the Safety Valve test
2 - 10 0070-10-0683 AS3000™ Service Manual
Installation Guide Installation Checkout Procedure
11. Perform Leak/Safety Valve Test
a. Follow the on-screen instructions.
FIGURE 2-3 Leak Test Setup
b. Select Continue to start the test.
FIGURE 2-4 Safety Valve Test Setup
AS3000™ Service Manual 0070-10-0683 2 - 11
Installation Checkout Procedure Installation Guide
FIGURE 2-5 Safety Valve Test in Progress
FIGURE 2-6 Safety Valve Test Passed Message
c. After 3 seconds, the screen will prompt to the Leak Test.
12. Perform Leak Test
2 - 12 0070-10-0683 AS3000™ Service Manual
Installation Guide Installation Checkout Procedure
a. Follow the on-screen instructions.
b. Select Continue to start the test.
FIGURE 2-7 Leak Test Setup
AS3000™ Service Manual 0070-10-0683 2 - 13
Installation Checkout Procedure Installation Guide
FIGURE 2-8 Leak Test in Progress
c. Select Continue to prompt to the Compliance Test.
FIGURE 2-9 Leak Test Results
2 - 14 0070-10-0683 AS3000™ Service Manual
Installation Guide Installation Checkout Procedure
13. Perform Compliance Valve Test
a. Follow the on-screen instructions.
b. Select Continue to start the test.
FIGURE 2-10 Compliance Test Setup
FIGURE 2-11 Compliance Test in Progress
AS3000™ Service Manual 0070-10-0683 2 - 15
Installation Checkout Procedure Installation Guide
c. Select Continue to prompt to the Normal Screen.
FIGURE 2-12 Compliance Test Results
14. Manual Leak Test
NOTE: The Manual Leak Test detects smaller leaks than can be
detected in the Automatic Leak Test.
a. Ensure that the gas pressure for O2, N2O, and AIR are at 50 ±10 psi.
b. Power ON the AS3000.
c. Attach a reusable-silicone-rubber breathing circuit to the Breathing System.
NOTE: For testing purposes always use a reusable breathing
circuit.
d. Tightly connect the Y-fitting on the breathing circuit to the test port.
e. Attach a breathing bag to the bag arm.
f. Set the APL Valve to the fully closed position (70 cmH
g. Rotate the O
Flow Control Valve until 50 cmH2O pressure is observed on the
2
2
O).
Airway Pressure Gauge.
h. Verify that the flow required to stabilize the pressure is less than 300 mL/min.
2 - 16 0070-10-0683 AS3000™ Service Manual
Installation Guide Installation Checkout Procedure
15. Oxygen Sensor Calibration
NOTE: Oxygen Sensor Calibration can be performed in all
NOTE: See ‘‘Periodic Maintenance Schedule of Service Activities’’
ventilation modes.
on page 6-2 for when to calibrate the oxygen sensor.
a. Allow the breathing system to warm up and reach thermal equilibrium
(approximately 30-60 minutes).
b. Press the MENU key and then use the Navigator™ Knob to scroll to the
Calibrate menu tab (see FIGURE 2-13). Select the Start Calibration button.
FIGURE 2-13 Calibrate Menu Tab
c. After the Start Calibration button has been selected, the screen shown in
FIGURE 2-14 or FIGURE 2-16will be displayed, instructing the user to remove the
oxygen sensor from the Breathing System and expose it to room air for at least 3
minutes before proceeding. The O
calibration. This is the amplified O
sensor voltage is displayed during the
2
cell voltage at the A/D converter for the oxygen
2
sensor.
NOTE: The O2 sensor voltage is not displayed for UI versions 2.24
and lower.
d. Flush the O2 sensor with air from the auxiliary output for 5-10 seconds to ensure that
bubbles are trapped in the sensor.
no O
2
NOTE: Do not shake the O2 sensor during calibration.
NOTE: Keep the O
during calibration.
NOTE: Place the O
calibration to minimize the temperature difference from
within the heated block.
AS3000™ Service Manual 0070-10-0683 2 - 17
sensor in a vertical position, connector side up,
2
sensor on top of the heated block during
2
Installation Checkout Procedure Installation Guide
NOTE: If the system is going to be used during the calibration,
insert the O
sensor was removed using a push and turn motion.
cell plug into the port from which the oxygen
2
e. After at least 3 minutes have passed, select the Next button to initiate the
calibration process. The progress bar shown in FIGURE 2-15 or FIGURE 2-17will be
displayed.
FIGURE 2-14 Oxygen Sensor
Calibration Instructions
FIGURE 2-16 Oxygen Sensor
Calibration Instructions (UI
versions 2.24 and lower)
FIGURE 2-15 Oxygen Sensor Calibration
Progress Bar
FIGURE 2-17 Oxygen Sensor Calibration
Progress Bar (UI versions
2.24 and lower)
2 - 18 0070-10-0683 AS3000™ Service Manual
Installation Guide Installation Checkout Procedure
16. Proceed based on one of the following two conditions:
• If the calibration is successful, the screen shown in FIGURE 2-18 will be
displayed, instructing the user to reinstall the oxygen sensor into the Breathing System.
Select the Done button to complete the process.
• If the calibration fails, the screen shown in FIGURE 2-19 will be displayed,
instructing the user to either repeat the calibration (by selecting the Repeat Cal
button) or to replace the oxygen sensor. If the oxygen sensor must be replaced, select
the Exit button, replace the oxygen sensor using a push and turn motion, and then
repeat the calibration.
FIGURE 2-18 Oxygen Sensor
Calibration Successful
FIGURE 2-19 Oxygen Sensor
Calibration Failed
17. Verify that the APNEA alarm activates in Manual mode
a. Press the MANUAL/AUTO key.
b. After 60 seconds, verify that:
• an alarm tone sounds
• the alarm message APNEA is displayed in red text
18. Verify that CMV ADULT ventilator mode operates and that the tidal
volume display reads within 15% of the CMV set value.
a. Attach a breathing circuit and breathing bag.
NOTE: For testing purposes always use a reusable breathing
circuit.
b. Attach an adult test lung to the Y-fitting of the breathing circuit.
c. Attach a Vent Tester between the EXP port and the expiratory hose.
d. Set the O
flow to 2 L/min and set the N2O and AIR flow rates to minimum flow.
