ZOLL M Series User manual

9650-0450-01 Rev K
SERVICE MANUAL
ZOLL MEDICAL CORPORATION

Zoll Medical Corporation, 2001. All rights reserved.
Warranty (U.S. Only)
(a) ZOLL Medical Corporation warrants to the original equipment purchaser that beginning on the date of installation, or thirty (30) days after the date of shipment from
ZOLL Medical Corporation's facility, whichever first occurs, the equipment (other than accessories and electrodes) will be free from defects in material and workmanship
under normal use and service for the period of one (1) year. During such period ZOLL Medical Corporation will, at no charge to the customer, either repair or replace (at
ZOLL Medical Corporation's sole option) any part of the equipment found by ZOLL Medical Corporation to be defective in material or workmanship. If ZOLL Medical
Corporation's inspection detects no defects in material or workmanship, ZOLL Medical Corporation's regular service charges shall apply. (b) ZOLL Medical Corporation
shall not be responsible for any equipment defect, the failure of the equipment to perform any function, or any other nonconformance of the equipment, caused by or
attributable to: (i) any modification of the equipment by the customer, unless such modification is made with the prior written approval of ZOLL Medical Corporation; (ii)
the use of the equipment with any associated or complementary equipment, (iii) installation or wiring of the equipment other than in accordance with ZOLL Medical
Corporation's instructions. (c) This warranty does not cover items subject to normal wear and burnout during use, including but not limited to lamps, fuses, batteries, patient
cables and accessories. (d) The foregoing warranty constitutes the exclusive remedy of the customer and the exclusive liability of ZOLL Medical Corporation for any
breach of any warranty related to the equipment supplied hereunder. (e) Limitation of Liability: ZOLL shall not in any event be liable to Purchaser, nor shall Purchaser
recover, for special, incidental or consequential damages resulting from any breach of warranty, failure of essential purpose, or under any other legal theory including but
not limited to lost profits, lost savings, downtime, goodwill, damage to or replacement of equipment and property, even if ZOLL has been advised of the possibility of such
damages.
THE WARRANTY SET FORTH HEREIN IS EXCLUSIVE AND ZOLL MEDICAL CORPORATION EXPRESSLY DISCLAIMS ALL OTHER WARRANTIES
WHETHER WRITTEN, ORAL, IMPLIED, OR STATUTORY, INCLUDING BUT NOT LIMITED TO ANY WARRANTIES OF MERCHANTABILITY OR FITNESS
FOR A PARTICULAR PURPOSE.
For additional information, please call ZOLL Medical Corporation at 1-800-348-9011 (in Massachusetts: 1-781-229-0020). International customers should call the nearest
authorized ZOLL Medical Corporation service center.
Software License
Read this License agreement carefully before operating any of the M Series products.
Software incorporated into the system is protected by copyright laws and international copyright treaties as well as other intellectual property laws and treaties. This
software is licensed, not sold. By taking delivery of and using this system, the Purchaser signifies agreement to and acceptance of the following terms and conditions:
Grant of License: In consideration of payment of the software license fee which is part of the price paid for this product ZOLL Medical Corporation grants the Purchaser
a non-exclusive license, without right to sublicense, to use the system software in object-code form only.
Ownership of Software/Firmware: Title to, ownership of and all rights and interests in the system software and all copies thereof remain at all times vested in the
manufacturer, and Licensors to ZOLL Medical Corporation and they do not pass to Purchaser.
Assignment: Purchaser agrees not to assign, sub-license or otherwise transfer or share its rights under the license without the express written permission of ZOLL Medical
Corporation.
Use Restrictions: As the Purchaser, you may physically transfer the products from one location to another provided that the software/firmware is not copied. You may not
disclose, publish, translate, release or distribute copies of the software/firmware to others. You may not modify, adapt, translate, reverse engineer, decompile, crosscompile,
disassemble or create derivative works based on the software/firmware.
No Implied License
Possession or purchase of this device does not convey any express or implied license to use the device with replacement parts which would, alone, or in combination with
this device, fall within the scope of one or more of the patents relating to this device.

