GE Medical Systems Dash Responder Service Manual

Dash Responder

Version V 1.0

Servicing Instructions

2004768-001 ENG Revision F

GE Medical Systems Information Technologies

Caution:

During repairs/service interventions, observe the protective measures against damage due to ESD.

• GE Medical Systems Information Technologies GmbH is responsible for the

effects on safety, reliability, and performance of the device, only if

− assembly operations, extensions, readjustments, modifications, or repairs are carried out by GE Medical Systems Information

Technologies GmbH or by persons authorized by GE Medical Systems Information Technologies GmbH,

− the electrical installation of the relevant room complies with the applicable national and local requirements, and

− the instrument is used in accordance with the instructions for use.

• This manual contains service information, operating instructions are provided in

the Operator’s Manual of the instrument.

• This manual is in conformity with the instrument at printing date.

• All rights are reserved for instruments, circuits, techniques, and names appearing in

the manual.

The authorized representative for GE Medical Systems Information Technologies Inc. in Europe is: GE Medical Systems

Information Technologies GmbH

Munzinger Str. 3 D-79111 Freiburg, Germany Tel.+49(0)7614543-0 Fax:+49(0)7614543-233

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1 General Introduction_______________________________________________7 2 General Overview of the Dash Responder ______________________________9

GE Medical Systems Instrument Part Numbers _______________________________9

Configuration of Instrument Part Numbers __________________________________________ 9 Configuration of the PCB Part Numbers ____________________________________________ 9 Instrument status documentation __________________________________________________ 9

Instrument Versions of the Dash Responder __________________________________9

3 General Description_______________________________________________10

Dash Responder Block Diagram ___________________________________________10 Dash Responder Device___________________________________________________10 PCB Analog ____________________________________________________________10

Block Diagram _______________________________________________________________ 10

PCB Digital ____________________________________________________________11

Block Diagram _______________________________________________________________ 11

PCB Power Management _________________________________________________12

Block Diagram _______________________________________________________________ 12

PCB Pacer _____________________________________________________________13

Block Diagram _______________________________________________________________ 13

Battery ________________________________________________________________14 Batteries 2009218-001, 2009219-001 ________________________________________14

Battery conditioning___________________________________________________________ 16 Defective Battery _____________________________________________________________ 17 Battery replacement ___________________________________________________________ 17

4 Service Tool _____________________________________________________18

Software Download Information ___________________________________________18 Installation_____________________________________________________________19 Software Download ______________________________________________________19 Calibration_____________________________________________________________20 Monitor Interface test____________________________________________________21

Installation __________________________________________________________________ 21 Interface Test ________________________________________________________________ 22

5 Service Menu ____________________________________________________23

User configurable settings_________________________________________________23 Structure of the Service Menu _____________________________________________23

6 Replacing PCBs__________________________________________________26

Safety Information for Disassembly ________________________________________26 Disassembly Procedure___________________________________________________26

Opening Unit ________________________________________________________________ 26 Analog PCB _________________________________________________________________ 26 Digital PCB _________________________________________________________________ 28 Pacer PCB __________________________________________________________________ 29 Power Management PCB / Battery Case ___________________________________________ 30 High-Voltage Capacitor ________________________________________________________ 32

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7 Troubleshooting Tips______________________________________________33

Electrostatic Discharge (ESD) _____________________________________________33

CMOS Components ___________________________________________________________ 33 Special Components___________________________________________________________ 33 Battery Failure _______________________________________________________________ 34

8 Error Messages and System Information______________________________36

Messages_______________________________________________________________36 Error Numbers _________________________________________________________37

9 Pin Configuration ________________________________________________38

External Connections ____________________________________________________38

Paddle Input Connector ________________________________________________________ 38 Monitor Connector____________________________________________________________ 39 Battery Connector ____________________________________________________________ 40

Internal Connections_____________________________________________________40

Digital P CB _________________________________________________________________ 40 Analog PCB _________________________________________________________________ 47 Power Management PCB _______________________________________________________ 49 Pacer PCB __________________________________________________________________ 49

10 Technical Specification __________________________________________50

Operating Modes________________________________________________________50 Energy Selection ________________________________________________________50 Defibrillator Charging ___________________________________________________50 Defibrillation Shock _____________________________________________________50 Discharge Circuit________________________________________________________51 Defibrillation Pulse Output _______________________________________________51 Safety Discharge ________________________________________________________51 Test Features ___________________________________________________________51 Synchronization_________________________________________________________52 Pacemaker _____________________________________________________________52 Power Supply___________________________________________________________52 Operational Readiness ___________________________________________________52 Operating Position_______________________________________________________52 Type of Protection_______________________________________________________52 Environment ___________________________________________________________52

