NORTH AMERICAN DRÄGER Drager Narkomed MRI User manual
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Technical
Service
Manual
Part Number: 4114210
Date: 4 May 2004
© 2004 Draeger Medical, Inc.
Rev: T
Narkomed MRI
Narkomed MRI-2
Anesthesia Systems
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Narkomed MRI Service Manual Table of Contents
What's New in Rev. T
DESCRIPTION
SECTION 1: Introduction
1.1 Recommendations. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-1
1.2 How to use this Manual . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-1
1.3 General Troubleshooting Guidelines . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-1
1.4 General Warnings and Cautions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-2
SECTION 2: Diagnostics
2.1 Power-up Diagnostics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-1
2.2 Main Service Screen . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-3
2.3 Service Log . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-6
2.4 PMS Criteria Screen. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-7
2.5 Oxygen Monitor Service Screen . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-8
2.6 Pressure Monitor Service Screen. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-9
SECTION 3: Troubleshooting
3.1 Power Supply and Voltage Distribution . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-1
3.2 Battery . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-6
3.3 Troubleshooting Guides . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-6
PAGE
SECTION 4: Replacement Procedures
4.1 Cylinder Yoke Assemblies . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-2
4.2 Cylinder Pressure Regulators . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-5
4.3 Cylinder Cutoff Valves (Canada) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-8
4.4 Cylinder and Pipeline Pressure Gauges . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-11
4.5 Flowmeters . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-15
4.6 Flow Control Valves . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-19
4.7 Auxiliary O2 Flowmeter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-22
4.8 Oxygen Supply Failure Protection Device . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-24
4.9 Alarm Channel and Oxygen Supply Pressure Alarm Switch . . . . . . . . . . . . . 4-27
4.10 Oxygen Ratio Controller . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-31
4.11 Vaporizers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-34
4.12 O2 Flush Valve . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-37
4.13 Core-M Monitor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-40
4.13A VPO Monitor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-41A
4.14 AV2+ Ventilator Controller (MRI) (Bezel Assembly) . . . . . . . . . . . . . . . . . . 4-42
4.15 Ventilator Solenoid Assembly . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-45
4.16 Ventilator Bellows Valve & Guide Asm w/Press Lim Ctrl . . . . . . . . . . . . . . 4-47
4.17 Caster . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-51
Rev. L
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CONTENTS (continued)
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NM MRI
DESCRIPTION
4.18 Battery . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-53
4.19 Power Supply PCB . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-55
4.20 Primary Power supply (early models) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-57
4.20A Primary Power supply (later design) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-58A
4.21 Power Supply Filter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-59
4.22 Flow Sensor: Machines with VPO Monitor . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-61
SECTION 5: Adjustment And Calibration Procedures
5.1 Cylinder Pressure Regulator Adjustment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-2
5.2 Oxygen Supply Pressure Alarm Switch Adjustment . . . . . . . . . . . . . . . . . . . . . 5-5
5.3 Oxygen Ratio Controller (ORC) Adjustment . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-8
5.4 Oxygen Monitor Calibration: Core-M Monitor . . . . . . . . . . . . . . . . . . . . . . . . . 5-10
5.5 Flow and Pressure Calibration: Core-M Monitor . . . . . . . . . . . . . . . . . . . . . . 5-11
5.6 Oxygen Sensor Calibration: VPO Monitor . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-12
5.7 Breathing Pressure Monitor Calibration: VPO Monitor . . . . . . . . . . . . . . . . . 5-14
5.8 Vaporizer Interlock Adjustment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-16
SECTION 6: Periodic Manufacturer’s Service (PMS) Procedure
6.1 Safety Testing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-3
6.2 Self-Diagnostics: Core-M Monitor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-4
6.2A Self-Diagnostics: VPO Monitor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-4A
6.2B Configuration: VPO Monitor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-4A
6.2C Service Data: VPO Monitor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-4B
6.3 Battery Circuit Test . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-5
6.4 High Pressure Leak Test . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-6
6.5 High Pressure Regulator Test . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-8
6.6 Gauges . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-9
6.7 Oxygen Supply Failure Protection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-10
6.8 Flowmeter Test . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-11
6.9 Freshgas Leak Test . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-13
6.10 Absorber System . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-14
6.10A Bain Circuit Adapter - if applicable . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-17A
6.10B Vapor Exclusion System . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-17B
6.11 Flow and Pressure Calibration: Core-M Monitor . . . . . . . . . . . . . . . . . . . . . 6-17C
6.11A Flow and Pressure Calibration: VPO Monitor . . . . . . . . . . . . . . . . . . . . . . 6-17D
6.12 Oxygen Cal and Alarm Test: Core-M Monitor . . . . . . . . . . . . . . . . . . . . . . . . 6-18
6.12A O2 MED: VPO Monitor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-18A
6.13 Pressure Accuracy Test: Core-M Monitor . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-19
