A faulty NIBP code in the ZOLL M Series indicates a problem with the NIBP (Non-Invasive Blood Pressure) module. Possible causes include a broken or disconnected ribbon cable from the system board to the NIBP power supply, a malfunctioning NIBP power supply board, or a faulty system board. To resolve the issue, check the ribbon cable first, then replace the NIBP power supply if needed. If the problem persists, the system board may require replacement.

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Summary of Contents for ZOLL M Series

Page 1 M Series ® Service Manual 9650-0450-01 Rev.U...
Page 2 Service Manual (REF 9650-0450-01 Rev. U) is July, 2014. If more than 3 years have elapsed since this date, contact ZOLL Medical Corporation to determine if additional product information updates are available. Copyright © 2013 by ZOLL Medical Corporation. All rights reserved. AutoPulse, Base Power Charger, CPR-D-padz, M Series, Pedi-padz, Protocol Assist Code Markers, Real CPR Help, Rectilinear Biphasic, RescueNet, See-Thru CPR, SmartAlarms, Stat-padz, SurePower, and ZOLL, are trademarks or registered trademarks of ZOLL Medical Corporation in the United States and/or other countries.
Page 3: Table Of Contents
Overview ..................................1-1 Before You Begin the Maintenance Tests....................... 1-2 Equipment that You Need to Perform the M Series Maintenance Tests .............. 1-3 Equipment You Need for the M Series Options Maintenance Tests..............1-3 Physical Inspection of the Unit ..........................1-5 Front Panel Button Test ............................
Page 4 Troubleshooting................................ 2-2 ZOLL M Series Error Messages..........................2-5 Chapter 3 Replacement Parts Replacement Parts..............................3-2 Parts Diagrams................................3-9 Chapter 4 Functional Description Main System Board..............................4-2 Main System Board Functions ..........................4-4 Power Supply ................................4-5 ECG Front End ................................4-6 Multifunction Electrode (MFE)/PADS (System Board and High Voltage Module) ..........
Page 5 Chapter 5 Disassembly Procedures Required Equipment..............................5-2 Safety Precautions..............................5-2 ZIF Keeper Instructions............................5-3 Upper Housing Removal ............................5-12 System Board Assembly Removal........................5-13 Battery Interconnect Board Assembly Removal....................5-15 Biphasic High Voltage Module Removal....................... 5-16 AC/DC Charger Removal............................5-19 Bridge Assembly Removal.............................
Page 6 9650-0450-01 Rev. U...
Page 7 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 unit, allowing the service person to identify and order replacement parts from ZOLL.
Page 8 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.
Page 9 • 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...
Page 10 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.
Page 11: Chapter 1 Maintenance Tests
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.
Page 12: 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. • Keep an extra fully charged ZOLL M Series compatible battery available. • Schedule an hour to conduct the entire maintenance test.
Page 13: Equipment That You Need To Perform The M Series Maintenance Tests
Be sure to follow the manufacturer’s recommendations for conducting the maintenance tests. We recommend the use of the following equipment when performing M Series Maintenance Tests: ZOLL Medical Electrode Adapter from Fluke Biomedical (ZOLL Part Number 3010-0378).
Page 14 Fluke Biomedical Cufflink Analyzer (if NIBP option is installed) IBP Temperature Simulator 9100-0402-TF • DNI Nevada 214B Patient SImulator, with M Series interface cable • The Fluke Biomedical BP Pump NIBP Monitor Analyzer and the Fluke Biomedical BP Pump NIBP Analyzer use different technologies for testing NIBP monitors and therefore, the manual provides two different procedures for performing the NIBP Volume Leak test with each of these types of test equipment.
Page 15: Physical Inspection Of The Unit
M Series Service Manual 1.0 Physical Inspection of the Unit Tools Needed: Battery. Test Setup: None. Observe this... Pass/Fail/NA Housing Is the unit clean and undamaged? Does the unit show signs of excessive wear? Does the handle work properly? Does the recorder door open and close properly?