Operation ___________________________________________________________________ 52 Transport and Storage _________________________________________________________ 53

Dimensions_____________________________________________________________53 Weight ________________________________________________________________53 Environmental Tests _____________________________________________________53

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11 Maintenance and Technical Inspection _____________________________54

Schedule _______________________________________________________________54 Manufacturer Responsibility ______________________________________________54 Visual Inspection ________________________________________________________54 General Cleaning________________________________________________________54 Checkout Procedures ____________________________________________________55 Testing Equipment ______________________________________________________55 Performance test ________________________________________________________56

Power up test ________________________________________________________________ 56 Key Test ____________________________________________________________________ 56 Display Test _________________________________________________________________ 57 Detection of internal Electrodes__________________________________________________ 57 Discharge and speaker test ______________________________________________________ 57 Pacemaker test _______________________________________________________________ 58 Defib Function Test and Pacer Option Test _________________________________________ 59 Battery conditioning te st _______________________________________________________ 59

12 Electrical Safety Tests ___________________________________________61

Patient (Sink) Leakage Current Test________________________________________62

13 Spare Parts List ________________________________________________64 14 Master Record Index (see Appendix) _______________________________69 15 Circuit Diagrams (see Appendix)___________________________________71

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REFERENCES Reference Document Title

[UM] User Manual for Dash Responder Version 1.0 Rev. A (2002853-002-A) [Lang] Languages of Dash Responder Version 1

Revision History

This manual is subject to the GE Medical Systems Information Technologies change order service. The revision code, a letter that follows the document part number, changes with every update of the manual. The initial version of the manual has the letter A.

Part No. Revision Code Date Comment

2004768-001 V 0.1 2001-03 Draft 2004768-001 Rev. A 2001-05 Release A 2004768-001 Rev. B 2001-07 ECO 067557 2004768-001 Rev C 2001-09 ECO 067925 2004768-001 Rev D 2002-12 ECO 070336 2004768-001 Rev E 2004-01 ECO 075782 2004768-001 Rev F 2005-05 ECO 080823

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1 General Introduction

The Dash Responder is a lightweight, portable defibrillator which must be connected to a Dash 2000 or Dash 3000/4000 patient monitor for operation.

The Dash Responder is available with or without transcutaneous pacer. The Dash Responder is powered from a rechargeable battery which is inserted into t he device. A new

fully charged batter y provides power for approx. 60 shocks with 360 J each or for approx. 5 hours of pacemaker operation at an average pulse rate and pacer output (75 ppm, 100 mA).

The Dash Responder will not operate unless equipped with the battery. The battery charges automatically when the system (patient monitor and Dash Responder) is connected

to the power line and both devices are not turned on. When the devices are on, the battery will charge only when the Dash Responder does not require the full energy for operation the patient monitor is able to deliver.

The Dash 3000/4000 also charges the defibrillator battery when disconnected from power line. A separate, optional charging unit (ASU 3000) is available for battery charging.

1 2 3

T e

s t

Pacer On/Off

Dash Responder

transport defibrillator

Sync.

On/Off Charge

123

Energy Select J (50

Shock

Ω

)Charging Status

Pacer Mode

Pacer Pause

Rate (ppm)

Output (mA)

4 1211109876 135 1514

GE Medical Systems Information Technologies

D-79111 Freiburg

Munzinger Str. 3

Dash Responder

CAUTION

Defib Test 50 Ω

Refer to equipment

manual before

connencting to these connectors

16 17

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1 Button to unlock batter y for removal 2 Monitor connector 3 Locking lever 4 Battery with "Test" button and charge level indication

Sync. button with indicator to enable and disable the synchronized operating mode (when the

synchronized mode is enabled, the indicator is illuminated and goes off with each sync pulse)

6 Charging Status indicator

solid yellow: battery charging solid green: battery charged blinking yellow: charging error (replace battery) flashing green: battery conditioning program active

On/Off button to turn the defibrillator on and off (indicator is illuminated when the device is

turned on)