Warranty (U.S. Only) ...........................................................................................................................................................................2
Software License ..................................................................................................................................................................................2
CHAPTER 1 PREFACE ................................................................................................................................................................... I
Overview .............................................................................................................................................................................................. i
Safety Considerations ........................................................................................................................................................................... i
Additional Reference Material ............................................................................................................................................................ ii
Conventions ........................................................................................................................................................................................ iii
Service Policy Warranty ..................................................................................................................................................................... iii
Technical Service ............................................................................................................................................................................... iii
Technical Service for International Customers .................................................................................................................................. iv
CHAPTER 1 CHAPTER 1 ...............................................................................................................................................................1
CHAPTER 1 MAINTENANCE TESTS .............................................................................................................................................1
Overview ..............................................................................................................................................................................................1
Before You Begin the Maintenance Tests ............................................................................................................................................2
Equipment You Need to Perform the Maintenance Tests ....................................................................................................................2
Equipment You Need for the M Series Options Maintenance Tests ....................................................................................................3
CHAPTER 2CHAPTER 2 ..............................................................................................................................................................39
CHAPTER 2TROUBLESHOOTING ................................................................................................................................................39
Overview ............................................................................................................................................................................................39
Troubleshooting ..................................................................................................................................................................................40
Zoll M Series Error Messages ............................................................................................................................................................44
CHAPTER 3DISASSEMBLY PROCEDURES ..................................................................................................................................61
Overview ............................................................................................................................................................................................61
Equipment You Need for the Disassembly Procedures ......................................................................................................................62
Safety Precautions You Need to Take ................................................................................................................................................63
Overview of Modules .........................................................................................................................................................................64
TABLE OF CONTENTS

1. Removing the ZIF Keeper ..............................................................................................................................................................66
2. Removing the Front Panel ..............................................................................................................................................................67
2A. Removing the Display .................................................................................................................................................................68
2B. Removing the Control Board .......................................................................................................................................................69
2B. Removing the Control Board (Continued) ...................................................................................................................................70
3. Removing the Upper Housing Assembly .......................................................................................................................................71
4. Removing the System Board Assembly .........................................................................................................................................72
4. Removing the System Board Assembly (Continued) .....................................................................................................................73
5. Removing the Battery Interconnect Board Assembly ....................................................................................................................74
6. Removing the High Voltage/Charger Assembly ............................................................................................................................75
6. Removing the High Voltage/Charger Assembly (Continued) ........................................................................................................76
7. Removing the High Voltage Module Assembly .............................................................................................................................77
8. Removing the High Voltage Capacitor Assembly .........................................................................................................................78
9. Removing the System Interconnect Board .....................................................................................................................................79
10. Removing the Printer/Recorder Motor .........................................................................................................................................80
11. Removing the Lower Housing Assembly .....................................................................................................................................81
12. Removing the Print Head Assembly ............................................................................................................................................82
13. Removing the PCMCIA Card Slot Assembly ..............................................................................................................................83
14. Removing the Paddle Release Latch ............................................................................................................................................84
CHAPTER 1 CHAPTER 4 ........................................................................................................................................................85
CHAPTER 1 REPLACEMENT PARTS ...........................................................................................................................................85
Overview ............................................................................................................................................................................................85
Replacement Parts ..............................................................................................................................................................................86
Field Replacement Parts .....................................................................................................................................................................90
CHAPTER 4 ............................................................................................................................................................. CHAPTER 5 93
CHAPTER 4FUNCTIONAL DESCRIPTION ...................................................................................................................................93
Overview ............................................................................................................................................................................................93
Main System Board ............................................................................................................................................................................94
Main System Board Functions ...........................................................................................................................................................96
Power Supply ......................................................................................................................................................................................98
ECG Front End ...................................................................................................................................................................................99
Multifunction Electrode (MFE)/PADS (System Board and High Voltage Module) .........................................................................99
CPU and EPU .....................................................................................................................................................................................99