6.13A Baromed: VPO Monitor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-19A
6.14 APNEA and Volume Alarm Test: Core-M Monitor. . . . . . . . . . . . . . . . . . . . . 6-20
6.14A Ultrasonic Flow Sensor: VPO Monitor . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-21A
6.15 Ventilator Test . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-22
6.16 Bellows Drive Gas Leak Test . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-23
6.17 “F” Bellows Test . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-24
6.18 Ventilator Relief Valve Test . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-24
6.19 Inspiratory Pressure Limit Test . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-25
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NM MRI
CONTENTS (continued)
DESCRIPTION PAGE
6.20 Oxygen Concentration Test . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-25
6.21 Oxygen Ratio Control (ORC) Test . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-27
6.22 Oxygen Flush and 100% O2 Final Test . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-28
6.23 Scavenger Interface, A/C . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-29
6.24 Open Reservoir Scavenger . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-30
6.25 Suction Regulator . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-32
6.26 Final Check . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-32
SECTION 7: Software Update Procedure
7.1 Software Transfer to PC via Modem . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-1
7.2 Installing NM MRI Software from a PC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-1
SECTION 8: Spare and Replacement Parts
AV-2+ Ventilator Controller (Bezel) Assembly and Remote Solenoid . . . . . . . . . . . . . . 8-2, 8-3
Bellows Valve Assembly, Pressure Limit Control, Bellows Assembly. . . . . . . . . . . . . . 8-4, 8-5
Bellows Valve Assembly details. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-6, 8-7
DISS Pipeline Inlets . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-8, 8-9
Failsafe Assemblies . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-10, 8-11
ORC Assembly . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-12, 8-13
Alarm Channel Assembly and related cables . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-14, 8-15
Flowmeter Shields, Knobs, Labels, Gauges . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-16, 8-17
Flow Tubes, Restrictor Assemblies, Flow Control Valve . . . . . . . . . . . . . . . . . . . . . . 8-18, 8-19
Auxiliary O
Cyl. Regulator Assemblies, O
Flowmeter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-20, 8-21
2
Flush Valve and related parts . . . . . . . . . . . . . . . . . 8-22, 8-23
2
CSA Items: Relief Valve, Cylinder Cutoff Valves . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-24, 8-25
Yokes, Common Parts, Labels . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-26, 8-27
Absorber Pole, Casters . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-28, 8-29
Power Supply/Charger Assembly, Power Cord . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-30, 8-31
Filter Assembly . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-32, 8-33
Battery Box Assembly, machines with Core-M monitor . . . . . . . . . . . . . . . . . . . . . . 8-34, 8-35
Battery Box Assembly, machines with VPO monitor. . . . . . . . . . . . . . . . . . . . . . . . . 8-36, 8-37
Absorber . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-38, 8-39
Man/Auto Selector Valve . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-40, 8-41
Open Reservoir Scavenger . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-42, 8-43
A/C Scavenger. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-44, 8-45
Core-M Monitor, Vol & O2 Sensors, Touch-up paint: Euro white, Euro blue . . . . . . 8-46, 8-47
VPO Monitor. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-48, 8-49
Ultrasonic Flow Sensor Assembly and related parts . . . . . . . . . . . . . . . . . . . . . . . . . 8-50, 8-51
Suction Assembly with Re-usable Canister . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-52, 8-53
Vaporizer Mounting and Exclusion System parts . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-54, 8-55
Rev. L
iii
Narkomed MRI Anesthesia System
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VENTILATOR
VPO
MONITOR
VENTILATOR
BELLOWS
MAIN SWITCH PANEL
FLOWMETER
BANK
VAPORIZER
SCAVENGER
(OPEN
RESERVOIR)
ABSORBER
POWER SUPPLY
PRESSURE
GAUGES
SV00070
1-0
Rev. E
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NM MRI
INTRODUCTION
1.0 INTRODUCTION
1.1 Recommendations
Because of the sophisticated nature of Draeger Medical, Inc. anesthesia equipment and its
critical importance in the operating room setting, it is highly recommended that only
appropriately trained and experienced professionals be permitted to service and maintain this
equipment. Please contact DrägerService
Draeger Medical, Inc. also recommends that its anesthesia equipment be serviced at three-
month intervals. Periodic Manufacturer's Service Agreements are available for equipment
manufactured by
Draeger Medical, Inc. For further information concerning these agreements,
please contact us at (800) 543-5047.
Draeger Medical, Inc. products/material in need of factory repair shall be sent to:
1.2 How to use this Manual
®
at (800) 543-5047 for service of this equipment.
DrägerService
3124 Commerce Drive
Telford, PA 18969 U.S.A.
(Include RMA Number)
The manual is divided into several sections. The DIAGNOSTICS section describes self-test and
service diagnostics for checking the system functions. An understanding of the on-board service
capabilities is necessary before any attempt is made to troubleshoot the unit. The
TROUBLESHOOTING section provides troubleshooting guides to assist the Technical Service
Representative (TSR) in locating the source of a problem. The REPLACEMENT PROCEDURES
section contains instructions for removal and replacement of the assemblies that are considered
field-replaceable. The ADJUSTMENT AND CALIBRATION PROCEDURES section contains the
field procedures needed to restore original system specifications. The Periodic Manufacturer's
Service (PMS) PROCEDURE section outlines the steps required to verify the electrical,
mechanical and pneumatic safety of the unit and also identifies components requiring periodic
replacement.