2
AS3000™ Service Manual 0070-10-0683 2 - 19
Installation Checkout Procedure Installation Guide
e. Set the ventilator controls to:
VENTILATOR CONTROLS VENTILATOR SETTINGS
Patient Type Adult
Ventilation Mode CMV
Tidal Volume - V
Breath Rate - freq 8
I:E Ratio - I:E 1:2
Plateau - T
PEEP - PEEP Off
T
P
600
10
f. Select CMV again to begin ventilation.
g. Verify that the pressure waveform, Tidal Volume, Mean or Plateau Pressure, Resp.
rate and minute volume values appear on the screen.
h. Verify the Tidal Volume display is within 15% of the delivered volume measured with
the Vent Tester within approximately 1 minute from the start of ventilation.
i. Verify the delivered volume at the Vent Tester is within 15% of the Tidal Volume set
value within approximately 1 minute from the start of ventilation.
j. Verify the measured O
concentration is at least 97% after 5 minutes.
2
k. Set the AIR flow to 3 L/min and set the N2O and O2 flow rates to minimum flow.
l. Verify the measured O2 concentration is 21% ±3% vol. % after 5 minutes.
19. Verify that CMV CHILD ventilator mode operates and that the tidal
volume display reads within 10% of the CMV set value.
a. Attach a breathing circuit and breathing bag.
NOTE: For testing purposes always use a reusable breathing
circuit.
b. Attach an adult test lung to the Y-fitting of the breathing circuit.
NOTE: Limit the volume in the test lung to provide sufficient airway
pressure to satisfy the Low Peak Pressure alarm. Or reduce
the Peak Pressure alarm limit to a lower valve to prevent
the alarm when using an adult test lung.
2 - 20 0070-10-0683 AS3000™ Service Manual
Installation Guide Installation Checkout Procedure
c. Attach a Vent Tester between the EXP port and the expiratory hose.
d. Set the O
flow to 2 L/min and set the N2O and AIR flow rates to minimum flow.
2
e. Set the ventilator controls to:
VENTILATOR CONTROLS VENTILATOR SETTINGS
Patient Type Child
Ventilation Mode CMV
Tidal Volume - V
Breath Rate - freq 20
I:E Ratio - I:E 1:2
Plateau - T
PEEP - PEEP Off
T
P
120
10
f. Select CMV to begin ventilation.
g. Verify that the pressure waveform, Tidal Volume, Mean or Plateau Pressure, Resp.
rate and minute volume values appear on the screen.
h. Verify the Tidal Volume display is within 25 ml or ±15% of the delivered volume
(whichever is greater) measured within approximately 1 minute from the start of
ventilation.
i. Verify the delivered volume as measured by a Vent Tester at the expiratory port, is
within 17% of the Tidal Volume set value within approximately 1 minute from the
start of ventilation.
j. Verify that the PEEP reading is 4 ±2 within approximately 1 minute from the start of
ventilation.
20. Verify that the PCV ADULT ventilator mode operates.
a. Attach a breathing circuit and breathing bag.
NOTE: For testing purposes always use a reusable breathing
circuit.
b. Attach an adult test lung to the Y-fitting of the breathing circuit.
c. Attach a Vent Tester between the EXP port and the expiratory hose.
d. Set the O
flow to 3 L/min and set the N2O and AIR flow rates to minimum flow.
2
AS3000™ Service Manual 0070-10-0683 2 - 21
Installation Checkout Procedure Installation Guide
e. Set the ventilator controls to:
VENTILATOR CONTROLS VENTILATOR SETTINGS
Patient Type Adult
Ventilation Mode PCV
Target Pressure - P
Breath Rate - freq 8
I:E Ratio - I:E 1:2
PEEP - PEEP Off
Inspiratory Slope - T
TARGET
slope
20
0.5
f. Select PCV to begin ventilation.
g. Verify the Peak Pressure reading of the display is ±20%, at least 2 cmH
O of the
2
Peak Pressure measured with the Vent Tester.
h. Verify that the pressure waveform, Tidal Volume, Resp. Rate and minute volume
values appear on the screen.
i. Verify that the PEAK Value reaches 20 ±4 cmH2O within five breaths from the start
of ventilation.
21. Verify that the Low Airway Pressure alarm activates.
a. While the ventilator is running disconnect the Inspiratory hose.
b. Verify that the “Low Airway Pressure” and the “APNEA” message appear on the
screen.
c. Reconnect the hose to the Inspiratory port and verify that the alarm is cleared.
22. Verify that the O2 concentration alarm signals activate.
a. While the ventilator is running, press the ALARM LIMITS key.
b. Set the O
Minimum Alarm Limit to a value higher than the current O2 reading.
2
c. Verify that the FiO2 alarm activates indicated by an audio tone is present and that
the alarm message “Low FiO
” appears on the screen within three ventilation cycles.
2
d. Set the O2 Minimum Alarm Limit back to a value lower than the current O2 reading.
e. Verify that the FiO
alarm resets.
2
2 - 22 0070-10-0683 AS3000™ Service Manual
Installation Guide Installation Checkout Procedure
23. Verify that the drive gas pressure loss alarm signals activate and N2O
stops and AIR continues to flow.
a. Set the O2 flow for 1 L/min.
b. Set the N
O flow to 1 L/min.
2
c. Set the AIR flow to 1 L/min.
d. Disconnect the O2 line supply to the AS3000, and Close the O2 cylinder.
e. Verify that the flow of N2O stops when O2 is lost.
f. Verify that AIR continues to flow.
g. Ver i fy the “ O
Supply Failure” message appears on screen, a steady audio tone
2
should sound.
h. Reconnect O2 line pressure source to the AS3000.
i. Verify that the alarms are reset.
j. Ver i fy N
O flow has resumed once O2 pressure returns.
2
24. Verify that the battery operation and charging icons appears.
a. Set the vent mode to Standby.
b. Disconnect AC line cord.
c. Verify that the battery icon appears on the screen and indicates the charge level of
the battery.
d. Verify that the line cord icon is flashing.
e. Verify that the flow meter backlight is illuminated during battery operation.
f. When the battery icon is in a not full state, reconnect the AC line cord.
g. Verify that the battery charge icon appears on the screen.
h. Verify that the flow meter backlight is illuminated during AC voltage operation.
25. Verify operation of the work light.
a. Turn on the work light located on the bottom side of the top panel.
b. Verify that it lights in both on positions.
26. Verify that the Auxiliary O
and AIR Flowmeters operates.
2
a. Verify an AIR flow of 15 L/min can be obtained by connecting the auxiliary AIR hose
to the pressure source and opening the flow meter.
b. Ve rif y a n O
flow of 15 L/min can be obtained by connecting the auxiliary O2 hose
2
to the pressure source and opening the flow meter.
27. Verify that the Suction Regulator operates in LINE and REGULATE
positions.
a. Set the suction regulator's selection dial to LINE.
b. Verify maximum suction vacuum on the regulator's gauge.
c. Set the suction regulator's selection dial to REGULATE.
d. Verify the suction vacuum is adjustable on the regulator's gauge.
e. Set the suction regulator's selection dial to OFF.