High Voltage Module .......................................................................................................................................................................100
Defibrillator Charging and Discharging ...........................................................................................................................................101
High Voltage Capacitor Monitor ......................................................................................................................................................102
Pacer/Defibrillator Control Signals ..................................................................................................................................................103
AC/DC Charger Module ...................................................................................................................................................................105
Internal Discharge Resistor Module .................................................................................................................................................105
AC/DC Charger Module ...................................................................................................................................................................105
System Interconnect Module ............................................................................................................................................................106
Stripchart Recorder ...........................................................................................................................................................................106
PCMCIA Slots ..................................................................................................................................................................................106
Front Panel and Controls PWBA ......................................................................................................................................................106
M Series Options ..............................................................................................................................................................................107
Isolated Power Supply Module .........................................................................................................................................................107
12 Lead Option .................................................................................................................................................................................107
Pulse Oximetry (SpO2) ....................................................................................................................................................................108
End Tidal Carbon Dioxide (EtCO2) .................................................................................................................................................108
Biphasic Waveform ..........................................................................................................................................................................109
CHAPTER 1INDEX .....................................................................................................................................................................113
CHAPTER 4APPENDIX ..............................................................................................................................................................117
Overview ..........................................................................................................................................................................................117
Interconnect Diagram for M Series Monophasic Unit .....................................................................................................................118
Interconnect Diagram for M Series Biphasic Unit ...........................................................................................................................119

M Series Service Manual
i
Preface
Overview
ZOLL Medical Corporation’s M Series Service Manual is intended for the service technician whose responsibility is
to identify malfunctions and/or make repairs at the subassembly level. The Zoll M Series Service Manual has five main
sections and one appendix.
Preface—Contains safety warnings and an overview of the manual’s contents. Be sure to review this section
thoroughly before attempting to use or service the M Series unit.
Chapter 1—Maintenance Tests explains how to check the defibrillator’s performance using a series of
recommended checkout procedures to be conducted every six months.
Chapter 2—Troubleshooting provides a listing of the procedures and error messages to help the service technician
detect faults and repair them.
Chapter 3—Disassembly Procedures describes step-by-step procedures for removing subassemblies from the M
Series unit.
Chapter 4—Replacement Parts List displays a complete list of ZOLL part numbers for field replaceable parts
available for the M Series, allowing the service person to identify and order replacement parts from ZOLL.
Chapter 5—Functional Description provides technical descriptions for the M Series major subassembly modules.
Appendix A—M Series Operator’s Manual.
Safety Considerations
The following section describes general warnings and safety considerations for operators and patients. Service
technicians should review the safety considerations prior to servicing any equipment and read the manual carefully
before attempting to disassemble the unit. Only qualified personnel should service the M Series unit.
Federal (U.S.A.) law restricts this unit for use by or on the order of a physician.

M Series Service Manual
ii
Safety and effectiveness data submitted by ZOLL Medical Corporation to the Food and Drug Administration (FDA)
under section 510(K) of the Medical Device Act to obtain approval to market is based upon the use of ZOLL
accessories such as disposable electrodes, patient cables and batteries. The use of external pacing/defibrillation
electrodes and adapter units from sources other than ZOLL is not recommended. ZOLL makes no representations or
warranties regarding the performance or effectiveness of its products when used in conjunction with pacing/
defibrillation electrodes and adapter units from other sources. If unit failure is attributable to pacing/defibrillation
electrodes or adapter units not manufactured by ZOLL, this may void ZOLL's warranty.
Only qualified personnel should disassemble the M Series unit.
WARNING! This unit can generate up to 4500 volts with sufficient current to cause lethal shocks.
All persons near the equipment must be warned to “STAND CLEAR” prior to discharging the defibrillator.
Do not discharge the unit’s internal energy more than three times in one minute or damage to the unit may result.
Do not discharge a battery pack except in a Base PowerCharger4x4 or compatible ZOLL Battery Charging/Testing
unit.
Do not use the M Series in the presence of flammable agents (such as gasoline), oxygen-rich atmospheres, or
flammable anesthetics. Using the unit near the site of a gasoline spill may cause an explosion.
Do not use the unit near or within puddles of water.
NOTE The M Series is protected against interference from radio frequency emissions typical of two-way radios and cellular
phones (digital and analog) used in emergency service/public safety activities. Users of the M Series should assess the
unit’sperformance in their typicalenvironmentofuseforthe possibility ofradiofrequencyinterferencefrom high-
power sources. Radio Frequency Interference (RFI) may be observed as shifts in monitor baseline, trace compression,
or transient spikes on the display.
Additional Reference Material
In addition to this guide, there are several other components to the Zoll M Series documentation. They include:
•Operator’s Guide - A comprehensive reference work that describes all the user tasks needed to operate the M-
Series.