1.3 General Troubleshooting Guidelines
Troubleshooting the Narkomed MRI should always begin by communicating with those who
observed or experienced a problem with the unit. This may eliminate unnecessary
troubleshooting steps. Once a general problem is identified, refer to the troubleshooting flow
charts in Section 3 to determine the proper corrective action to be taken.
After a component has been replaced, verify that the unit is operating properly by running the
appropriate diagnostic procedure. The PMS PROCEDURE in Section 6 must also be performed
after any component has been replaced.
The general arrangement of the Narkomed MRI Anesthesia System is shown on the opposite
page.
WAR NING S are used in this manual before procedures which if not performed correctly could
result in personal injury.
CAUTIONS are used in this manual to alert service personnel to the possibility of damage to the
equipment if a procedure is not performed correctly.
1-1
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INTRODUCTION (continued)
NM MRI
1.4 General Warnings and Cautions
The following list of warnings and cautions apply to general operation and maintenance of the
Narkomed MRI. Warnings and cautions about installing and operating specific parts appear
with those topics.
WARNING: The user of this anesthesia machine must comply with warnings, cautions,
and checkout procedures printed on the machine or on the pullout panel.
Failure to do so may result in injury to the patient, operator, others, or
equipment.
WARNING: Any person involved with the setup, operation, or maintenance of the
Narkomed MRI anesthesia system must be thoroughly familiar with this
instruction manual.
WARNING: Do not place any object on this machine unless it is specifically labeled to be
used in an MRI scanning room and on the Narkomed MRI anesthesia system.
Objects placed on this machine that are not designed for use with this
anesthesia system may be strongly attracted to the magnet and may cause
serious injury or death when the machine is used in an MRI scanning room.
WARNING: Always lock the casters after this anesthesia machine has been positioned in
the MRI scanner room. Magnetic attractive forces between the magnet and
the anesthesia machine may cause unintentional movement of the anesthesia
machine if the casters are unlocked.
WARNING: The power supply charger assembly must not be taken into the magnet room.
Damage to the equipment, MRI system, or personal injury could result.
WARNING: The Narkomed MRI has been tested only with magnets having field strengths
of up to 1.5 tesla. Moving the machine near higher strength magnets (greater
than 1.5 tesla) could result in machine malfunction or unmanageable
attractive forces that could lead to serioius injury or death.
WARNING: The Narkomed MRI-2 has been tested with magnets having field strengths of
up to 3.0 tesla. Moving the machine near higher strength magnets (greater
than 3.0 tesla) could result in machine malfunction or unmanageable
attractive forces that could lead to serious injury or death.
WARNING: This anesthesia system will not respond automatically to certain changes in
patient condition, operator error, or failure of components. The system is
designed to be operated under the constant surveillance and control of a
qualified operator.
WARNING: Use only nonmagnetic (aluminum) E-cylinders with this machine. Steel
cylinders can cause serious injury or death if brought into an MRI scanning
room.
1-2
Rev. F
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NM MRI
INTRODUCTION (continued)
WARNING: No third-party components shall be attached to the anesthesia machine,
ventilator, or breathing system (except for certain approved exceptions).
Contact
DrägerService
®
for further information. DrägerService
®
is a division of
Draeger Medical, Inc.
WARNING: Not for use with flammable anesthetics. To avoid explosion hazards, do not
use flammable anesthetic agents such as diethyl-ether and cyclopropane with
this machine. Only anesthetic agents which comply with the requirements for
non-flammable anesthetic agents per IEC standard or national equivalent
shall be used with this anesthesia machine.
CAUTION: When moving the machine, be sure to set the absorber to its lowest position on
the absorber pole. To avoid personal injury or damage to the unit, do not use
the absorber pole to push or pull the machine. It is recommended that two
people move the machine to aid in maneuverability on inclines, around
corners, and over raised thresholds.
CAUTION: The Narkomed MRI is designed for MRI use only as a system. The user should
not assume that individual components of the system can be safely used with
MRI scanners.
CAUTION: Although the Narkomed MRI is designed to minimize the effects of ambient
radio-frequency interference, machine functions may be adversely affected by
the operation of electrosurgical equipment or short-wave or microwave
diathermy equipment in the vicinity.
The following messages appear in French on the Narkomed MRI:
ATTENTION: Lors du déplacement de l'appareil, veiller à placer l'absorbeur le plus bas
possible sur le montant. Pour éviter tout risque de blessure corporelle ou
endommagement de l'appareil, ne pas pousser ou tirer sur le montant de
l'absorbeur pour déplacer l'appareil. Il est recommandé que deux personnes
déplacent l'appareil sur des plans inclinés, dans des angles et pour passer
des seuils surélevés.
AVERTISSEMENT: L'utilisateur de l'appareil d'anesthésie doit se conformer aux
avertissements, mises en garde et procédures de vérification
imprimés sur l'appareil ou sur le panneau rétractable. Négliger de
faire cela risque de provoquer des blessure chez le patient, l'opérateur
ou d'autres personnes et risque également d'endommagement
l'appareil.