AS3000™ Service Manual 0070-10-0683 2 - 23
Installation Checkout Procedure Installation Guide
28. Verify that the Breathing System heats to body temperature.
a. Operate the AS3000 on AC operation for approximately 40 minutes.
b. Verify the Breathing System has heated up to body temperature
29. Complete electrical safety inspection.
NOTE: Perform the electrical safety inspection as the last step after
completing a repair or after routine maintenance. Perform
this inspection with all covers, panels, and screws installed.
a. Withdraw the Power cable(s) from the convenience receptacles at the rear of the
AS3000.
b. Plug the AS3000 into a Safety Analyzer.
c. Connect the case ground lead of the analyzer to the U-blade ground of one of the
convenience receptacles. Perform the following tests with the case grounded:
• Normal polarity
• Normal polarity with open neutral
d. Perform the following tests with the case ungrounded:
• Normal polarity
• Normal polarity with open neutral
• Reverse polarity
e. Verify that the maximum leakage current does not exceed 300 µA (0.3 mA).
NOTE: Ground Resistance (between the U-blade ground on any
convenience outlet to the U-blade ground on the AC line
cord).
f. Plug the AS3000 into the safety analyzer.
g. Attach the resistance-measuring probe on the analyzer to the AS3000 U-blade
ground on any convenience outlet.
h. Invoke the resistance function on the safety analyzer, following the instructions for the
analyzer.
i. Verify that resistance to ground is less than 0.2 Ohms (200 mOhms).
30. Check the vaporizer interlock.
a. Attach two vaporizers to the Vaporizer Mounting Manifold and lock them in place.
b. Rotate either of the vaporizer’s dial to 3% agent.
c. Verify that the other vaporizer dial cannot be rotated to a setting.
d. Set both vaporizer’s dials to 0.
e. Rotate the other vaporizer dial to 3%.
f. Verify that the first vaporizer dial cannot be rotated.
g. Rotate both vaporizer dials to T and remove both vaporizers.
h. Verify that the locking spring is intact.
i. Reconnect both vaporizers to the Vaporizer Mounting Manifold
2 - 24 0070-10-0683 AS3000™ Service Manual
Installation Guide Installation Checkout Procedure
31. Check each vaporizer's agent concentration output and accuracy.
a. Insert the agent measuring device sampling tube inside the common gas outlet port.
b. Fill the Vaporizer with anesthetic agent.
NOTE: Do not overfill by filling past the indicator line on the
vaporizer.
c. Test the vaporizer accuracy per the Vapor 2000 instructions or see the appropriate
vaporizer manual for testing details.
d. Test each vaporizer in turn.
e. Test any vaporizer on the Vaporizer Storage Mount.
f. Remove the measuring device from the common gas outlet port.
g. Connect the fresh gas tube to the common gas outlet port.
32. Dräger Vapor 2000 Operating Instructions ARRB-F001.
a. Fill Vaporizer - at least half full between minimum and maximum mark.
b. Allow the filled Vapor to warm up to room temperature of 20-24
C. Wait long
enough for the temperature to equalize - the time will vary depending on the
temperature differential 'T'.
• 1 hour = up top 2C
• 3 hours = ±6C
• 4 hours = ±10
C
• 5 hours = ±20C
c. Check anesthetic agent monitor. Perform zero calibration of monitor with the desired
gas (AIR or O2)
d. Connect monitor to fresh gas outlet or Y-fitting. Make sure that all connections are
leak-tight.
e. Connect and start scavenging system.
f. Switch OFF ventilator or set vent pressure to less than 5 cmH
O.
2
g. Set monitor to anesthetic agent being used and to continuous measurement.
h. Set flow between 2.5 and 4 L/min AIR. Use O2 if AIR is not available.
i. Check 0 and T marks, 1 vol.% 4 vol % and at least three other concentrations.
j. Adjust control dial on the vaporizer.
k. Read concentration after it has reached steady state.
l. Correct measured values for the effect of carrier gas used. If AIR no correction
required. If O
use following correction factor:
2
• Measured value vol.% = <1.0, correction = -0.05 vol.%
• Measured value vol.% = 1.0 - 2.0, correction = -0.1 vol.%
• Measured value vol.% = 2.5 - 4.0, correction = -0.2 vol.%
• Measured value vol.% = 5.0 - 8.0, correction = -0.3 vol.%
m. If the value displayed on the monitor is in % partial pressure, no correction is
required. If in vol.% convert to partial pressure:
• Concentration [% partial pressure] = measured value [vol.%] x atmospheric
pressure [cmH
O] / 1013 cmH2O
2
AS3000™ Service Manual 0070-10-0683 2 - 25
Installation Checkout Procedure Installation Guide
n. For setting 0 and T there should be no output of anesthetic agent.
• At 1 vol.%; 0.8 - 1.2 vol.% *
• At 2 vol.%; 1.8 - 2.2 vol.% *
• At 3 vol.%; 2.8 - 3.2 vol.% *
• At 4 vol.%; 3.8 - 4.2 vol.% *
• At 5 vol.%; 4.8 - 5.2 vol.% *
• At 6 vol.%; 5.7 - 6.3 vol.% *
• At 7 vol.%; 6.7 - 7.3 vol.% *
• At 8 vol.%; 7.7 - 8.3 vol.% *
* = Correct for temperature and carrier gas if necessary.
o. Switch off the vaporizer until 0 engages.
p. Switch off the AIR or O
flow.
2
2 - 26 0070-10-0683 AS3000™ Service Manual
3.0
Repair Information
3.1 Introduction
This chapter of the Service Manual provides the necessary technical information to perform
repairs to the system. The most important prerequisites for effective troubleshooting are a
thorough understanding of the system’s functions, as well as understanding its principles of
operation.
AS3000™ Service Manual 0070-10-0683 3 - 1
Warnings and Cautions Repair Information
3.2 Warnings and Cautions
In the event the instrument covers are removed, observe the following warnings and cautions:
3.2.1 Warnings
WARNING: Whenever using anesthetic gases, nitrous oxide, oxygen, or
any hospital gas always follow the appropriate agent
evacuation/collection procedures. Use the hospital gas
evacuation system.
3.2.2 Cautions
CAUTION: This device uses high pressure compressed gas. When
attaching or disconnecting backup gas cylinders, always
turn the cylinder valves slowly. Use the AS3000 flow meters
to bleed down the pressure, watching the cylinder gauge
indicate the depleting cylinder pressure, before
disconnecting the cylinder from the yoke. Always open and
close cylinder valves fully.
CAUTION: This device operates using compressed gas at high
pressures from the hospital central supply. When connecting
gas supply lines attach the hose connection to the machine
before connecting the quick disconnect fitting to the hospital
source. Disconnect the supply hose from the hospital source
connection prior to disconnecting it from the AS3000 gas
connection fittings.