Energy Select buttons to select the defibrillation energy

Charge button to initiate defibrillator charging

Shock buttons to release the s hock when adhesive or internal electrodes are connected (both

buttons must be pressed simultaneously); the indicator lights up when the defibrillator is charged

Pacer Mode button to select the pacer operating mode (fixed rate, demand)

Pacer Pause button to suspend delivery of pacer pulses (without changing the pacer settings)

Pacer On/Off button with indicator to turn the pacemaker on and off (when the pacemaker is

enabled, the indicator is illuminated and goes off with each delivered pacer pulse)

Output (mA) button to change the pacer output current

Rate (ppm) button to change the pacer rate

16 Contacts for test discharge (possible only with adapter lead for adhesive defibrillation pads) 17 Connector for exchange of the defibrillation electrodes (switch off the device before exchanging

the electrodes!)

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2 General Overview of the Dash Responder

GE Medical Systems Instrument Part Numbers

Configuration of Instrument Part Numbers

The instrument part number comprises of ten digits, the first seven digits determine the instrument type and the last three—separated by a hyphen—the instrument version.

The user language is determined by configuration, thus is no part of the instrument number.

Configuration of the PCB Part Numbers

The number of the PCB is listed on the barcode label. The label can be seen on the PCB without dismounting.

As some PCBs need additional tests before they get delivered as field replacement boards, this boards and assemblies were given separate spare part numbers.

Therefore were special field replacement spare parts are available this need to be ordered (see Spare Parts List on page 64).

The affiliated documentation, e.g. reference diagrams, circuit diagrams and parts lists are listed under the part number of the PCB part number.

Instrument status documentation

Due to hardware and software combination, unambiguous documentation of the instrument assembly status is necessary also in event o f repairs.

Master Record Index

2002550-013 The master record index lists the valid configurations for the Dash Responder. Numbers for all

permissible components of t he device are listed. Spare part numbers are provided where available.

Instrument Versions of the Dash Responder

CAT No Description

2002550-001 DASH RESPONDER, MANUAL 2002550-002 DASH RESPONDER, MANUAL, PACER

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3 General Description

Dash Responder Block Diagram

from / to

Monitor

PCB

Monitor

Interface

Battery

PCB Pacer (device-variant)

Pace Control Security

PCB Battery

Managemet

Battery Managm.Control Charger Deep Discharge Protection Power switches On/Off Circuit

PCB Digital

Device- Control,

FLASH, SRAM, EEPROM,

DC/DC- Converter

PCB Analog

HV Generation HV Control Paddle Interface Shock Form EnergyMeasurement Pacer Interface Security

Test

Discharge

50 Ohm

from / to

Paddles

Module Interface

Keypad Interface

Display-

Interface

Sound-

Interface

PCB Keypad

Keypad

Display

Dash Responder Device

PCB Analog

Block Diagram

The PCB Analog provides the following functions:

• Charging of the High-Voltage Capacitor. The PIC-controllers initiate the charging of the high voltage capacitor to a voltage provided by the main software on the PCB digital. One PIC supervises the other during the charging to make sure, the selected voltage will not be exceeded. In the next charging cycle the PICs change place and the first is supervised by the second.

• Shock delivering and measuring of applied energy. The PIC-controllers initiate the switching of the relais to deliver the energy to the patient according

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to a command sequence of the main software. The energy which was delivered to the patient is measured and the value transfered to the main software.

Block Diagram PCB Analog (2002316-001)

Connectors

HV Generation

Shock Control

Paddle Connector Code Paddle Connector HV PCB Pacer HV Capacitor PCB Power Management

PCB Digital Speaker

PCB Digital

Block Diagram

The PCB Digital provides the following functions:

• Control of all subsystems (Powermanagement, Analog, Pacer).

• Display

The display is connected to the PCB Digital that contains a graphic controller.

• Keypad Any pressed keys are decoded by the PCB Digital and the LEDs on the keypad get illuminated under control of the PCB Digital.

• Sound generation The alarm sounds are generated and amplified on the PCB Digital by a sound chip.

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Block Diagram LPL Digital

Connectors

Status & Control I2C-Bus

Display Keypad Sound

PCB Powermanagement PCB Analog PCB Pacer (BDM)

Display (piggy back) Keypad (flex)

PCB Power Management

Block Diagram

The PCB Powermanagement provides following functions:

• Charging and Conditioning (Discharge / Charge-cycle) of the battery The battery gets charged if it n eeds to be and if energy is provided by a monitor connected to the Dash Responder. The PCB Powermanagement powers the device and guarantees that every remaining energy from the monitor is used to charge the battery, but the drawn current does not exceed the maximum current the monitor is able to deliver. During the conditioning cycle the battery gets fully depleted and afterwards fully recharged to regain the optimal energy level.