AVERTISSEMENT: Toute personne chargée de la préparation, de l'utilisation ou de
l'entretien de l'appareil d'anesthésie Narkomed MRI doit très bien
connaître le contenu de ce manuel d'utilisation.
1-3
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INTRODUCTION (continued)
NM MRI
AVERTISSEMENT: Ne placer aucun objet sur cet appareil à moins qu'il n'ait été
spécifiquement approuvé pour l'utilisation dans une salle IRM avec
un appareil d'anesthésie Narkomed MRI. Tout objet non conforme
déposé sur cet appareil pourrait être fortement attiré par l'aimant et
pourrait occasionner des blessures graves ou fatales lorsque l'appareil
d'anesthésie est utilisé dans la salle IRM.
AVERTISSEMENT: Toujours bloquer les roues après avoir placé cet appareil d'anesthésie
à l'endroit voulu dans la salle IRM. Les forces d'attraction magnétique
entre l'aimant et l'appareil d'anesthésie peuvent provoquer un
déplacement imprévu de ce dernier si les roues ne sont pas bloquées.
AVERTISSEMENT: Ne pas amener le chargeur de batterie dans la salle IRM car cela
présenterait un risque d'endommagement du matériel et du système
IRM, ou de blessure corporelle.
AVERTISSEMENT: Cet appareil d'anesthésie Narkomed MRI a été vérifiée avec des
aimants possédant des champs magnétiques jusqu’á 1,5 tesla. Installé
l’appareil prés d’un aimant plus puissant (plus de 1,5 tesla) pourrait
amener l’appareil á mal monctionner ou produire des forces
d’attractions incontrôlables qui pourait causer des blessures sérieuses
ou la mort.
AVERTISSEMENT: Cet appareil d'anesthésie Narkomed MRI-2 a été vérifiée avec des
aimants possédant des champs magnétiques jusqu’á 3,0 tesla. Installé
l’appareil prés d’un aimant plus puissant (plus de 3,0 tesla) pourrait
amener l’appareil á mal monctionner ou produire des forces
d’attractions incontrôlables qui pourait causer des blessures sérieuses
ou la mort.
AVERTISSEMENT: Ce système d'anesthésie ne réagit pas automatiquement à certains
changements de l'état physiologique du patient, aux erreurs de
l'opérateur ou aux défaillances des composants. Il a été conçu de
manière à être utilisé sous le contrôle permanent de l'opérateur.
AVERTISSEMENT: Utiliser uniquement des bouteilles de type E non magnétiques (en
aluminium) avec cet appareil. L'utilisation de bouteilles en acier dans
la salle IRM pourrait occasionner des blessures graves ou mortelles.
AVERTISSEMENT: Ne pas utiliser de composants en provenance d'autres fabricants avec
l'appareil d'anesthésie, le ventilateur ou le circuit d'anesthésie, à
moins qu'ils n'aient été approuvés au préalable. Contacter le service
technique de Draeger Medical, Inc. pour des informations
complémentaires.
Rev. A
1-4
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NM MRI
INTRODUCTION (continued)
AVERTISSEMENT: Ne pas utiliser l'appareil d'anesthésie avec des anesthésiques
inflammables. Pour éviter tout risque d'explosion, ne pas utiliser
d'anesthésiques inflammables tels que l'éther et le cyclopropane.
Seuls les anesthésiques conformes aux exigences relatives aux
anesthésiques ininflammables de la norme CEI ou toute norme
nationale équivalente pourront être utilisés avec cet appareil.
AVERTISSEMENT: Lors du déplacement de l'appareil d'anesthésie, enlever tous les
moniteurs et autre matériel de l'étagère supérieure, retirer
l'absorbeur et n'utiliser que les poignées ou les barres de poussée/
traction. L'appareil d'anesthésie ne doit être déplacé que par des
personnes suffisamment fortes pour en supporter le poids. Draeger
Medical, Inc. recommande que deux personnes déplacent l'appareil
d'anesthésie afin de le manouvrer plus facilement. Veiller à ce que
l'appareil ne bascule pas lors du déplacement sur des plans inclinés,
dans des angles et au passage de seuils (portes et ascenseurs, par
exemple). Ne pas faire passer l'appareil sur des tuyaux, des fils
électriques ou d'autres obstacles se trouvant sur le sol.
ATTENTION: L'appareil d'anesthésie Narkomed MRI doit être utilisé uniquement en tant
que système pour l'imagerie à résonance magnétique. L'utilisateur ne doit
pas présumer que chaque composant du système peut être utilisé seul pour
l'IRM sans présenter de risques.
ATTENTION: Bien que l'appareil d'anesthésie Narkomed MRI soit conçu de manière à
minimiser le parasitage électromagnétique, son fonctionnement peut être
affecté par l'utilisation de générateurs d'électrochirurgie ou d'appareils de
diathermie à ondes courtes ou d'appareils à micro-ondes se trouvant aux
alentours.
ATTENTION: Ne pas placer plus de 23 kg (50 livres) sur l'appareil.