M Series Service Manual
iii
•Configuration Guide - Describes the M Series features and functions whose operation can be customized by
authorized users.
Conventions
WARNING! Warning statements describe conditions or actions that can result in personal injury or death.
CAUTION Caution statements describe conditions or actions that can result in damage to the unit.
NOTE Notes contain additional information on using the defibrillator.
Service Policy Warranty
In North America: Consult your purchasing agreement for terms and conditions associated with your warranty.
Outside of North America, consult ZOLL authorized representative.
In order to maintain this warranty, the instructions and procedures contained in this manual must be strictly followed.
For additional information, please call the ZOLL Technical Service Department 1-800-348-9011 in North America.
Technical Service
If the ZOLL M Series unit requires service, contact the ZOLL Technical Service Department:
Telephone: [phone]
Fax [phone]
Have the following information available for the Technical Service representative:
•Unit serial number.
•Description of the problem.
•Department where equipment is used.
•Sample chart recorder strips documenting the problem, if applicable.
•Purchase Order to allow tracking of loan equipment.

M Series Service Manual
iv
•Purchase Order for a unit with an expired warranty.
If the unit needs to be sent to ZOLL Medical Corporation, obtain a service order request number from the Technical
Service representative. Return the unit in its original container to:
ZOLL Medical Corporation
32 Second Avenue
Burlington, Massachusetts 01803-4420
Attn: Technical Service Department
Telephone: [phone] FAX: [phone] (International Fax Number: 781-272-5443)
Technical Service for International Customers
International customers should return the unit in its original container to the nearest authorized ZOLL Medical
Corporation Service Center. To locate an authorized service center, contact the International Sales Department at
ZOLL Medical at the above address.
Units are available on loan while your unit is being repaired.

M Series Service Manual
1
Chapter 1
Maintenance Tests
Overview
The M Series has two checkout procedures: the operator’s shift checklist and the extensive six-month maintenance
tests checkout procedures.
Because the M Series units must be maintained ready for immediate use, it is important for users to conduct the
Operator’s Shift Checklist procedure at the beginning of every shift. This procedure can be completed in a few minutes
and requires no additional test equipment. (See the ZOLL M Series Operator’s Guide for the Operator’s Shift
Checklist.)
A more thorough maintenance tests checkout needs to be performed by a qualified biomedical technician every six
months to evaluate that the functions of the M Series unit work properly. This chapter describes the step by step
procedures for doing the six month maintenance tests checkout. (See the Appendix of this manual for the ZOLL M
Series Maintenance Tests Checklist which you should photocopy.)
This chapter describes the following maintenance tests:
•Before You Begin the Maintenance Tests
•Equipment You Need For the Maintenance Tests
•1. Physical Inspection of the Unit
•2. Front Panel Button Test
•3. 3, 5, and 12 Leads Test
•4. Power Supply Test
•5. Leakage Current Test
•6. Paddles Test
•7. Heart Rate Display Test