• Communication with the battery charge level monitoring system which is integrated in the battery In the service menu the energy level of the battery and the number of conditioning cycles are given.

• Unregulated P ower supply for subsystems The Powermanagement regulates the supply voltage to a value that the battery gets charged if needed and the supply current drawn from the monitor so that the maximum current is not exceeded.

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Block Diagram PCB Power Management

Connectors

Power Supply

Battery Charging/ Conditioning

Monitor PCB Digital PCB Analog

Battery Case

PCB Pacer

Block Diagram

The PCB Pacer provides following functions:

• Generation of floating HV The generated voltage level is sufficient to deliver any selected current level to the highest expectable patient resistance.

• Switched current source for pace pulses The pace pulse current is regulated by means of a programmable current source.

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Block Diagram PCB Pacer

Connectors

Pulse Generation

Pulse Control

PCB Analog

PCB Digital

Battery

The battery in the Dash Responder is a rechargeable NiCd battery with a charge level of 2000 mAh and nominal 12 Volt (10 cells).

The battery contains a charge level monitoring system to measure the remaining charge in the battery. By pressing the key on the battery front the actual charge level can be displayed.

Nevertheless, the displayed charge level provides no information about the quality and usability of the battery. A worn out battery may still possess its capacity but—as a result of an i ncreased internal resistance—is only partially operational in the defibrillator. The batteries should be periodically tested in the ASU 3000.

Batteries 2009219-001

General Information

Rechargeable batteries require special maintenance and continued checks to assure they function in emergency situations. It is normal for batteries of this type to self-discharge, even when the device is switched off or in storage. Furthermore, the battery capacity decreases with age: the storage capacity of older batteries is less than that of new batteries. By regular maintenance (charging and discharging at regular intervals) the battery service life can be considerably extended. Battery type 2009219-001 allows you to determine the charge level and capacity at any time. Furthermore, the LEDs on these batteries indicate

- the presence of a short-circuit (a distinction is made between a short-circuit in the device

(excessive current drain) and a short-circuit between battery cells),

- a display problem,

- the imminent shut-down of the display to protect the battery from over-discharging.

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Indication of charge level and capacity

LED charge capacity key to symbols

Test

100 % 100 % LED off

60 ... 80 % 100 % LED on

40 ... 60 % 100 % LED blinking slowly

20 ... 40 % 100 % LED blinking rapidly

6 ... 20 % 100 %

0 ...6 % 100 %

100 % < 80 %

100 % < 60 %

depleted,

display off

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Indication of short-circuit

LED what it means comment

short-circuit i n the device disconnect battery fro m device

short-circuit of battery cells battery defect, battery cannot be used any more

Fault indication

LED what it means comment

electronics fault perform rese t; if problem persists, battery

Perform reset

cannot be used any more

Test

For a reset, the TEST button needs to be pressed longer than 10 seconds. It is recommended to perform a reset each time a fault is indicated. If the fault indication persists, the battery is defective and cannot be used any more.

> 10 s

Automatic shut-dow n of the display ( protection from deep discharging)

To protect the battery from deep discharging, the display shuts down automatically. The imminent shut-down is indicated by running lights, with each of the 5 LEDs blinking in sequence for about 1 second. The display reactivates automatically when the battery is being charged.

Battery conditioning

The battery should be conditioned with the internal battery conditioning program or with the optional battery charging unit ASU 3000 every month. As t he ASU 3000 is a specially designed battery charging unit that has a definite conditioning mechanism, it is advisable to use it to condition the battery. Furthermore the conditioning cycle will last about twenty-one hours if performed in the defibrillator and only five hours in the ASU 3000.

NOTE

Since the battery will be discharged in the course of the program and the program takes several hours to complete, a second charged battery must be available to ensure that the defibrillator is ready for use.

The conditioning program can only be run when the defibrillator is connected to the patient monitor and the monitor, in turn, is connected to the power line.

Start of Conditioning

• Connect the monitor-defibrillator system to the power line.

• Turn the defibrillator on.