Page 16 M Series Service Manual Observe this... Pass/Fail/NA 1.15 Is the battery seated in the battery well correctly? Record your results on the Maintenance Test Checklist. 9650-0450-01 Rev. U...
Page 17: Front Panel Button Test
M Series Service Manual 2.0 Front Panel Button Test Tools Needed: QED 6 Defibrillator Analyzer Test Setup: 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.
Page 18 M Series Service Manual Do this... Verify that... Pass/Fail/ Press the INC softkey. The bar graph appears on the display, indicating an increase in volume. Note: This action does not increase the volume of the unit’s audio prompts. 2.10 Press the DEC softkey.
Page 19 M Series Service Manual Do this... Verify that... Pass/Fail/ Press and release the ENERGY SELECT up The following selections appear: Verify the following energy amounts display 2.22 o o o arrow 19 times. incrementally: Biphasic:2-10, 15, 20,30, 50, 75, 100,120, 150, 200J Monophasic (DSW): 2-10, 15,20,30,50,75, 100, 150, 200, 300, 360J.
Page 20: 3, 5, And 12 Leads Test
Tools Needed: 3 lead, 5 lead, and 12 lead cables. Test each cable separately. QED 6 Defibrillator Analyzer. Test Setup: The M Series unit must be configured to display ECG LEAD OFF message. Connect the lead wires appropriate to each test to the QED 6 Defibrillator Analyzer .
Page 21: Power Supply Test (Optional)
Set the power supply voltage to 7V. Caution Be sure to connect the power supply properly to the M Series battery well terminals or damage to the unit may result. Do NOT raise the power supply voltage above 12V .
Page 22 M Series Service Manual 15 Amp Battery Well Supply Black Do this... Verify that... Pass/Fail Turn the selector switch to MONITOR. The unit does not turn on. (For AED units, turn the selector switch to ON and select Manual mode.) Turn the selector switch to the OFF position.
Page 23 M Series Service Manual Test Setup: Remove red lead from power supply and connect to 0.1ohm resistor. Connect other end of resistor to “+” terminal of power supply using a second red label. Connect multimeter across the resistor. Set voltage scale (if DVM is not autoranging) to 220mV.
Page 24 M Series Service Manual Do this... Verify that... Pass/Fail Turn the selector switch to MONITOR. (For Voltage across resistor should be 80 mV or less (<800 mA of ON current). AED units, turn the selector switch to ON and Note: Without optional parameters.
Page 25: Leakage Current Test
M Series Service Manual 5.0 Leakage Current Test Tools Needed: See the manufacturer’s instructions or supplied specifications for the leakage tester you use. Test Setup: See the manufacturer’s instructions or supplied specifications for the leakage tester you use. Repeat leakage test with accessories: MFC, external paddles, and anterior/posterior paddles.
Page 26: Paddles Test (If Applicable)
M Series Service Manual 6.0 Paddles Test (If applicable) Tools Needed: QED 6 Defibrillator Analyzer. Test Setup: If applicable, connect the universal cable to the paddles and place the paddles in paddle wells. Do this... Verify that... Pass/Fail/NA Turn the selector switch to DEFIB (For AED The energy selection decreases to 1J.
Page 27: Heart Rate Display Test
M Series Service Manual 7.0 Heart Rate Display Test Tools Needed: ECG Cable (3 or 5 leads). • QED 6 Defibrillator Analyzer. • Test Setup: Turn the selector switch to MONITOR (For AED units, turn the selector switch to ON and select Manual override.) Press LEAD button until “I”...
Page 28: Calibrating Pulses On Strip Chart Test
M Series Service Manual 8.0 Calibrating Pulses on Strip Chart Test Tools Needed: None Test Setup: None Do this... Verify that... Pass/Fail/NA Press the RECORDER button. Press and hold SIZE button to activate the The strip chart displays a signal of 300 ppm with an amplitude of 10 mm +/- 1 o o o calibration signal.