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
1-5
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INTRODUCTION (continued)
Copyright
Copyright © 2004 by Draeger Medical, Inc. All rights reserved. No part of this publication may
be reproduced, transmitted, transcribed, or stored in a retrieval system in any form or by any
means, electronic or mechanical, including photocopying and recording, without the written
permission of Draeger Medical, Inc.
Trademark Notices
NM MRI
Datagrip, DrägerService, Narkomed, Narkomed GS, O.R. Data Manager, ORM, Quality Service
For Life, Respitone,
trademarks of
respective owners.
Disclaimer
The content of this manual is furnished for informational use only and is subject to change
without notice. Draeger Medical, Inc. assumes no responsibility or liability for any errors or
inaccuracies that may appear in this manual.
Draeger Medical, Inc. All other products or name brands are trademarks of their
Vigilance Audit, Vitalert, Vitalink, and Fabius GS are registered
1-6
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NM MRI
DIAGNOSTICS
2.0 DIAGNOSTICS
The Narkomed MRI anesthesia system includes a volume, pressure, and oxygen monitor.
If your system is equipped with an Omicron (Core-M) monitor, refer to the
Monitor Instructions for Operation
(Part No. 4114448) for power-up diagnostic indications,
NAD Omicron
calibration, and setting of alarm parameters. Power to the monitor is supplied by the
Narkomed MRI anesthesia system. A description of the power distribution scheme along
with a troubleshooting guide is given in the next section.
The descriptions that follow apply to systems equipped with a VPO monitor.
2.1 Power-up Diagnostics
The VPO monitor contains a diagnostic system that monitors certain system functions
and records their operational status. Following a brief System Startup display at
power up, the diagnostics screen shown in Figure 2-1 appears. This display includes
one of three messages at the completion of the diagnostics:
FUNCTIONAL: This message indicates that the Narkomed MRI has passed all
power-up tests and is fully functional. The machine will proceed to
the MACHINE MONITOR screen after a short delay.
CONDITIONALLY This message indicates that a minor problem has been
FUNCTIONAL: detected. The Narkomed MRI will retain this display until any key is
pressed, then the MACHINE MONITOR screen will be displayed.
NON-FUNCTIONAL: This message indicates that a serious problem has been detected. The
machine will not proceed into the MACHINE MONITOR or SYSTEM
MONITOR screen.
The PREVENTIVE MAINTENANCE DUE message will appear on the screen if the
current date exceeds the Periodic Manufacturer's Service due date stored in the
machine.
Further diagnostic functions are available through service screens that can be called
up at the display panel. The following paragraphs provide a description of each service
screen that can be accessed at the display. If no display is present upon system powerup, refer to Section 3 of this manual for troubleshooting assistance.
Rev. E
2-1
DIAGNOSTICS (continued)
NARKOMED MRI
COPYRIGHT 2000 DRAEGER MEDICAL, INC.
VERSION: 1.00 NM MRI
SOFTWARE ID: 3B31
DIAGNOSTIC TESTS
FIRMWARE PASS
RAM PASS
VIDEO PASS
A/D CONVERTER PASS
AUDIO PASS
CLOCK PASS
NON-VOLATILE MEMORY PASS
PERIODIC CERTIFICATION DUE
FUNCTIONAL
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NM MRI
Figure 2-1. Power-up Diagnostics Screen
2-2
Rev. E
NM MRI
2.2 Main Service Screen
2.2.1 View Mode
The Main Service Screen displays the machine serial number, the last
service date, hours run since last service and total hours run.
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DIAGNOSTICS (continued)
SRVC
LOG
PMS
SCHED
To access the Main Service Screen, press and hold the Oxygen
and Volume
screen shown in Figure 2-2 will then appear.
Press the
paragaph), or press the key next to
screen.
MAIN SERVICE SCREEN
MACHINE SERIAL NUMBER : XXXXXXXX
LAST SERVICE DATE : 2-29-2000
HOURS RUN SINCE LAST SERVICE: 263
TOTAL HOURS RUN : 624
Low Limit keys, and press the key. The View Mode service
key to proceed to the Service Mode (described in the next
5
EXIT to return to the monitoring
5
High Limit
Rev. E
MON
CAL
PORT
SERVICE CODE
Figure 2-2. Main Service Screen, View Mode
VIEW
2-3
SELECT
EXIT
DIAGNOSTICS (continued)
2.2.2 Service Mode
In this screen, the Service Code Changes to SRVC.
Press the key next to SELECT to enable the Technical Service ID entry
as described on the next page.
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NM MRI
SRVC
LOG
PMS
SCHED
MON
CAL
PORT
Figure 2-3. Main Service Screen, Service Mode
MAIN SERVICE SCREEN
MACHINE SERIAL NUMBER : XXXXXXXX
LAST SERVICE DATE : 2-29-2000
HOURS RUN SINCE LAST SERVICE: 263
TOTAL HOURS RUN : 624
SERVICE CODE
SRVC
SELECT
EXIT
2-4
Rev. E
NM MRI
2.2.3 Service Mode: I.D. Entry
The Service Mode screen appears as shown in Figure 2-4. Press the key
next to
and keys to display the desired character. Press the key next to
SELECT to advance to the next digit, and enter the next and remaining
I.D. characters in the same manner.