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• Display the main setup menu by simultaneously pressing the two E

NERGY SELECT keys (at least 2

seconds).

• Use the E

HARGE key.

The S

ERVICE MODE menu appears.

• Select B

NERGY SELECT key to highlight SERVICE MODE and confirm the selection with the

ATT COND with ENERGY SELECT key and confirm with CHARGE key.

You will see the battery conditioning menu.

• Select C

OND START with ENERGY SELECT key and initiate the conditioning program with CHARGE

key.

These are the steps of the conditioning program:

the Dash Responder switches off, the battery charges (up to about seven hours, depending on the initial energy level), the green

LED blinks, the yellow LED is solid on the battery discharges (seven hours), the green LED blinks, the yellow LED is off the battery charges (about seven hours), the green LED blinks, the yellow LED is solid on

The two C

HARGINGSTATUS indicators signal the steps of the conditioning program:

green LED yellow LED conditioning program step

blinks on battery charging

blinks off battery discharging

blinks blinks charging error (defective

battery)

In the course of the program you can display the battery conditioning menu at any time to view the battery status or to stop the program.

• Turn on the defibrillator to display the battery conditioning menu.

The battery status is not updated automatically when the battery conditioning menu is displayed; for displaying a new status leave and enter again the conditioning menu.

Defective Battery

As soon as the battery quality (“F/NEW”) drops to 60% or less, the battery must be replaced by a new one.

Battery replacement

NiCd batteries have a limited service life time as their storage capacity deteriorates with age. For this reason, the battery must be replaced every 2 years.

Note

Disposal Notice: Should this product (battery) become damaged beyond repair, or for some reason its useful life is considered to be at an end, please observe all local, state, and federal regulation that relate to the disposal of products that contain lead, batteries, plastics, etc.

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4 Service Tool

This Service Tool is suitable for testing of the Dash Responder and Dash Monitor separately, further for software download and calibration of the Dash Responder.

Software Download Information

The product software for the Dash Responder can be loaded into the flash memory by means of a PC or laptop. This requires the Dash Responder Service kit, a complete set for download, calibration and test.

The kit (2006861-001) can be ordered from GE Medical Systems, please contact your local distributor; it includes

1. software diskette,

2. DRST-Box (2005378-001) for adaptation,

3. DCpower supply (2000300-001),

4. PC cable assembly (223 362 03).

Additional you need

• power cord for the power supply

• PC/laptop with

• Microsoft Windows 95 / 98 / NT / Windows 2000 or W indows Millennium.

• RS-232C serial port (COM).

• 3.5-inch floppy drive

When updating to a newer software version, please order the corresponding User Manual separately. (see Spare Parts List on page 64)

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For authorized dealers (password required) the software download can be carried out via the following Internet address:

http://213.164.65.40/octodata/osmh21.nsf/$start/homepage

Important servicing information:

1. Before loading a new software write down the actua l device, defib and pacer setup (see User configurable settings on page 23).

2. After replacing any of the PCBs’, energy calibration has to be done. (For more details see Section Calibration on page 20).

Installation

1. Create a directory on your hard disk (e.g., stools) and copy the service program 'drst.exe' into this directory as well as the software file(s) (*.hex) for the p roduct software.

2. Attach the DRST-Box to the Dash Responder instead of a Dash Monitor.

3. Connect the power supply and the serial cable to the DRST-Box. The other end of the serial cable should fit into a free COM-port of your PC. You may need a standard 9pin/25pin adapter if the PC has a 25-pin socket COM.

4. The application software for the Dash Responder comes on a separate floppy disk.

Software Download

1. The product software must be available in the same directory as 'DRST.exe'.

2. Check at the DRST-Box that

• the LED P

• the Switch '9-18V' is ON.

3. Read out all user specific setup and write it down (see User configurable settings on page 23).

Start the Bootloader following these steps

• Switch off the defib

• Hold down the C

• Press and release the O

• Release the C

LED are blinking alternately.

• Start 'DRST.exe' on the PC and select the serial interface (COM 1…4) you chose to

connect the Das h Responder. If the connection is correct, ‘R

4. Nowselect the desired software in the download window (*.hex) and click on ‘D After successful installation of the software (duration about 3 minutes), the message ‘E

DOWNLOAD

5. Enter the previous setup (see User configurable settings on page 23).

ERIPRESENT is ON and

HARGE and left SHOCK key simultaneously.

N/OFF key.