Page 29: Notch Filter Test
M Series Service Manual 9.0 Notch Filter Test Tools Needed: QED 6 Defibrillator Analyzer. Test Setup: Connect the ECG cable to the QED 6 Defibrillator Analyzer. Connect the ECG cable to the unit Do this... Verify that... Pass/Fail/NA Turn the selector switch to MONITOR mode.
Page 30: Heart Rate Alarm Test
M Series Service Manual 10.0 Heart Rate Alarm Test Tools Needed: QED 6 Defibrillator Analyzer Do this... Verify that... Pass Fail/NA 10.1 Turn the selector switch to MONITOR mode. The monitor screen displays the Lead II message and the waveform for NSR o o o ECG at 120 BPM +/- 2...
Page 31 M Series Service Manual Do this... Verify that... Pass Fail/NA 10.13 Press the ALARM SUSPEND button on the M The alarm is suspended for 90 seconds. The unit displays the alarm symbol o o o Series unit. with an “X” through it, and the heart symbol flashes with each QRS wave.
Page 32: Defibrillator Self Test
M Series Service Manual 11.0 Defibrillator Self Test WARNING! SHOCK HAZARD! TAKE THE NECESSARY PRECAUTIONS TO GUARD AGAINST SHOCK OR INJURY BEFORE YOU START CONDUCTING THE DEFIBRILLATOR TESTS. Keep hands and all other objects clear of the multi-function cable connections and defibrillator analyzer when discharging the defibrillator.
Page 33 M Series Service Manual Note: The universal cable should not be connected to any equipment at the beginning of this test. Do this... Verify that... Pass/Fail 11.1 Turn the selector switch to DEFIB mode. The unit displays the CHECK PADS/POOR PAD CONTACT message.
Page 34: Synchronized Cardioversion Test
M Series Service Manual 12.0 Synchronized Cardioversion Test Tools Needed: QED 6 Defibrillator Analyzer. Test Setup: 1. Connect the universal cable via the adapter (D.N.I #3010-0378) to the defibrillator analyzer. Set ECG on analyzer to 60 -120 BPM. Do this...
Page 35: Shock Test
M Series Service Manual 13.0 Shock Test Tools Needed: QED 6 Defibrillator Analyzer, Stop Watch. Test Setup: Connect the universal cable via the adapter (D.N.I #3010-0378) to the defibrillator analyzer. Ensure that a fully charged battery is installed in the unit.
Page 36 M Series Service Manual Do this... Verify that... Pass/Fail/NA 13.10 Press the SHOCK button. The unit discharges 83J-122J (monophasic 85J-115J) into the simulator. o o o 13.11 Press the ENERGY SELECT up arrow until the The unit displays the message, DEFIB 200J SEL.
Page 37 M Series Service Manual Do this... Verify that... Pass/Fail/NA 13.23 Press the SHOCK button. On the strip chart, the Patient Current is between 20-24 Amps, and the Defib o o o Impedance is between 46-54 Ohms. Note: This will occur if configured to Auto-Generate Strips on event.
Page 38: Summary Report Test
M Series Service Manual 14.0 Summary Report Test Tools Needed: QED 6 Defibrillator Analyzer. Test Setup: Connect the universal cable to the QED 6 analyzer. If you are using paddles, place the paddles on the analyzer’s discharge plates. Do this...
Page 39: Advisory Message Test
M Series Service Manual 15.0 Advisory Message Test Tools Needed: QED 6 Defibrillator Analyzer. Test Setup: 1. Connect the universal cable via the adapter (D.N.I #3010-0378). Attach the M Series to the QED 6 Defibrillator Analyzer. Do this... Verify that... Pass/Fail 15.1 Turn the selector switch to DEFIB mode.