3.3 Troubleshooting Guidelines
1. Identify the problem — Due to the wide variety of potential symptoms, certain
problems may be more subtle than others. Following the guidelines of the tests will help
determine the problem, if one exists.
2. Avoid shorting component leads together — During repair procedures, it can
be tempting to make a quick series of measurements. Always turn the power off before
connecting and disconnecting the test leads and probes. The accidental shorting of
leads can easily stress the components and cause a second failure (aside from the safety
risk).
3. Use the proper equipment — The equipment listed in “Special Tools Required” on
page 3-3, is suggested to fulfill a wide range of troubleshooting requirements. It is
imperative to use the designated equipment in order to ensure proper results of any and
all test procedures.
4. Clean up the repair area — After any repair, clean off the repair area.
3 - 2 0070-10-0683 AS3000™ Service Manual
Repair Information Special Tools Required
3.4 Special Tools Required
PART NUMBER DESCRIPTION SPECIFICATION
1 0070-00-0683 AS3000 Service Manual NA
2 not applicable Vaporizer Instruction Manual NA
3 not applicable Safety Analyzer Dempsey 430 or equivalent
4 not applicable Digital Volt Meter 3 1/2 digit
5 not applicable Agent (and N
6 0138-00-0012 Test Lung, Adult NA
7 not applicable Digital Pressure Meter BC Biomedical DPM-2301751
8 not applicable Central supplied O
9 not applicable Cylinder gases O2, N
10 not applicable Hand tools, Allen wrench set Metric
11 0367-00-0080 Tank Wrench NA
12 0103-00-0508 Y-Fitting 15 mm connection
13 0004-00-0076 Respiration Tube (2 required) 0.6 meter silicone, 15 mm
14 0992-00-0139 Breathing Bag 2.3 L silicone
15 0510-00-0020 Krytox Lubricant NA
16 not applicable Vent Tester Certifier-FA PLUS Respiratory
17 0997-00-0641 AS3000 Calibration hose NA
18 0103-00-0691 AS3000 test plug NA
19 0040-00-0448 Plug Kit NA
20 0453-00-1216 Regulator Calibration Hose NA
O) Analyzer ±0.3 V/V% + 5% of reading
2
NMC Digital Pressure Meter
, N2O, AIR Minimum of 35 psi, DISS
2
O, AIR Full PISS yoke connections.
2
connections.
Vent.Tester 4080
AS3000™ Service Manual 0070-10-0683 3 - 3
3 - 4 0070-10-0683 AS3000™ Service Manual
Troubleshooting Chart Repair Information
3.5 Troubleshooting Chart
The following table shows common symptoms and corrective actions for problems when troubleshooting the AS3000. The information given
indicates failures during startup and runtime.
3.5.1 Common Symptoms and Corrective Actions for Field Service Technicians
MESSAGE/ISSUE OCCURRENCE CAUSE SOLUTION
“BDU Communication . . .
FAI L”
“Software Version . . . FAIL” Startup test 1 Software versions of GUI, BDU and
“BDU EEPROM Data . . .
FAI L”
“EEPROM IC . . . FAIL” Startup test 1 The BDU control board is defective or its
“BDU WDT . . . FAIL” Startup test 1 The Watch Dog Timer in the digital signal
“AD/DA . . . FAIL” Startup test 1 The AD or 4052 in the digital signal
Startup test 1 The power supply switch is turned to ON,
immediately after turned to OFF, which
makes the time too short for the BDU control
board power to reboot.
2 The data wire is disconnected or damaged.
3 The BDU control board is defective.
Keyboard are incompatible.
2 The power supply switch was turned ON,
and OFF quickly.
3 The data wire is disconnected or damaged.
4 The BDU control board is defective.
5 The keyboard board is defective.
Startup test 1 Data stored in EEPROM on BDU control
board is lost (checksum error)
2 The BDU is defective
EEPROM is damaged.
processor on the BDU control board is
damaged.
processor on BDU control board is
damaged.
1 Turn the power supply switch to OFF and
power on again after waiting for a while (1 - 2
seconds).
2 Check whether the data wire (signal wire at
backside of display) is disconnected or is
damaged.
3 Replace the BDU control board and perform
each item of calibration and startup test again.
1 Update software version.
2 Turn the power supply switch to OFF, wait 1 -2
seconds, then power on again.
3 Check whether the data wire (signal wire at
backside of display) is disconnected or is
damaged.
4 Replace the BDU control board and perform
each item of calibration and startup test again.
5 Replace the user interface assembly.
1 Startup. Then perform each item of the
calibration and startup test again.
2 Replace the BDU board
1 Check that the EEPROM (BDU U12) is
connected correctly, or Replace the EEPROM
and BDU control board, and perform each
item of the calibration and startup test again.
1 Replace the BDU control board, and perform
each item of calibration and startup test again.
1 Replace the BDU control board, and perform
each item of the calibration and startup test
again.
AS3000™ Service Manual 0070-10-0683 3 - 5
MESSAGE/ISSUE OCCURRENCE CAUSE SOLUTION
“Vent/Manual Valve Failure” Startup test 1 The wire that connects to the vent/manual
valve is disconnected or is damaged.
1 Check whether the connection wire of the
vent/manual valve is disconnected or is
damaged.
2 The vent/manual solenoid valve is
2 Replace the vent/manual solenoid valve.
damaged.
3 The amplifier board or connection cable
defective.
3 Check the connection cable and replace the
amplifier board. Then perform each item of the
calibration and startup tests again.
“Expiration Sensor Failure” Startup test 1 Fresh gas flow is present at startup.
1 Turn off all fresh gas flow and reboot the unit.
Repair Information Troubleshooting Chart
2 The sensor board is defective.
“Keyboard Communication .
. . FAIL”
Startup test 1 The data wire is disconnected or is
damaged.
2 The keyboard board is defective.
“Pressure Sensor . . . FAIL” Startup test 1 The connection wire of the PAW board is
disconnected or is damaged.
2 The connection of the PAW board or sensor
board is defective.
3 The tubing kinked or occluded.
Sensor . . . FAIL” Startup test 1 The O2 concentration is below 16%.
“O
2
2 The oxygen sensor is out of range.
3 The main unit-oxygen sensor cable is
disconnected or damaged.
4 The amplifier board is defective.
“PEEP Valve . . . FAIL” Startup test 1 The connection wire of the PEEP valve is
disconnected or damaged.
2 The PEEP valve is defective.
3 The Amplifier board is defective.
“Inspiration Valve . . . FAIL” Startup test 1 The connection wire of the inspiration valve
is disconnected or damaged.
2 The inspiration valve is defective.
3 The amplifier board is defective.
2 Replace the sensor board, and then perform
each item of the calibration and startup test
again.