M Series Service Manual
2
•8. Calibrating Pulses on Strip Chart Test
•9. Notch Filter Test
•10. Heart Rate Alarm Test
•11. Defibrillator Self Test
•12. Synchronized Cardioversion Test
•13. Shock Test
•14. Summary Report Test
•15. Advisory Message Test
•16. Pacer Test
•17. SpO2 Monitor Test
•18. EtCO2 Monitor Test
Before You Begin the Maintenance Tests
•Assemble the tools or specialized testing equipment listed in the “Equipment You Need to Perform the Maintenance
Tests” section shown below.
•Have an extra fully charged ZOLL M Series battery available.
•Schedule an hour to conduct the entire maintenance test.
•Photocopy the checklist in the appendix and use the copy to record your results. As you conduct each step of a
procedure, mark the Pass/Fail/NA check boxes on your checklist and then save it for your maintenance file.
•Do the tests in the order presented.
•Do all the steps of each test procedure.
•Complete all the steps of the procedure before evaluating the test results.
Equipment You Need to Perform the Maintenance Tests
For testing purposes, you can substitute an equivalent device.
•Zoll Medical Electrode Adapter from Dynatech Nevada Inc. (DNI part number 3010-0378).

M Series Service Manual
3
•Dynatech Impulse 4000 Defibrillator Analyzer with 1.06 software or higher.
•Bio-Tek® 601 Pro Series International Safety Analyzer.
•Bio-Tek® Index 2PFE SpO2Simulator or equivalent. (Only necessary for SpO2 units.)
•Novametrix Medical Systems, Inc. Capnostat Simulator TB1265/7100 or equivalent. (Only necessary for EtCO2
units.)
•ECG Simulator; 12 Lead Simulator for 12 Lead test (e.g., Symbio CS1201).
•Stop watch.
•Standard series II PC flash memory cards.
•PCMCIA card reader and PC.
•Zoll Data Control (ZDC) for Windows®software from Pinpoint Technologies, Version 1.5 or higher (no equivalent)
or Zoll Data Control (ZDC) for DOS software, Version 5.5 or higher (no equivalent).
•Phillips #1 screwdriver.
•Phillips #2 screwdriver.
•Flatblade screwdriver.
•Needle nose pliers without teeth.
•Orange (wooden) sticks.
Equipment You Need for the M Series Options Maintenance Tests
•SpO2 cable and sensor (if option is installed).
•EtCO2 cable and sensor (if option is installed).
•Paddles.
•Printer Paper.
•Battery.
•AC line cord.
•3 lead, 5 lead and 12 lead ECG cables. (12 lead cable needed if 12 lead option is installed.)

M Series Service Manual
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1.0 Physical Inspection of the Unit
Tools Needed None.
Te s t S e t u p None.
Observe this... Pass/Fail
1.1 Housing
Is the unit clean and undamaged? ❏ ❏
1.2 Does the unit show signs of excessive wear? ❏ ❏
1.3 Does the handle work properly? ❏ ❏
1.4 Does the recorder drawer open and close properly? ❏ ❏
1.5 Are input connectors clean and undamaged? ❏ ❏
1.6 Are there any cracks in the housing? ❏ ❏
1.7 Do the front panel or selector switches have any damage or cracks? ❏ ❏
1.8 Are there any loose housing parts? ❏ ❏
1.9 Do the paddle latches work properly? ❏ ❏
1.10 Paddles
Do the adult and pedi plates have major scratches or show signs of
damage?
❏ ❏
1.11 Do the adult shoes slide on and off easily to expose the covered pedi
plates? ❏ ❏
1.12 Are the paddles clean (e.g., free of gel) and undamaged? (if applicable) ❏ ❏

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1.13 Cables
Are all cables free of cracks, cuts, exposed or broken wires? ❏ ❏
1.14 Are all bend/strain reliefs undamaged and free of excessive cable wear? ❏ ❏
1.15 Battery
Is the ZOLL battery fully charged? ❏ ❏
1.16 Is the battery seated in the battery well correctly? ❏ ❏
Record your results on the Maintenance Test Checklist.
Observe this... Pass/Fail