Page 40: Pacer Test
Note: The following tests are to be performed only on M Series units equipped with the optional pacing function. The pacer output can be measured using an oscilloscope set to DC coupling connected across a load resistor. (See diagram in column for universal cable connector polarity.) The load resistor is a 100 ohm, 5 watt or greater.
Page 41 Pacer rate on QED 6 analyzer is 177-183 ppm. 16.10 Connect the ECG cable to the M Series and The unit displays ECG at 60 BPM with no stimulus markers. QED 6 analyzer. Select the ECG at 58 BPM on the QED 6 analyzer.
Page 42: Spo2 Monitor Test
17.3 Press the 02+ or 02- softkey of the simulator The SpO reading of 98 +/- 1% appears on the M Series monitor. until the SpO output is at 98%. Note: You may need to wait up to 2 minutes for the information to appear on the ZOLL display.
Page 43 The SpO simulator screen displays an SpO saturation rate of 70-74%. BPM- softkey until the heart rate is at 230 BPM. The M Series monitor displays a heart rate in the heart position of  226-234 BPM.  17.10 Remove the Masimo patient cable.
Page 44: Etco2 Monitor Test
The EtCO reading of 34-42mmHg displays on the M Series monitor. The Respiration Rate (RR) of 22-24 displays on the M Series monitor. Note that you may need to wait up to 10 seconds for the unit to stabilize. 1-34...
Page 45 M Series Service Manual Do this... Verify that... Pass/Fail 18.5 Press WAVE 2 softkey Verify the EtCO waveform displays. For CCT units: Press the Trace softkey, select SET TRACE 2, and press Enter. Select EtCO press Enter. 18.6 Press the RECORDER button.
Page 46: Temperature Test
Test Setup: None Do this... Verify that... Pass/Fail 19.1 Connect the 2-channel Y adapter to the temperature connector (T1/T2) on the M Series CCT Unit. 19.2 Connect the Temperature Probe Simulator cables to the 2-channel Y adapter. 19.3 On the Temperature Simulator, set the T1 Verify that the value displayed for the T1 temperature channel between 59.0...
Page 47: Ibp Monitoring Test
M Series Service Manual 20.0 IBP Monitoring Test Tools Needed: DNI Nevada 214B Patient Simulator with M Series interface cables, FOGG Transducer Simulator Test Setup: Set the BP output sensitivity scale to 5 uV/V/mmHg on the Patient Simulator Connect the Patient Simulator to the IBP connector on the M Series CCT unit Do this...
Page 48 Verify the unit displays the Traces menu. o o o 20.14 Select the Set Trace 2 option and press the Verify the M Series CCT unit displays the Trace Options menu. o o o Enter softkey. 1-38 9650-0450-01 Rev. U...
Page 49 M Series Service Manual Do this... Verify that... Pass/Fail 20.15 Verify the M Series CCT unit displays the Trace Verify the unit assigns the P1 waveform to the second trace display area and o o o Options menu. returns to the main menu.
Page 50 M Series Service Manual Do this... Verify that... Pass/Fail 20.28 Set the input and output resistance to 350 ohms on the Transducer Simulator, and set the gain to x10. Connect the Transducer Simulator cable to the P1 connector on the unit and on the Pressure Transducer Simulator, set the pressure polarity to positive, and select a pressure of 200 mmHg.
Page 51 -200 mmHg. 20.38 Zero the pressure channel. The M Series CCT unit calibrates the pressure channel against a negative o o o pressure of -200 mmHg and displays the P2 ZEROED message. 20.39...
Page 52: Nibp Volume Leak Test With Fluke Biomedical Nibp Analyzer
Verify that... Pass/Fail 21.1 Turn the Selector Switch to OFF. The M Series unit powers on in the NIBP Service Mode. o o o After 10 seconds, press and hold the fourth softkey from the left and turn the Selector Switch to MONITOR (For AED units, turn the selector switch to ON).
Page 53 • Displays no Volume Leak reading, but maintains a stable pressure reading at or above 200 mmHg, then the M Series unit has passed the test; there is no volume leak. In addition, the M Series unit displays the simulator’s pressure reading in the “Cuff Pressure”...