1 Replace the user interface assembly.
2 Replace the user interface assembly.
1 Check whether the connection wire of the PAW
board is disconnected or damaged.
2 Check the power supply and connection of the
sensor board. Replace the Paw board and
sensor board.
3 Check the tubing for kinks and remove any
occlusions.
1Increase O
concentration.
2
2 Replace the oxygen sensor.
3 Check whether the main unit-oxygen sensor
cable is disconnected or damaged.
4 Replace the amplifier board, and then perform
each item of the calibration and startup test
again.
1 Check whether the PEEP valve is disconnected
or damaged.
2 Replace the PEEP valve.
3 Replace the amplifier board and then perform
each item of the calibration and startup test
again.
1 Check whether the inspiration valve is
disconnected or damaged.
2 Replace the inspiration valve.
3 Replace the amplifier board and then perform
each item of the calibration and startup test
again.
3 - 6 0070-10-0683 AS3000™ Service Manual
Troubleshooting Chart Repair Information
MESSAGE/ISSUE OCCURRENCE CAUSE SOLUTION
“Inspiration Sensor . . . FAIL”
or
“Inspiration Sensor . . . FAIL
Try re-starting the system with
all gas flows OFF” (UI
version 2.25 and higher)
Startup test 1 Fresh gas is flowing during the startup
procedure.
2 The tubing kinked or occluded.
3 The sensor board is defective.
1 Verify that no fresh gas is flowing during the
startup procedure.
2 Check the tubing for kinks and remove any
occlusions.
3 Replace the sensor board and then perform
each item of the calibration and startup test
again.
Supply . . . FAIL” Startup test
“O
2
Runtime
1 The gas source is not connected.
2 The gas supply pressure switch or its cable
is damaged.
3 The amplifier board is defective.
1Check gas source.
2 Check and replace the switch or cable of the
gas source.
3 Replace the amplifier board, and then perform
each item of the calibration and startup test
again.
“AC Power Failure” Startup test
Runtime
“Low Battery” Runtime 1 Battery capacity is low.
“Alarm Speaker . . . FAIL” Startup test 1 The connection wire to the speaker is
“Software Mismatch”
Startup test 1 Power is recycled to the unit too quickly, not
or
1 AC power is not connected.
2 A fuse is tripped
2 The battery is defective.
3 The connection wire or power board is
defective.
disconnected or damaged.
2 The speaker is damaged.
3 The keyboard board is defective.
allowing the memory to fully clear.
1 Check the connection of AC power.
2 Replace the fuse.
1 Charge the battery by connecting AC power.
2 Replace the battery.
3 Check the connection wire or replace the
power board.
1 Check whether the connection wire of the
speaker is disconnected or damaged.
2 Replace the user interface assembly.
3 Replace the user interface assembly.
1 Shut down the unit and wait until the backlight
is fully extinguished before restoring power.
“Software Mismatch or
Failure to Shut Down
Completely” (UI version 2.25
and higher)
Charging state is always
displayed.
During startup leak test, the
bellows moves when it
Runtime 1 Battery capacity is low.
2 The connection wire to the battery is
disconnected or damaged.
3 The battery is defective.
1 Charge the battery by connecting AC power.
2 Check whether the connection wire to the
battery is disconnected or damaged.
3 Replace the battery.
Startup test 1 A solenoid failure or wiring error. 1 Correct the wiring or replace the solenoid
valve.
shouldn’t
In leakage detection, The APL
Valve detection pressure
displayed on the pressure
gauge does not stay within
28 - 32 cmH
O.
2
Startup test 1 The Breathing System pneumatic hose leaks
gas when in manual mode.
2 Pressure gauge failure.
3 The APL Valve is out of spec
1 Replace the Breathing System pneumatic hose
2 Replace the pressure gauge
3 Replace the APL Valve
AS3000™ Service Manual 0070-10-0683 3 - 7
MESSAGE/ISSUE OCCURRENCE CAUSE SOLUTION
In leakage detection, Safety
valve detection failed.
In leakage detection, the
leakage volume is 501 999mL.
In leakage detection, the
leakage volume is larger than
1L.
In compliance test,
compliance test failed.
The power supply switch on
the main unit is defective.
All or some keys are non
responsive.
The encoder is non
responsive.
All or some of the work lights
are defective.
The switch on the work light
is defective.
The flow meter light is non
operational.
Startup test 1 The proportional valve on the airway
module failed.
2 The safety valve in the airway module
failed.
Startup Test 1 The tubing connection is not tight.
2 Incorrect installation of the absorber
canister.
3 The pressure gauge or oxygen sensor on the
circuit is not installed tightly.
4 There is a leakage in the fresh gas supply.
Startup Test 1 The tubing connection is not tight.
2 Incorrect installation of the absorber
canister.
3 The pressure gauge or oxygen sensor on the
circuit is not installed tightly.
4 There is a leakage in the fresh gas supply.
Startup Test 1 The Y-fitting is not sealed or the Breathing
System has leakage.
2 The respiration tubes are too long.
3 Calibration of the pressure sensor is
inaccurate.
4 The flow meter is set incorrectly
5 The calibration of the flow meter is
inaccurate
All 1 The power supply switch on the main unit or
the cable connection failed.
2 Communication board is defective.
All 1 The keyboard is defective.
2 The communication board is defective.
All 1 The encoder failed.
2 The communication board is defective.
All 1 The work light circuit board is defective.
2 The cable is defective
All 1 The switch on the work light is defective. 1 Replace the work light switch.
All 1 The power supply to the light is defective
2 The foil of light is defective.
3 The inverter is defective.
1 Calibrate the inspiration valve again.
2 Replace the airway module.
1 Check the connection on the tubing.
2 Check the installation of the absorber canister.
3 Check the installation of the pressure gauge or
oxygen sensor on circuit.
4 Check the fresh gas supply for leakage
1 Check the connection on the tubing.
2 Check the installation of the absorber canister.
3 Check the installation of the pressure gauge or
oxygen sensor on circuit.
4 Check the fresh gas supply for leakage
1 Check the connection and leakage of
respiration tubes.
2 The respiration tubes cannot be too long.
3 Calibrate the pressure oxygen again.
4 Set the flow meter to the correct value
5 Recalibrate the flow meter
1 Check the connection cable of the power
supply switch of the main unit, or replace the
power supply switch of main unit.
2 Replace the communication board.
1 Replace the user interface assembly.
2 Replace the user interface assembly.
1 Replace the user interface assembly.
2 Check and replace the user interface assembly.
1 Replace the work light circuit board.
2 Check the connection to the power supply.
1 Replace the power supply to the light.
2 Replace the foil of light.
3 Replace the inverter
Repair Information Troubleshooting Chart
3 - 8 0070-10-0683 AS3000™ Service Manual
Troubleshooting Chart Repair Information
MESSAGE/ISSUE OCCURRENCE CAUSE SOLUTION
Heating of circuit is non
functional.