When this screen is entered, an entry is made in the Service Log.
To access any of the other service screens described on the following
pages, press the key next to the desired function on the left side of the
screen: Service Log, PMS Schedule, Monitor Calibration, or Port
communication settings.
SELECT. Enter the first digit of your service code by using the
6
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DIAGNOSTICS (continued)
5
RESET
SRVC
LOG
PMS
SCHED
MON
CAL
PORT
Pressing the key next to
LAST SERVICE to zero, and the LAST SERVICE DATE to the current
date.
If desired, press the key next to
MAIN SERVICE SCREEN
MACHINE SERIAL NUMBER : XXXXXXXX
LAST SERVICE DATE : 2-29-2000
HOURS RUN SINCE LAST SERVICE: 263
TOTAL HOURS RUN : 624
TECHNICAL SERVICE
REPRESENTATIVE I.D.
0 0 0
RESET will reset the HOURS RUN SINCE
EXIT to return to the monitoring screen.
SELECT
0
EXIT
Rev. E
Figure 2-4. Main Service Screen, Service Mode
2-5
DIAGNOSTICS (continued)
2.3 Service Log
From the Service Screen (described earlier), press the key next to SRVC LOG.
Figure 2-5 shows an example of the screen that will appear. This screen allows
you to view the events recorded in the machine's service log. Use the and
keys to scroll down or up through the log entries.
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NM MRI
6
5
Press the key next to
EXIT to return to the Main Service Screen.
SERVICE LOG
DATE TIME PARAMETER CODE
02-11-00 10:26 00000000 0000
SYSTEM POWERUP
02-11-00 10:30 00000000 E400
AUDIOGEN SPKR CHK
02-13-00 07:30 00000004 E100
Figure 2-5. Service Log
2-6
EXIT
Rev. E
NM MRI
2.4 PMS Criteria Screen
The PMS Criteria Screen allows you to select the month when the
PREVENTIVE MAINTENANCE DUE message appears on the power-up
diagnostics screen.
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DIAGNOSTICS (continued)
From the Service Screen (described earlier), press the hidden key next to
SCHED
Figure 2-6 shows an example of the screen that will appear. Use the and
keys to set the desired month.
Press the key next to
SELECT CRITERIA FOR
“PREVENTIVE MAINTENANCE” MESSAGE
.
EXIT to return to the Main Service Screen.
PMS
5
6
Rev. E
MONTH
SEP
2000
Figure 2-6. PMS Criteria Screen
EXIT
2-7
DIAGNOSTICS (continued)
2.5 Oxygen Monitor Service Screen
The Oxygen Monitor Service Screen shown in Figure 2-7 displays current
readings for the O
values.
cells, a zero calibration procedure, and the stored calibration
2
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NM MRI
From the Service Screen (described earlier), press the key next to
To perform a zero calibration, follow the calibration procedure shown on the
screen. Pressing the key next to
calibration.
To proceed to the Pressure Monitor Service Screen, press the key next to
. To return to the Main Service Screen, press the key next to EXIT.
MON
ZERO stores the current values as the new zero
MON CAL.
OXYGEN MONITOR SERVICE SCREEN
CURRENT CELL A: 238
CURRENT CELL B: 250
ZERO
PRES
ZERO CALIBRATION PROCEDURE:
- REMOVE O2 CELL FROM HOUSING
- LET CURRENT CELL VALUES STABILIZE
- PRESS “ZERO” KEY TO ENTER
CALIBRATION VALUES
- REINSTALL O2 CELL IN SENSOR HOUSING
STORED ZERO CELL A: 250
STORED ZERO CELL B: 250
Figure 2-7. Oxygen Monitor Service Screen
2-8
PRES
MON
EXIT
Rev. E
NM MRI
2.6 Pressure Monitor Service Screen
The Pressure Monitor Service Screen shown in Figure 2-8 displays the current
reading for airway pressure, a procedure for zero and span calibration, and the
stored calibration values.
To enter the Pressure Monitor Service Screen from the Oxygen Monitor Service
Screen (described earlier), press the key next to
To perform a zero calibration, follow the procedure shown on the screen.
Pressing the key next to
calibration.
To perform a span calibration, follow the procedure shown on the screen.
Pressing the key next to
calibration.
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DIAGNOSTICS (continued)
PRES MON (ref. Figure 2-6).
ZERO stores the current value as the new zero
SPAN stores the current value as the new span
To return to the Oxygen Monitor Service Screen, press the key next to
. To return to the Main Service Screen, press the key next to EXIT.
MON
PRESSURE MONITOR SERVICE SCREEN
CURRENT PRESSURE VALUE: 250
ZERO CALIBRATION PROCEDURE:
- REMOVE PRESSURE SAMPLE LINE FROM
ABSORBER, EXPOSE TO AIR.
- LET CURRENT PRESSURE VALUE STABILIZE
- SELECT “ZERO” KEY TO
ENTER CALIBRATION VALUES.