M Series Service Manual
6
2.0 Front Panel Button Test
Tools Needed None.
Te s t S e t u p Do the following:
•Install strip chart paper into the recorder tray.
•Install the battery in the unit or connect the A/C power cord to the unit and then plug the cord into an electrical outlet.
•Connect the universal cable and ECG cable (3 lead, 5 lead, or 12 lead) to the ZOLL simulator, or Dynatech Impulse
4000 Analyzer (or equivalent).
Do this... Observe this... Pass/Fail/NA
2.1 Turn selector switch to
MONITOR (ON for AED).
NOTE: IF testing AED unit,
select MANUAL MODE.
Listen for 4 beep tones. PADS and MONITOR display on the
monitor.
NOTE: PADS is a factory default setting.
❏ ❏
2.2 Press the LEAD button;
three times for the 3 lead
cable and seven times for
the 5 lead cable.
Each time you press the LEAD button, a different lead number
appears under the LEAD heading on the display.
PADS, I, II, III will display a 3 lead ECG cable if connected or no
ECG cable is connected.
PADS, I, II, III, AVR, AVL, AVF, V1 will display a 5 lead ECG
cable.
❏ ❏
2.3 Connect the 12 lead cable to
unit and simulator. Press the
LEAD button and select the
lead for each of the 12 lead
settings.
A 12 Lead cable will display PADS, I, II, III, AVR, AVL, AVF,
VI, V2, V3, V4, V4, V5, V6. ❏ ❏ ❏

M Series Service Manual
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2.4 Set the simulator to NSR of
120 BPM. To check the size
of the ECG waveform,
press the SIZE button.
As you press the SIZE button five times (0.5, 1.0, 1.5, 2.0, 3.0),
note that the size of the ECG waveform appropriately changes on
the display.
❏ ❏ ❏
2.5 Press the ALARM
SUSPEND button.
Bell changes from disabled to enabled. If the alarm sounds, press
the ALARM SUSPEND button to turn it off. The alarm will only
be suspended for 90 seconds at this point. Press and hold the
ALARM SUSPEND button for 3 seconds to disable alarms.
❏ ❏ ❏
2.6 Press the RECORDER
button (if equipped).
The strip chart paper moves out of the unit from the paper tray.
Check that the correct time, date, ECG lead annotation and
waveform are recorded on the paper. (Set Time and Date, if
necessary.)
❏ ❏ ❏
2.7 Open the paper tray.
Press RECORDER button.
CHECK RECORDER message appears on the monitor. ❏ ❏ ❏
2.8 Close the paper tray.
Press RECORDER button.
Strip chart paper flows out of paper tray. Verify that the CHECK
RECORDER message no longer displays. ❏ ❏ ❏
2.9 Press RECORDER button. Strip chart paper stops flowing out of paper tray. ❏ ❏ ❏
2.10 Press the VOLUME
softkey.
To increase the volume of
the beep, press the Inc.
softkey.
The volume bar graph displays.
Audible beep when the QRS wave displays. The bar graph
increases on the display indicating an increase in volume. This
action does not increase the volume which is normal.
Note: The QRS tone is on or off. There is no gradual change in
volume. If equipped, voice prompts are gradual. Note: The voice
volume has 5 settings. Setting 3 is in the mid-range.
❏ ❏
Do this... Observe this... Pass/Fail/NA

M Series Service Manual
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2.11 To decrease the volume of
the beep, press the Dec.
softkey.
The bar graph decreases on the display indicating a decrease in
volume. The volume shuts off at the last bar; otherwise, the
volume is the same as originally set.
❏ ❏
2.12 Press the CONTRAST
button.
Contrast menu displays. ❏ ❏
2.13 (For LCD monitors only.)
Press the CONTRAST
button.
To increase the contrast of
the display, press the Inc.
softkey.
Background light and characters display.
The contrast increases on the monitor display (LCD).
The brightness increases on the monitor display (EL).
The bar graph increases on the display indicating an increase in
contrast.
Note: Electro luminescence (EL) displays have only two settings
independent of the bar graph without any gradual changes. If EL
brightness is already set to its highest level, brightness will not
change.
For LCD
monitors
❏ ❏ ❏
❏ ❏ ❏
2.14 To decrease the contrast of
the display, press the Dec.
softkey.
The bar graph decreases on the display indicating a decrease in
contrast (LCD) and brightness (EL). The display contrast and
brightness changes.
❏ ❏
2.15 Press the SUMMARY
button (if available).
Summary menu displays on the monitor showing the summary
report options. ❏ ❏ ❏
2.16 Press the CODEMARKER
button (if available).
Code marker menu displays. ❏ ❏ ❏
2.17 Connect A/C current and
install the battery. Turn the
unit off.
CHARGER ON indicator lights.
The amber or green lights illuminate.
Note: If both lights flash ON/OFF, the unit is defective or no
battery is installed.
❏ ❏ ❏
Do this... Observe this... Pass/Fail/NA