HARGE and the left SHOCK keys simultaneously when the SYNC LED and SHOCK

ESPONDER FOUND’ is displayed.

OWNLOAD’.

’ appears in the bottom line of the service tool window. The Dash Responder restarts.

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Calibration

The accuracy of the shock energy measurement needs to be checked on a regular basis (see Maintenance and Technical Inspection on page 54) and after any replacements of PCBs or update of the software.

CAUTION

No more than 16 shocks can be applied without a pause of about 15 minutes afterwards to avoid overheating of the device!

Check the current calibration first: Apply two shocks with each 50 J, 100 J and 360 J to a calibrated defibtester (e.g. DNI Nevada Inc.). If

any of the delivered energy values deviates for more than ± 5% from the chosen value calibration is required.

The calibration p rocedure requires

• Dash Responder Service kit (2006861-001)

• PC/Laptop

• calibrated defibtester with energy display (e.g. DNI Nevada Inc.)

• hard paddles or the adapter cable for the adhesive paddles which are suitable for the used

defibtester.

NOTE

The charge level of the battery should be sufficient for several shocks.

The following steps describe how to calibrate the Dash Responder

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(

)

Information Technologies

1. Connect the DRST-Box to the Dash Responder and the PC (COM 1 - 4).

Check at the DRST-Box that

• the LED 'P

ERIPRESENT'isONand

• the Switch '9-18V' is OFF for software version V 1.0

• the Switch '9-18 V' is ON for software version V1.01 and higher versions

2. Switch ON the defib. Enter MAIN MENU by pressing both E S

ERVICE MODE -> SERVICE TOOLS -> CALIBR.

NERGY SELECTkeys simultaneously for 2 sec. Select

3. Start the program 'DRST.exe' on the PC, select the 'Calibration' sheet and the serial interface you chose to connect the Dash Responder. If the connection is correct, ‘D

ASH RESPONDER FOUND’

is displayed.

4. Now deliver a 360 J shock into the defibtester.

It is important to shock immediately after charging (sound indicator)!

5. Read the measured energy value from t he defibtester, calculate

_360

valuenew

valueenergyJ

and enter the calculated new_value into the window ‘MEASURED ENERGY’nexttothe ‘C

ALIBRATE’keyandclickonthe‘CALIBRATE’ key. The message ‘WAITING FOR SECOND SHOCK’

appears.

6. The 2

shock is now delivered to the defibtester, then the energy calculated as above has to be entered into the window ‘M by the Dash Responder by clicking on the ‘C

EASURED ENERGY’nexttothe‘CALIBRATE’ key. This value is adopted

ALIBRATE’ key. The message ‘START CALIBRATION’

appears for approx. 1 seconds followed by the message ‘E

ND CALIBRATION’.

7. Exit S

ERVICE MODE:

Select E

XIT CALIBR ->MAIN MENU

IMPORTANT NOTE

Select SAVE &EXIT if you want to save the calibration values or E

XIT for not changing the calibration.

8. Restart the defib with the ON/OFF key.

CAUTION

If calibration should not be possible (defibrillator does not charge up) due to an incorrect entry (message ‘I

NCORRECT CALIBRATION FACTOR ...’ occurs), press the reset button and repeat the

calibration.

Evaluate the results of the calibration with energy levels of 50 J, 100 J and 360 J.. The accuracy levels that must be gained are listed in the table Accuracy of Shock Energy on page 57.

Monitor Interface test

The Monitor Interface can be tested without a Monitor (if not available or not read y) using the service tool kit Dash and a PC/Laptop (see Software Download Information on page 18).

Installation

1. Create a directory on your hard disk and copy the service program 'DRTest.exe' into this directory.

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2. Attach the DRST-Box to the Dash Responder instead of a Dash Monitor.

Interface Test

Switch off the Dash Responder.

• Start the test by executing 'DRTest.exe'.

Follow the steps in the instruction window.

NOTE

The pushbuttons 'MONITOR POWER'and'START COMMUNICATION TEST' are on the right side of the window.

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5 Service Menu

The SERVICE MENU can be reached by pressing the ENERGY SELECT keys simultaneously for at least two seconds.