AC Outlets are non
Runtime 1 Line power is not connected.
2 The circuit cable is defective.
3 Heating control board is defective.
1 Check the line power connection.
2 Replace the cable connection to the circuit.
3 Replace the heating control board.
All 1 A fuse is tripped 1 Replace the fuse
functional
reading is out of
The O
2
tolerance
Runtime 1 The calibration of the oxygen sensor is
inaccurate, or the oxygen sensor is
1 Calibrate the oxygen sensor again, or replace
the oxygen sensor.
defective.
The display screen has a
hotspot or uneven brightness
The display screen is a solid
color
All 1 The display screen is defective.
2 PC104 is defective.
Startup Test
Runtime
1 The GUI program has crashed.
2 The signal cable is disconnected.
3 PC104 is defective.
4 The communication board or power supply
1 Replace the user interface assembly.
2 Replace the user interface assembly.
1 Reboot the system
2 Check the signal cable.
3 Replace the user interface assembly.
4 Replace the user interface assembly.
for the light is defective.
The pressure reading is out of
tolerance
The PEEP reading is out of
tolerance
the tidal volume reading is
out of tolerance
5 The display screen is damaged.
Runtime 1 Calibration of the pressure sensor is out of
spec.
Runtime 1 Calibration of expiration valve (PEEP) is
inaccurate.
2 Calibration of pressure sensor is inaccurate.
Runtime 1 The compliance test after startup is
inaccurate.
2 Calibration of the flow sensor is inaccurate.
3 Calibration of the inspiration valve is
5 Replace the user interface assembly.
1 Calibrate the pressure sensor again.
1 Calibrate the expiration valve (PEEP).
2 Calibrate the pressure sensor.
1 Perform the compliance test after startup again.
2 Calibrate the flow sensor again.
3 Calibrate the inspiration valve again.
inaccurate.
4 Calibration of the pressure sensor is
4 Calibrate the pressure sensor again.
inaccurate.
“System Self Test” Startup Test 1 Self-test during each startup. 1 No action needed.
“NON-FUNCTIONAL Call
Service Representative”
Startup Test 1 A failure has been found (Displayed on the
screen), which leads to the abnormal
1 Handle it according to specific information on
the failure.
operation of anesthesia machine.
After the startup test, only the
MANUAL/AUTO key is
displayed, with the alarm:
(except O
supply fail)
2
After the startup test, there
are Bypass and Continue
keys, but with an alarm
Startup Test 1 A failure has been found (Displayed on the
screen), which leads to the abnormal
operation of anesthesia machine.
Startup Test 1 A failure has been found (Displayed on the
screen), but it does not affect the normal
operation of each ventilation mode.
1 Handle it according to specific information on
the failure.
1 Handle it according to specific information on
the failure.
displayed
AS3000™ Service Manual 0070-10-0683 3 - 9
MESSAGE/ISSUE OCCURRENCE CAUSE SOLUTION
“Ventilator setting is not
possible!”
Runtime 1 A parameter has been set to a limit that can
be set.
1 The parameter set cannot exceed the
adjustable range. If the limit is not reached,
another parameter may be limiting the range
and needs to be adjusted accordingly
“Displayed parameter values
are for the pending mode”
Runtime 1 The AS3000 is in the pre-selection mode,
but it is still working according to the
original operating mode.
1 Set parameters 15 seconds in advance; or
directly confirm and enter ventilation mode; or
press the NORMAL SCREEN button to return
to the original ventilation mode interface; or do
not perform any operation and it will
automatically return to the original ventilation
mode interface after 15 seconds.
“Pressure, Volume and
Apnea Alarms are OFF!”
“Automatic Ventilation not
available!”
Runtime 1 The functional alarm in Manual mode is
disabled.
Startup Test
Runtime
1 A failure has been found (Displayed on the
screen); the AS3000 can work only in
1 Enable the functional alarm in Manual mode.
1 Handle it according to specific information on
the failure.
Standby/Manual mode. This information is
displayed after entering the Main Screen.
“BDU Communication
Failure!”
Sensor failure” Runtime 1 The main unit-oxygen sensor cable is
“O
2
Startup Test
Runtime
1 The communication cable is disconnected.
2 The BDU software has crashed or reset.
1 Check the communication cable.
2 Power on again.
1 Check the unit-oxygen sensor cable.
disconnected.
Supply failure” Runtime 1 The gas source is closed or disconnected. 1 Check the gas source.
“O
2
Continuous Pressure Runtime 1 Airway pressure is too high.
2 The expiration valve (PEEP) is defective.
3 The airway is occluded.
1 Relieve the airway pressure
2 Repair/replace the expiration valve
3 Clear the occlusion
High Airway Pressure Runtime 1 Airway pressure is high. 1 Adjust the upper limit set for the airway
pressure alarm.
Low Airway Pressure Runtime 1 Airway pressure is low. 1 Adjust the lower limit set for the airway
pressure alarm.
Negative Pressure Runtime 1 Airway pressure is continuously negative. 1 Check the airway and fresh gas setting
Low FiO
2
Runtime 1 Oxygen concentration is lower than the
lower limit set for Oxygen Concentration
alarm.
2 Oxygen calibration is inaccurate.
1 Adjust the lower limit set for the Oxygen
Concentration alarm or the actual oxygen
concentration.
2 Calibrate the oxygen concentration sensor
again.
Repair Information Troubleshooting Chart
3 - 10 0070-10-0683 AS3000™ Service Manual
Troubleshooting Chart Repair Information
MESSAGE/ISSUE OCCURRENCE CAUSE SOLUTION
High FiO
2
Runtime 1 Oxygen concentration is higher than the
upper limit set for the Oxygen Concentration
alarm.
2 Oxygen calibration is inaccurate.
1 Adjust the upper limit set for the Oxygen
Concentration alarm or the actual oxygen
concentration.
2 Calibrate the oxygen concentration sensor
again.
APNEA Runtime 1 Breathing hoses are disconnected. 1 Check the breathing hoses.
Low Battery Runtime 1 Battery capacity is low. 1 Connect the unit to AC power.
High Minute Volume Runtime 1 Minute ventilation is higher than the upper
limit set for the Oxygen Concentration
1 Adjust the upper limit set for the Minute
Ventilation alarm.
alarm.
Low Minute Volume Runtime 1 Minute ventilation is lower than the lower
limit set for the Minute Volume alarm.
APNEA Backup Runtime 1 PS mode is not triggered and APNEA
1 Adjust the lower limit set for the Minute Volume
alarm.