Page 54: Nibp Transducer Calibration Test
0 mmHg. The field adjacent to the 0 mmHg value changes to PASS. pressure reading. Note: If the M Series unit displays a FAIL reading, verify the NIBP simulator’s pressure setting and connection to the M Series and repeat the step.
Page 55 (for example, 205 mmHg). 22.8 On the M Series unit, press the Read Cuff The value that the M Series unit displays is accurate within +/- 3mmHg of the o o o softkey when the simulator’s Measured screen pressure parameter value set on the NIBP simulator.
Page 56: Nibp Monitor Test
NIBP Simulators may produce a reading on the NIBP monitor that is shifted from the simulator's setting. The offset value must be established based on a statis- tical sample of monitors and readings. Please contact ZOLL Technical Support if you require assistance establishing the offset of the simulator and test set-up that you are utilizing.
Page 57 These values only apply for test set-ups utilizing the BP Pump 2 Simulator. Variations of the test set-up or different simulators may produce readings outside the provided values and will require end-user facility to establish the appropriate offset and tolerances. Please contact ZOLL Technical Support i f you require assistance establishing the offset o f y o u r simulator and test set-up.
Page 58: Bluetooth Test
24.0 Bluetooth Test Tools Needed: USB Bluetooth dongle with driver CD. Bluetooth application software BlueSoleil. Test Setup: Verify that the M Series unit is configured as follows: Bluetooth -- INSTALLED; Bluetooth Baud Rate -- 115200. Do this... Verify that... Pass/Fail 24.1...
Page 59 M Series Service Manual Do this... Verify that... Pass/Fail 24.9 Click on the Serial Port Icon that is highlighted Verify the following: o o o at the bottom of the window At the bottom of the window it states Connected, The file transfer window pops up and the file upload progress bar goes to 100%.
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Page 61: Overview
Troubleshooting tables for ECG Leads Off Messages and Monitor Displays • ZOLL M Series Error Messages • If the problems you encounter are not listed below, call ZOLL Medical Corporation’s Technical Service Department for further assistance. (See page vii for contact information.) 9650-0450-01 Rev. U...
Page 62 M Series Service Manual Troubleshooting The following tables show the most common troubleshooting issues and their solutions. First, attempt to solve the problem with “Recommended User Action.” If these steps do not solve the problem, follow the steps listed in the “Recommended Technical Action”...
Page 63 • Remove and replace the system board. defibrillator cable. • Call ZOLL Technical Support for • If the DEFIB PAD SHORT message does not display, assistance. remove the defibrillator from service.
Page 64 Electronic interference. Check for possible excessive radio frequency interference. • Turn off sources of excessive RFI. Move patient cables away from other electrical equipment. • Move M Series unit away from RFI source. 9650-0450-01 Rev. U...
Page 65: Zoll M Series Error Messages
ZOLL M Series Error Messages The following is a list of ZOLL M Series error messages that may appear on your display. The “User Advisory” column informs you about an action in progress or provides feedback on a user correctable situation that typically does not require further technical support. The “Technical Action” column describes what you as a technician can do to correct the situation.
Page 66 M Series Service Manual User Error Message Explanation Technical Action Advisory AUDIO NOT Audio is not recording. Install PCMCIA card. Replace RECORDING system board. AUDIO QUEUE FULL Indicates that the audio output queue is full. Additional None. voice prompts can't be queued at this time.
Page 67 M Series Service Manual User Error Message Explanation Technical Action Advisory BRIDGE TEST FAILED Biphasic module not operating properly while charging. Charge again. Attempt to clear the message by turning the Selector switch to OFF, then back to the desired operating mode.
Page 68 M Series Service Manual User Error Message Explanation Technical Action Advisory CHECK PADS Message displayed in conjunction with either POOR PAD Ensure pads are coupled to CONTACT or DEFIB PAD SHORT. patient. Check /replace pads and universal cable. Replace system board.