SPAN CALIBRATION PROCEDURE:
- REMOVE PRESSURE SAMPLE LINE FROM
ABSORBER, APPLY 50 CMH2O CONSTANT
PRESSURE AT THE SAMPLE LINE, VERIFIED
BY A KNOWN, CALIBRATED METER.
- LET PRESSURE VALUE STABILIZE
- SELECT THE “SPAN” KEY TO
ENTER THE CURRENT VALUE.
ZERO
SPAN
OXY
MON
EXIT
OXY
Rev. E
Figure 2-8. Pressure Monitor Service Screen
2-9
DIAGNOSTICS (continued)
2.7 Deleted
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NM MRI
2-10
Rev. L
NM MRI
3.0 TROUBLESHOOTING
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TROUBLESHOOTING GUIDE
This section contains information to assist the DrägerService
®
qualified Technical
Service Representative (TSR) in locating electrical faults affecting the Narkomed MRI
anesthesia system. Since most troubleshooting efforts begin with verifying power
supply voltages, the following paragraph outlines the voltage distribution scheme
within the machine along with test points for each of the voltages.
3.1 Power Supply and Voltage Distribution
Power is distributed from the battery box PCB assembly to the alarm channel,
monitor, and flow sensor electronics module on machines with a VPO monitor.
Power for the ventilator controller is obtained from the alarm channel. Table 3-1
lists the test points and acceptable ranges for each voltage; Figures 3-1 and 3-2
show test point locations. Simplified electrical block diagrams are shown in
Figures 3-3 and 3-4.
TABLE 3-1: TEST POINTS AND ALLOWABLE RANGES
BATTERY BOX PCB
VOLTAGE ACCEPTABLE RANGE
(Machines with Core-M monitor)
J1-1 + 13.8 VDC input* 13.6 to 14.0 VDC
J4-1 + 9 VDC to monitor 8.45 to 9.55 VDC
J3-1 + 8 VDC to alarm channel 7.55 to 8.45 VDC
J1-2, J4-2, J3-14 Common
BATTERY BOX PCB
VOLTAGE ACCEPTABLE RANGE
(Machines with VPO monitor)
J7-1 + 8 VDC to monitor 7.72 to 8.36 VDC
J4-1 + 12 VDC to Gill flow sensor 11.61 to 12.54 VDC
J7-2, J4-2 Common
ALARM CHANNEL VOLTAGE ACCEPTABLE RANGE
J3-9 (Wht) + 8 VDC to vent controller 7.55 to 8.45 VDC
J3-3 (Orn) Common
* Applies to early models, measured with battery fully charged and System Power switch at
STANDBY.
On later models with Jerome power supply including machines with VPO monitor, input
voltage is measured at DC power cable Pins 1& 2, with cable unplugged. Range: 13.6 to 14.5
VDC.
Rev. L
3-1
TROUBLESHOOTING GUIDE (continued)
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NM MRI
J1 FROM
BATTERY
CHARGER
J2 FROM
BATTERY
FI BATTERY
FUSE
(TYPE 3AG,
FAST, 10A,
250V,
312 010)
F3 8V SUPPLY FUSE
(TYPE 3AG, SLO-BLO,
1A, 250V, 313 001)
SV00034
J3 TO
ALARM
CHANNEL
J4 TO
CORE-M
MONITOR
CONNECTION FOR
FIBER OPTIC CABLE
ALARM
CHANNEL
CONNECTOR J3
(TYPE 3AG, FAST, 0.75A, 250V, 312.750)
987
654
321
F2 9V SUPPLY FUSE
FIGURE 3-1. Power Supply Voltage Test Points: Machines with Core-M Monitor
3-2
Rev. E
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NM MRI
F1 BATTERY FUSE, 10A, 3AG FAST J2 FROM
J1 POWER IN
J7 TO NAD
MONITOR
TROUBLESHOOTING GUIDE (continued)
BATTERY
F4
FLOW SENSOR
POWER FUSE
0.5A, 3AG, FAST
F2 8V
SUPPLY FUSE
1A, 3AG,
SLO-BLO
RX1 FIBER
OPTIC CABLE FROM
VENT CONTROLLER
F3 MONITOR
POWER FUSE
3A, 3AG, FAST
ALARM
CHANNEL
CONNECTOR J3
987
654
321
J4 FLOW SENSOR MODULE J1
J5 FLOW SENSOR MODULE J2
J8 HIGH FIELD SIGNAL TO MONITOR
J6 TO VENTILATOR SOLENOID
FIGURE 3-2. Power Supply Voltage Test Points: Machines with VPO Monitor
SV00181
J3 TO ALARM
CHANNEL
Rev. E
3-3
TROUBLESHOOTING GUIDE (continued)
FLOWMETER
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NM MRI
LIGHTS
FEED
THRU
J2
FILTERS
9V POWER
FOR
MONITOR
J4
BATTERY
BOX PCB
ALARM
CHANNEL
J4
J3
J1
J6
J3
30 PSI
SW
RX1
J2
BATTERY
VENTILATOR
CONTROLLER
FIBER OPTIC
INTERFACE
TX1
VENT
SOLENOID
J1
FIBER
OPTIC
CABLE
FILTER
BOX
MAINS
POWER
SUPPLY
FIGURE 3-3. Narkomed MRI Block Diagram: Machines w/Core-M Monitor
3-4
Rev. E
NM MRI
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TROUBLESHOOTING GUIDE (continued)
FLOWMETER
LIGHTS
FEED
THRU
J2
FILTERS
NAD MONITOR
FLOW
SENSOR
MODULE
J1
J4
J7
BATTERY
BOX PCB
J1
ALARM
CHANNEL
J8
J3
J4
J3
30 PSI
SW
RX1
J2
BATTERY
VENTILATOR
CONTROLLER
FIBER OPTIC
INTERFACE
TX1
VENT
SOLENOID
J1
FIBER
OPTIC
CABLE
J6
FILTER
BOX
MAINS
J1
POWER
SUPPLY
FIGURE 3-4. Narkomed MRI Block Diagram: Machines w/VPO Monitor
Rev. F
3-5
TROUBLESHOOTING GUIDE (continued)
3.2 Battery
With the System Power switch at STANDBY and the power supply/charger box
disconnected, the battery voltage at full charge should be within the range of 12.5
to 13.2 VDC. Battery voltage can be measured at J2 on the battery box PCB.