User configurable settings

Some settings of the Dash Responder are configurable to meet the user’s requirements. The settings can be made in the Service Menu and comprise following values:

• Volume of the alarm sound S

ERVICE MODE /DEVICE SETUP /ALARM <LOW |MEDIUM |HIGH>

• Automatic shutdown S

ERVICE MODE /DEVICE SETUP /SHUTD <ON |OFF>

• User Language S

ERVICE MODE /DEVICE SETUP /LANGUAGE <ENGLISH |DEUTSCH |…>

• Autosequence of defib shocks

ERVICE MODE /DEFIB SETUP /LEVEL1 <150 J | 200J | 300 J | 360 J>

S S

ERVICE MODE /DEFIB SETUP /LEVEL2 <150 J | 200J | 300 J | 360 J>

ERVICE MODE /DEFIB SETUP /LEVEL3 <150 J | 200J | 300 J | 360 J>

• Pacer Rate

ERVICE MODE /PACER SETUP /RATE < 30 … 200 PPM>

Component Test Service Mode / Comp Test

Keyboard Test S

ERVICE MODE /COMP TEST /KEY TEST

Press the keys for at least one second

Structure of the Service Menu

Main Service Menu

DEVICE

SETUP

SERVICE

MODE

Device Setup

EFIB

D SETUP

SETUP

XIT SAVE &

ACER

XIT

MAIN

SHUTD <OFF>

ISPLAY

SETUP

ANG

UAGE

LARM

A <LOW>

ACT

SETT

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Defib Autosequence Setup

MAIN

LEVEL1

<200J>

Pacer Setup

MAIN

Service Mode

MAIN

LEVEL2 <200J>

ATE:

<60PPM>

LEVEL3 <360J>

BATT

COND

ERVICE

TOOLS

OMP

TEST

Display Setup

MAIN

CKLIT:

∇ ∆

CONTR:

∇ ∆

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Language Setup

∆

∇

Battery Conditioning

NGLISH

DEUTSCH

FRANÇAIS

NEDERLANDS

ITALIANO ESPAÑOL SVENSKA

MAIN

COND

START

Service Tools

MAIN

Component Test

FULL <2346mAh> R

EM <2240mAh>

F/N

OWNLD

EW <122%>

OND <1>

S/W

ALIBR

MAIN

LCD TEST

TEST

P FILE

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6 Replacing PCBs

Safety Information for Disassembly

Please observe the following safety information when disassembling the defibrillator. All PCBs contain semiconductors which must be protected from electrostatic discharge. When

working on open devices and when handling PCBs, it is important to observe ESD safety precautions. Please read also the paragraph Electrostatic Discharge (ESD) on page 33. It is especially important that service personnel always establish contact between the PCB and ground before touching a component.

Use the following ESD protection guidelines when working on an open defibrillator or when handling PCBs.

• Use an ESD protective underlay connected to a non-fused earth conductor potential.

• Connect yourself to the ESD protective underlay via an armband.

• Use an ESD protective travel bag to transport PCBs.

The following tools may be required for disassembling the unit:

• Goose-necked tweezers

• Phillips Screwdriver, Type “Phillips-recess” sizes 0, 1 and 2

• Swivel wrench 7 mm for hexagonal spacers

• ESD packaging for PCBs

• ESD underlay with armband

NOTE

The Checkout Procedures and Electrical Safety Tests must be performed each time the device has been opened, a circuit board is removed or replaced.

Disassembly Procedure

Before any service interventions, turn off the device and remove the battery.

Opening Unit

To open the unit, do the following:

• Lay the defibrillator upside down on a clean, level surface (ESD pad) which is placed on a soft material.

• Undo the 4 buried screws on the bottom beneath the feet of the device to dismount the upper and the lower shell of the case.

• Turn the device upright again and lift off the upper shell of the case. This can be done by lifting the shell at the back by a small amount and pull it to the front until the front shell disconnects from the lower shell. Then turn the upper shell to the right and thereby open the device.

• Disconnect the connectors of the Analog PCB and the Pacer PCB.

Analog PCB

Disassembling

• Disconnect the two connectors to the paddle connector on the rear of the unit. One connector (PC/) is located at the left side of the air coil (L506) the other one (SHOCK_P/, SHOCK_M/) is

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located at the right side of the coil. SHOCK_P/ and SHOCK_M/ should first be lifted with a goose-necked tweezers to loosen them and afterwards disconnected.

• Disconnect the connectors to the HV-Capacitor.

CAUTION

Short circuit the capacitor as long as it is not in use, because it can show up a lethal voltage after a certain amount of time if not short circuited.