Page 69 M Series Service Manual User Error Message Explanation Technical Action Advisory  CONFIRM MANUAL Displayed when manual mode is entered. Alerts user to MODE confirm that manual mode is desired. DEFIB DISABLED User prompt issued simultaneously with other faults if defib Possible configuration problem.
Page 70 M Series Service Manual User Error Message Explanation Technical Action Advisory DEFIB FAULT 85 “Lower” discharge transistor shorted (measured via Replace high voltage module. applicable A/D channel). DEFIB FAULT 86 One discharge switch closed during power up test. Replace paddles, control board or system board.
Page 71 M Series Service Manual User Error Message Explanation Technical Action Advisory ECG FAULT 4 Communication fault between ECG processor and main Turn off unit and then turn on to processor. reset. If fault persists, replace system board. ECG FAULT 5 ECU RAM test failure, or ROM checksum test failure.
Page 72 Turn off unit and then turn on to reset. If fault persists, replace system board. EtCO COM ERROR No or invalid communication from EtCO module. Return unit for service to ZOLL Technical Service Department.  FAX DIALING Preparation for sending fax.  FAX DONE Transmission complete.
Page 73 M Series Service Manual User Error Message Explanation Technical Action Advisory PACER DISABLED User prompt issued simultaneously with other pace faults if Replace high voltage module or pacing is disabled. system board. PACER FAULT 115 Flyback pulse width control circuit is not under proper Replace high voltage module, control of the processor and gate array.
Page 74 M Series Service Manual User Error Message Explanation Technical Action Advisory POOR LEAD CONTACT One or more ECG leads are poorly connected or not Check electrode attachment to connected to patient. (User configurable.) patient, cable connector to electrode, cable to unit connector.
Page 75 M Series Service Manual User Error Message Explanation Technical Action Advisory  RELEASE BUTTONS Simultaneous external paddle button presses detected before Release buttons. unit reached full defib charge (ready state).  RELEASE SHOCK Discharge switch(es) closed when pressing charge button.
Page 76 M Series Service Manual User Error Message Explanation Technical Action Advisory SET CLOCK Real time clock failure: invalid date or time. Set date and time and/or replace system board.  SET PACE mA Multiple copy errors are the product of intended software or Set pace current.
Page 77 M Series Service Manual User Error Message Explanation Technical Action Advisory SYSTEM FAULT 5 ECU RAM test failure or ROM checksum test failure. Turn off unit and then turn on to reset. If fault persists, replace system board. SYSTEM FAULT 6 No communications received from ECU for 4 seconds.
Page 78 M Series Service Manual User Error Message Explanation Technical Action Advisory  USE ROOM AIR Adapter zeroing started with EtCO in the adapter or the Place CO sensor on adapter in ADAPTER adapter is on the REF or “0” cell.
Page 79: Replacement Parts
This section contains a listing of the replacement parts available for the ZOLL M Series devices. Replacement parts may be ordered through an authorized ZOLL distributor or directly from ZOLL Medical Corporation. The prices for parts are available from ZOLL Medical Corporation’s Technical Service Department.
Page 80 M Series Service Manual Replacement Parts Item numbers correspond to the parts diagrams beginning on page 3-9. Description Part Number Item # SHIELD, HOUSING, IPX4 9330‐0294 ASSEMBLY, SEQ‐5, PREP CHASSIS, M SERIES 1011‐0090 SCR,#4‐40,MCH,3/8",PNH,PHL,STL,ZNC,EXT, RoHS 0163‐0992 PLATE, SUPPORT, PCMCIA 9320‐0304 ASSEMBLY, PCMCIA, W/PLATE, IPX4 1001‐0421 PIVOT, LOWER LATCH, REVIVER 9320‐0065 SPACER, LOWER LATCH 9320‐0315 PADDLE, LOWER LATCH, REVIVER 9310‐0511 ASSY, BEZEL W/ SHIELDS, IPX4 1001‐0420 HEATSINK, ISOLATOR, M‐SERIES...