1 No action needed.
backup ventilation is given according to the
minimum breathing frequency that has been
set.
High PEEP Runtime 1 The expiration time is too short or expiration
limb is occluded
1 Check the time setting and expiration pipeline.
2 Check the expiration valve (PEEP).
2 The expiration valve (PEEP) is defective.
Keyboard communication
Failure
Startup Test
Runtime
1 The signal wire is disconnected or
damaged.
1 Check the signal wire.
2 Power on again.
2 The keyboard board program crashed.
AC Power Failure All 1 AC power is not connected or a fuse is
1 Connect AC and check the fuses.
tripped.
Cal Due Startup Test
O
2
Runtime
Tidal volume displayed by
Runtime 1 This caused by the compliance and
the AS3000 is smaller than
the value displayed on
1 The oxygen sensor has not been calibrated
for more than 3 days.
compensation of resisting force between the
airway and patient.
1 Calibrate the oxygen sensor.
1 No action needed.
bellow.
Bellows is deflated and at the
bottom of its travel during
runtime, after initial power-up
and Leak Test.
Runtime 1 This is caused by a disconnected breathing
circuit, a removed absorber canister, a
removed O
check valve dome rings, or no fresh gas
sensor or sensor adapter,
2
flow while ventilator is running.
1 Install a breathing circuit and connect the Y-
piece to the Test port. Select CMV mode and
confirm the selection. Immediately push the O
Flush button until the bellows is completely
filled. Return to STANDBY mode and remove Y-
2
piece from Test port.
Repair Information Leak Troubleshooting
PASSLeak Test
Manual
Leak Test
PASS
No Leaks
Detected
FAIL FAIL
Manual
Leak Test
Seal the
scavenger port
and repeat the
test
PASS PASS
Check APL
Valve
FAIL FAIL
Check the
Manual bag
and bag arm
Check the
Exhaust valve
Check the
Bellows Dome
Check the
Proportional
Valve
Check the PEEP
valve
Pinch the CGO
Hose and
repeat the Leak
test
PASS
Remove the
Vaporizers
and repeat the
Leak test
PASS
Check the
vaporizers and
the vaporizer
mount
FAIL FAIL
Check the
Flowmeter
module /
CGO port
Remove
sampling
line
Check and if
necessary
exchange the
breathing hoses
Check
the O2
cell
o-ring
Check
the
Absorber
assembly
Verify the I/E Rings
are tight and not
cracked (do not
over tighten!)
Check the
PAW
gauge and
its o-rings
3.6 Leak Troubleshooting
FIGURE 3-1 Leak Troubleshooting Flow Chart
AS3000™ Service Manual 0070-10-0683 3 - 11
Gas Inlet
Block
N20
AIR
O2
Breathing
System
Ventilator
Pressure
Switch
Pressure
Regulator
Pressure
Regulator
Pressure
Regulator
Ratio•
Controller
N20•
Cuttoff
Flow
Tubes
Cylinder
Cylinder
Cylinder
Inlet Filter
Inlet Filter
Inlet Filter
O2
Flow
Meter
O2
Outlet
AIR•
Flow
Meter
Patient
Vaporizer
O2
Flush
Pressure
Regulator
Proportional
Valve
Solenoid
Valve
Fresh Gas
PEEP
Valve
Exhaust
Valve
APL Valve
AGSS
Electronic
Control
Reversing
Valve
O2 Sensor
Insp. Valve
Absorber
Canister
Exp. Valve
Breathing Bag
OOO
P
P
P
P
P
P
P
Exp. Flow
Sensor
Insp. Flow
Sensor
Fresh Gas
Flow Sensor
V
Bellows
Vaporizer
3 - 12 0070-10-0683 AS3000™ Service Manual
Test P n e um a ti c s Repair Information
3.7 Test Pneumatics
The following section shows the pneumatic components involved while performing the AS3000 startup tests.
3.7.1 Leak Test - Manual Ventilation Test
FIGURE 3-2 Manual Ventilation Test Pneumatics
Gas Inlet
Block
N20
AIR
O2
Breathing
System
Ventilator
Pressure
Switch
Pressure
Regulator
Pressure
Regulator
Pressure
Regulator
Ratio•
Controller
N20•
Cuttoff
Flow
Tubes
Cylinder
Cylinder
Cylinder
Inlet Filter
Inlet Filter
Inlet Filter
O2
Flow
Meter
O2
Outlet
AIR•
Flow
Meter
Patient
Vaporizer
O2
Flush
Pressure
Regulator
Proportional
Valve
Solenoid
Valve
Fresh Gas
PEEP
Valve
Exhaust
Valve
APL Valve
AGSS
Electronic
Control
Reversing
Valve
O2 Sensor
Insp. Valve
Absorber
Canister
Exp. Valve
Breathing Bag
OOO
P
P
P
P
P
P
P
Exp. Flow
Sensor
Insp. Flow
Sensor
Fresh Gas
Flow Sensor
V
Bellows
Vaporizer
AS3000™ Service Manual 0070-10-0683 3 - 13
3.7.2 Safety Valve Test
Repair Information Test P n eu m at ic s
FIGURE 3-3 Safety Valve Test Pneumatics
Gas Inlet
Block
N20
AIR
O2
Breathing
System
Ventilator
Pressure
Switch
Pressure
Regulator
Pressure
Regulator
Pressure
Regulator
Ratio•
Controller
N20•
Cuttoff
Flow
Tubes
Cylinder
Cylinder
Cylinder
Inlet Filter
Inlet Filter
Inlet Filter
O2
Flow
Meter
O2
Outlet
AIR•
Flow
Meter
Patient
Vaporizer
O2
Flush
Pressure
Regulator
Proportional
Valve
Solenoid
Valve
Fresh Gas
PEEP
Valve
Exhaust
Valve
APL Valve
AGSS
Electronic
Control
Reversing
Valve
O2 Sensor
Insp. Valve
Absorber
Canister
Exp. Valve
Breathing Bag
OOO
P
P
P
P
P
P
P
Exp. Flow
Sensor
Insp. Flow
Sensor
Fresh Gas
Flow Sensor
V
Bellows
Vaporizer
3 - 14 0070-10-0683 AS3000™ Service Manual
Test P n e um a ti c s Repair Information
3.7.3 Leak Test - Automatic Ventilation Test
FIGURE 3-4 Automatic Ventilation Test Pneumatics
Gas Inlet
Block
N20
AIR
O2
Breathing
System
Ventilator
Pressure
Switch
Pressure
Regulator
Pressure
Regulator
Pressure
Regulator
Ratio•
Controller
N20•
Cuttoff
Flow
Tubes
Cylinder
Cylinder
Cylinder
Inlet Filter
Inlet Filter
Inlet Filter
O2
Flow
Meter
O2
Outlet
AIR•
Flow
Meter
Patient
Vaporizer