During battery operation, the low battery cutoff voltage should be within the
range of 10.7 to 11.3 VDC.
3.3 Troubleshooting Guides
Table 3-2 lists common failure modes and symptoms (excluding simultaneous
multiple faults) for the Narkomed MRI. Each failure mode or symptom is keyed to
a troubleshooting guide flow chart at the back of this section to assist the TSR in
locating a problem. These flow charts assume that the machine is plugged into an
AC outlet with the correct voltage, and the machine is not running on its backup
battery.
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NM MRI
TABLE 3-2: NARKOMED MRI FAILURE MODE AND SYMPTOM LIST
FAILURE MODE / SYMPTOM CORRECTIVE ACTION
Monitor Inoperative (Core-M Monitor) Guide 1
No O
Supply Pressure Alarm Guide 2
2
Ventilator Inoperative Guide 3
No Audio Alarms, Display Blank,
Guide 4
Keypad Inoperative (VPO Monitor)
Serial Port Communication Failure
Guide 5
(VPO Monitor)
Loss of Breathing Pressure Monitor
Guide 6
(VPO Monitor)
Loss of Respiratory Volume Monitor
Guide 7
(VPO Monitor)
3-6
Rev. E
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NM MRI
GUIDE 1: Monitor Inoperative (Core-M Monitor)
START
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TROUBLESHOOTING GUIDE (continued)
CONNECT
POWER CORD
N
Y
ARE
ALL MONITOR
FUNCTIONS
WORKING?
N
IS
POWER CORD
CONNECTED?
Y
IS POWER
AVAILABLE AT
CONNECTOR?
Y
ARE
ALL MONITOR
FUNCTIONS
WORKING?
Y
CHECK: POWER TO
BATTERY BOX PCB
..................................
REPLACE BATTERY BOX
PCB ASSEMBLY
N
IS
N
POWER
AVAILABLE AT
BATTERY BOX
PCB?
Y
CHECK INTERNAL
CABLE TO POWER
CONNECTOR
ARE
ALL MONITOR
FUNCTIONS
WORKING?
N
REINSTALL ORIGINAL
BATTERY BOX PCB
CONTACT NAD
SERVICE DEPT.
Y
N
PERFORM A
COMPLETE PMS
ON THE UNIT
DOES
UNIT PASS
PMS?
Y
Rev. E
N
CHECK:
-SENSOR INTERFACE
CONNECTIONS
-SENSOR ELEMENTS:
REFER TO
MANUFACTURER’S
OPERATOR’S MANUAL
ARE
ALL MONITOR
FUNCTIONS
WORKING?
Y
3-7
UNIT IS
FUNCTIONAL
N
TROUBLESHOOTING GUIDE (continued)
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NM MRI
START
IS
O2 SUPPLY
PRESSURE ALARM
FUNCTIONAL?
N
CHECK:
-O2 PRESSURE SWITCH
-CABLE FROM BATTERY BOX
PCB TO ALARM CHANNEL
-SUPPLY VOLTAGE TO
ALARM
CHANNEL
IS
O2 SUPPLY
PRESSURE ALARM
FUNCTIONAL?
GUIDE 2: No O
Y
Y
PERFORM A
COMPLETE PMS
ON THE UNIT
DOES
UNIT PASS
PMS?
Supply Pressure Alarm
2
Y
UNIT IS
FUNCTIONAL
N
REPLACE
ALARM CHANNEL
IS
O2 SUPPLY
PRESSURE ALARM
FUNCTIONAL?
N
REINSTALL ORIGINAL
ALARM CHANNEL
..................................
REPLACE BATTERY
BOX PCB ASSEMBLY
N
CONTACT NAD
SERVICE DEPT.
Y
REINSTALL ORIGINAL
BATTERY BOX
PCB ASSEMBLY
Y
IS
O2 SUPPLY
PRESSURE ALARM
FUNCTIONAL?
N
3-8
Rev. E
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