Page 81 M Series Service Manual Description Part Number Item # NUT, KEPS, 4‐40, SS, RoHS 0163‐0285 CABLE, RECORDER 9500‐0400 GASKET, PRINTHEAD CABLE 9330‐0314 SUPPORT, PRINT HEAD 9310‐0510 SCR,#6‐32,MCH,3/8",PNH,PHL,STL,ZNC,EXT, RoHS 0163‐0912 ASSY, PRINT HEAD 1001‐0101 PIVOT, PRINTHEAD 9320‐0401 ASSY,PAPER TRAY‐OUT SENSOR 1001‐0131 REWORK, LEAFSPRING, PRINTHEAD, M SERIES 9320‐0300‐99 BRUSH, STATIC DISSIPATION, REVIVER 9340‐0102 SCR,#4‐40,MCH,3/8",PNH,PHL,SST, RoHS 0163‐0153 WASHER, FLAT, #4, SS, RoHS 0163‐0016 Spring Tension, Recorder Drawer 0190‐0101 ASSY,CABLE,LAMINATE JUMPER,A67,MILITARY 9500‐0573 ASSY,CABLE,LAMINATE JUMPER,A51,MILITARY 9500‐0572 CLIP, CONNECTOR 9310‐0573...
Page 82 M Series Service Manual Description Part Number Item # GASKET, CONN PANEL, M‐SERIES 9330‐1334 ASSY, PAPER TRAY 1001‐0103 CAPACITOR SUPPORT, BI‐PHASIC 9320‐0170 CABLE, FLAT 20POS, SHIELDED, BIPHASIC, M‐SERIES 9500‐0550‐90 TAPE KAPTON, 1 ¼" WIDE, 0.0025" THICK 36 YDS LONG 0550‐0003 ASSY, BRIDGE/CAP, BI‐PHASIC 1001‐0182 ASSY, EPAC, BI‐PHASIC 1001‐0181 ASSY, SPO MODULE, W/HEATSINK, MSERIES 1001‐0205 ASSY, CABLE, INTERNAL, SPO , OVERMOLDED 1001‐0160 CABLE, MFC TO HVM, M SERIES 9500‐0782 ASSY, CABLE, INTERNAL, ETC02 9500‐0541 ASSY, MODULE 2,EtCO /ISO POWER 1001‐0015 CABLE ISOLATED POWER TO SPO 9500‐0102 ASSY ISOLATOR HV FOLDED 1001‐0146 ASSY, PCB, CONNECTOR, EtCO...
Page 83 M Series Service Manual Description Part Number Item # NUT.HEX.0.3125‐32X0.375".BRS.NI.0.0937"THK 0163‐0274 CABLE, ACCESS DETECT, RS232, AND LOW LEVEL SIGNAL 9500‐0552‐02 ADHESIVE LOCTITE THREADLOCKER 222 0550‐0118 ORING.BUNA‐N.0.354".0.032" DIA.70 DURO 0160‐6833 ASSY, PCB, OUTPUT ESD, RS232 9301‐0354 ASSY, GROUND WIRE 9500‐0302 NUT, KEPS, 6‐32, STL, ZI, SM PATTERN EXT STAR, RoHS 0163‐0284 GROUNDING POST (CUSTOM SCREW MACHINE) 9320‐0301 SCR.PPH.6‐32X.0.375"..ZI.HI/LO RoHS 0163‐1230 ASSY, AC RECEPTACLE 1001‐0114 STDF.F/F.0.025"RND.0.125"..NYL.. 0160‐0002 GASKET, AC/DC RECEPTACLE, M‐SERIES 9330‐0316 ASSY, AC CHARGER W/HEATSINK 1001‐0108‐02 GASKET, BATTERY PIN 9330‐0317 ASSY BATTERY INTERCONNECT,PCB,COATED 9301‐0303 CABLE, LAMINATE JUMPER 9500‐0511...