O2
Flush
Pressure
Regulator
Proportional
Valve
Solenoid
Valve
Fresh Gas
PEEP
Valve
Exhaust
Valve
APL Valve
AGSS
Electronic
Control
Reversing
Valve
O2 Sensor
Insp. Valve
Absorber
Canister
Exp. Valve
Breathing Bag
OOO
P
P
P
P
P
P
P
Exp. Flow
Sensor
Insp. Flow
Sensor
Fresh Gas
Flow Sensor
V
Bellows
Vaporizer
AS3000™ Service Manual 0070-10-0683 3 - 15
3.7.4 Compliance Test
Repair Information Test P n eu m at ic s
FIGURE 3-5 Compliance Test Pneumatics
1
2
3
4
5
6
7
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
36
37
38
39
40
41
42
8•
9
10
11
Gas Inlet
Block
N20
AIR
O2
Breathing
System
Ventilator
Pressure
Switch
Pressure
Regulator
Pressure
Regulator
Pressure
Regulator
Ratio•
Controller
N20•
Cuttoff
Flow
Tubes
Cylinder
Cylinder
Cylinder
Inlet Filter
Inlet Filter
Inlet Filter
O2
Flow
Meter
O2
Outlet
AIR•
Flow
Meter
Patient
Vaporizer
O2
Flush
Pressure
Regulator
Proportional
Valve
Solenoid
Valve
Fresh Gas
PEEP
Valve
Exhaust
Valve
APL Valve
AGSS
Electronic
Control
Reversing
Valve
O2 Sensor
Insp. Valve
Absorber
Canister
Exp. Valve
Breathing Bag
OOO
P
P
P
P
P
P
P
Exp. Flow
Sensor
Insp. Flow
Sensor
Fresh Gas
Flow Sensor
V
Bellows
Vaporizer
3 - 16 0070-10-0683 AS3000™ Service Manual
Pneumatic Hose and Wiring Diagrams Repair Information
3.8 Pneumatic Hose and Wiring Diagrams
3.8.1 Pneumatic Hose Labeling
FIGURE 3-6 Pneumatic Hose Labeling Diagram
AS3000™ Service Manual 0070-10-0683 3 - 17
10 Insp. Low
8 Exp. High
7 PEEP Control
12 Manual/Auto
Switch
11 Insp. High
9 Exp. Low
10 Insp. Low
8 Exp. High
7 PEEP Control
12 Manual/Auto
Switch
11 Insp. High
9 Exp. Low
3.8.2 Sampling Pipeline Module Interface Labeling
Repair Information Pneumatic Hose and Wiring Diagrams
FIGURE 3-7 Sampling Pipeline Module Interface Diagram
3 - 18 0070-10-0683 AS3000™ Service Manual
LCD
J5 SPK
J7 PWR
PRN
COM1
COM2
COM3
LCD
COM4
PC104
J5
S4
J7
J20
J30
J10
Amplifier
INVERTER
J2
RL1
J7
J5
COM1
COM2
J8
J4
J6
J1
J9
KeyBoard
KeyPad
J5
J8 J1
J3
J4
J2
J6
Power
Encoder
J2J1
TopLight
BAT
SLA-24V-3
IV1 Vinsp
BDU
BDU
AC/DC
J2J3
SCI
HeaterCtrl
SW2
TopLight-Switch
SW1
IV2 Vexp
LV1 man/cmv
FSU3
FSfm
SW-GP
Speaker
COM1
COM2
J3
232 ISOLATOR
LPT
Speaker
COM1
COM2
PWR
1
2
3
45
67
8
9
12
14
161718
19
20
21
22
23
24
25
26
27
28
29
30
31
LJ1
32
LJ3
DB25
35
36
LJ4
Heater
38
40
LJ6 LJ2
LJ6S LJ2S
LJ4S
LJ3S
J1
Paw
J1
Pair
44
BackLight
J13
J10
J15
J11
J6J1J2
J14
J12
J4
Sensor
O2-Sensor LJ5
39
LJ5S
13
42
43
10
COMA
COMB
11
S1
S3
S2
S4
MainsAuxiliary
Mainsinput
15
UIGAS UINT
CONTROL UINT
Breathing System
3.8.3 Electrical Cable Labeling
FIGURE 3-8 Electrical Cable Labeling Diagram
Pneumatic Hose and Wiring Diagrams Repair Information
4.0
Replacement Parts and Accessories
4.1 Introduction
This section of the manual provides information that is necessary to identify replacement
parts and accessories.
4.2 Available Replacement Parts and Sub-Assemblies
The following part lists are divided into two sections. The Isometric Drawings and the
accompanying part lists identify the available chassis mounted components.
4.2.1 Exchange Program
Mindray DS USA, Inc. offers an exchange policy for many of the printed circuit board
assemblies. This program may provide the most expedient method of servicing the
equipment. A standard charge is associated with this service. Contact the Service
Department for details concerning this exchange program.
Many circuit boards make extensive use of multi-layer and surface mount technology.
Individual component replacement is not recommended on these boards. Board exchange or
replacement is the most efficient method of repair for these types of assemblies. Component
level repair is not recommended.
Circuit boards, returned as parts of the exchange program, that show evidence of improper
repair techniques are not considered for exchange. Damaged boards will be invoiced at full
value and no exchange credit will be applied.
4.2.2 Replacement Parts Pricing Information
Current parts prices and exchange charges can be determined by contacting the Customer
Support Department.
AS3000™ Service Manual 0070-10-0683 4 - 1
Available Replacement Parts and Sub-Assemblies Replacement Parts and Accessories
4.2.3 Ordering Information
Replacement parts and assemblies are available. Please follow these guidelines when
ordering replacement items for the product:
1. Include the Model and Serial Number of the product.
2. Include the Part Number exactly as it appears in the Parts List under the column, “Part
Number.”
3. Include a description of the item.
EXAMPLE ORDERS: (1) ea. P/N 0334-00-2611-01
Label, Fuse Replacement, Serial No. XXXX
(2) ea. P/N 0213-07-0404
Screw, Self Tap, #4 x 0.25", Serial No. XXXX
NOTE: Mindray DS USA, Inc. maintains a policy of continuous
development for product improvement and reserves the
right to change materials, specifications, and prices without
notice.
4 - 2 0070-10-0683 AS3000™ Service Manual
Replacement Parts and Accessories Isometric Drawings
8
17
16
15
14
13
12
11
10
9
7
1
2
3
4
6
5
4.3 Isometric Drawings
4.3.1 Chassis
FIGURE 4-1 AS3000 Frontview
AS3000™ Service Manual 0070-10-0683 4 - 3
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