• Cut the two cable ties that fix the HV-Capacitor and remove the Capacitor.

• Undo the seven screws on the Analog PCB. Remember that the two screws that mount the air coil

are a little bit longer than the others.

• Remove the Analog PCB and put in a ESD packing.

CAUTION

Don’t handle the Analog PCB on the air coil (L506), otherwise its thin wires could break.

Reassembling

• To reassemble the Analog PCB follow the steps mentioned in the assembling description in reverse order.

• Remember the two screws fixing the air coil are a little bit longer than the other five that fix the PCB.

• When reassembling the HV-Capacitor make sure the insulation foil is properly placed. The foil has to be wrapped around the capacitor so that the joint is located in the middle of the lower side of the capacitor.

• Fasten the capacitor on the bracket with two cable ties (360mm * 7,5mm).

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Digital PCB

Disassembling

NOTE

The Power Management PCB / Battery Case and the Pacer PCB have to be removed before removing the Digital PCB (see disassembly procedure for Power Management PCB / Battery Case on page 30 and disassembly procedure for Pacer PCB on page 29). Otherwise no access to all screws is possible.

• Undo the big screws to dismount the front from the upper case shell.

• Disconnect the flex flat cable to the keypad. Be careful not to crack the flex cable!

• Undo the screw of the Digital PCB to remove the PCB.

• The display can be removed from the Digital PCB and replaced by a new one.

Reassembling

• Connect the Digital PCB with the front case shell by inserting the pins of the display connector in the socket on the Digital PCB. Be careful not to bend any of the pins.

• FixthePCBwithitsthreescrews.

• Connect the flex flat cable to the keypad. This can best be done with a goose-necked tweezers.

Make sure to fasten the actuator properly.

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Pacer PCB

Disassembling

CAUTION

Wait a few minutes before dismounting the Pacer after it has been in use, because it can hold a harmful voltage for several minutes.

• Disconnect all connectors to the Pacer PCB.

• Undo the two screws that fix the Pacer PCB to the upper case shell.

• Undo the two screws that fix the Power Management PCB to the upper case shell near the Pacer

PCB.

• Undo the two screws that fix the battery case as well as the Pacer PCB to the case shell.

• Lift up the battery case from the upper shell of the case and pull out the Pacer PCB under the

battery case.

Reassembling

• First remove the four screws that fix the battery case / Power Management PCB to the upper case shell on the back of the battery case.

• Loosen the scre w that fix the battery case to the upper case shell that is located beneath the unlock button of the battery. This screw also fixes the EMC-foil of the Power Management PCB to the upper case shell.

• Reach into the battery case with one hand and lift it at its back so that the Pacer PCB can be pushed under the bolts of the battery case.

• Mount the Pacer PCB with the screws to the upper case shell.

• Remount and fasten the screws of the Power Management PCB.

• Connect the flat ribbon cable from Digital PCB to Pacer PCB.

• Make sure the flex flat cable of the monitor connector receptacle didn’t get loose during mounting

the Pacer PCB. Reconnect and fasten it if necessary.

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Power Management PCB / Battery Case

Disassembling

• To dismount the Power Management PCB the monitor connector receptacle must b e removed first.

• Carefully disconnect the flat flex cable to the monitor connector. The flat flex cable is locked in

the socket. Loose this actuator by lifting it on both sides with a goose-necked t weezers. Don’t bend the cable to avoid cracks in the wires!

• Undo the screw that fix the monitor connector receptacle to the upper case s hell. Carefully remember the orientation o f the flat flex cable versus the receptacle. Pay attention to the orientation of the contacts on the flex flat cable in regard of the socket on the Power Management PCB. The contacts are located on the side which is opposite to the battery case. In this orientation the cable must be reassembled later.

• Remove the monitor connector receptacle.

• Disconnect the cable to the Analog PCB and the flat ribbon cable to the Digital PCB.

• Undo the screws of the battery case and the hexagonal threaded bolt. Undo the three countersunk

screws on the front of the battery case. Remember the different lengths of the screws.

• Remove the whole battery case with the Power Management PCB mounted on it.

• The Power Management PCB can not be removed from the battery case. The spare part consists of

the Power Management PCB mounted on a new battery case.

Reassembling

NOTE

Before reassembling the Power Management PCB the Digital PCB should be reassembled.

• To reassemble the Power Management PCB the monitor connector receptacle has to be reassembled first.

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