M Series Service Manual
9
2.18 If applicable, connect D/C
current and install the
battery. Turn the unit off.
CHARGER ON indicator lights.
The amber or green lights illuminate.
The yellow light indicates the battery is being charged. The green
light indicates the battery is fully charged to present capacity.
Note: If both lights flash ON/OFF, the unit is defective or no
battery is installed.
❏ ❏ ❏
2.19 Remove the battery. Note that both charge lights (green and amber) flash alternately. ❏ ❏
2.20 Replace the battery and the
turn unit on.
Note that the yellow charge light illuminates. ❏ ❏
2.21 Press the ANALYZE
button (if available).
SELECT DEFIB MODE message appears on the monitor. (For
manual devices.) ❏ ❏ ❏
2.22 Move the selector switch to
DEFIB. Select 2J. Press the
CHARGE button.
The display shows that the unit is charging. The SHOCK button
lights when the unit is charged. Ready tone for DEFIB sounds. ❏ ❏ ❏
2.23 Press and hold the
ENERGY SELECT down
arrow.
Unit discharges internally and selected energy decrements to 1J. ❏ ❏ ❏
2.24 Press and release the
ENERGY SELECT up
arrow 19 times.
The following energy amounts display incrementally 2, 3, 4, 5, 6,
7, 8, 9, 10, 15, 20, 30, 50, 75, 100, 150, 200, 300, 360J (for DSW).
Biphasic: 1-10, 15, 20, 30, 50, 75, 100, 120, 150, 200J.
❏ ❏ ❏
2.25 Press the CHARGE button. Note the display shows the unit charged up to 360J (200J -
Biphasic) and the SHOCK button lights. ❏ ❏ ❏
2.26 Press the SHOCK button. The unit discharges and the SHOCK button is no longer lit. A 15
second strip chart automatically prints, displaying the number of
joules delivered (if equipped with recorder).
❏ ❏ ❏
Record your results on the Maintenance Test Checklist.
Do this... Observe this... Pass/Fail/NA

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3.0 3, 5, and 12 Leads Test
Tools Needed 3 lead, 5 lead, and 12 lead cables.
Test each cable separately.
Te s t S e t u p Note: The M Series unit must be configured to display ECG LEAD OFF message.
Connect the lead wires appropriate to each test to the Dynatech Impulse 4000 or equivalent (Symbio CS1201).
Do this... Observe this... Pass/Fail/NA
3.1 Set the selector switch to
MONITOR. Select leads.
NO ECG LEADS OFF message displayed. ❏ ❏ ❏
3.2 Disconnect one lead from
the simulator.
The ECG LEAD OFF message displays within 3 seconds (if
configured). ❏ ❏ ❏
3.3 Reconnect the lead. Repeat
step 3.2 with the remaining
leads.
Wait for ECG LEAD OFF message to clear from the display (if
configured). ❏ ❏ ❏
3.4 Repeat 3.2 and 3.3 for 5
lead and 12 lead cables.
NOTE: If heart rate alarm sounds, press and hold the ALARM
SUSPEND button for 4 seconds to disable the alarms.
NOTE: When testing the 12 lead cable, the ECG LEAD OFF
message displays when you pull off a limb lead. When you pull
off a V lead, the ECG VX LEAD OFF message displays where
“X” is the number between 1 and 6.
❏ ❏ ❏
Record your results on the Maintenance Tests Checklist.