Page 84 M Series Service Manual Description Part Number Item # ADHESIVE, BARRIER, SPEAKER 9330‐0324 BRACKET, SPEAKER MOUNT 9320‐0409 ASSY, UPPER HOUSING 1001‐0126 ASSY, HEAT SPREADER, UPPER HSG, M‐SERIES 1001‐0206 WASHER, EXT, #6, SS, RoHS 0163‐0027 STANDOFF W/EXT.THREAD 9160‐0010 SCR,#6‐32,MCH,3/8",PNH,PHL,STL,ZNC,INT, RoHS 0163‐0922 ASSY, EXTERNAL MODULE, BLUETOOTH, M‐SERIES 1001‐0502 PANEL, FRONT, PUSHBUTTON, REVIVER 9310‐0549 DIFFUSER, REVIVER 9310‐0590 CLIP, CONNECTOR 9310‐0573 CABLE, FLEX CIRCUIT 9500‐0519 SCR,#6‐32,MCH,1‐3/4",PNH,PHL,SST,EXT, RoHS 0163‐0211 SCR.PPH.6‐32X.0.500".SS..SELF SEAL 0163‐2000 ASSY, CABLE, MULTI FUNCTION AND TEST PORT 0163‐2000 ORING.70 BUNA‐N.0.984"..0.050"THK 0160‐6950...
Page 85 M Series Service Manual Description Part Number Item # FOAM STRIP, .031 X .30 X 5.00 9330‐0400 FOAM STRIP,.375 X .32 X 3.42 9330‐0416 FOAM STRIP,.375 X .32 X 5.22 9330‐0418 REWORKED, EL DISPLAY BRACKET 9310‐0302‐99 SHIELD, W/CONDUCTIVE ADHESIVE 9330‐0374 ASSY, CABLE, EL DISPLAY 1001‐0212 FOAM STRIP,.375 X .30 X 3.38 9330‐0415 DISPLAY, 320X240,ELECTROLUMINESCENT, NO EARS 9355‐0505 FOAM STRIP, .094 X .30 X 5.00 9330‐0404 FOAM STRIP,.094 X .20 X .625 9330‐0402 ADHESIVE ULTRA LIGHT‐WELD UV CURING 0550‐0135 CUP, PACER 9310‐0519 Front Panel Membrane Contact Tech Support Front Panel, EL Display 9310-0559-02 117a Front Panel, FED/LCD Display 9310-0559-01 117b WASHER, ANTI‐ROTATION...
Page 86 M Series Service Manual Description Part Number Item # SEAL, MICROPHONE 9330‐0339 LABEL, FILLER, EXPANSION MODULE, NIBP 9305‐0703 LABEL, FRONT PANEL, NIBP 9305‐0726‐01 LABEL,EXPANSION MODULE,NIBP,M‐SERIES,NON‐UL 9305‐0725‐01 LABEL, FILLER, RS232 PORT, NIBP 9305‐0701 9650-0450-01 Rev. U...
Page 87: Parts Diagrams
M Series Service Manual Parts Diagrams 9650-0450-01 Rev. U...
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Page 119: Functional Description
M Series Service Manual Chapter 4 Functional Description This chapter provides functional descriptions of the components contained in the ZOLL M Series and the M Series options. Refer to the interconnect diagram that delineates the different components of the defibrillator. This chapter includes:...
Page 120: Main System Board
Main System Board The M Series electrical circuitry consists of several functional modules. Each module is physically located on one or more of the printed wiring board assemblies (PWBA). In some cases, a functional module is distributed across several assemblies within the unit. The main components of...
Page 121 M Series Service Manual Refer to the M Series Interconnect diagram to identify unit components described in this manual. ODULE OCATION Main Central Processing Unit (CPU) and ECU Main System PWBA Pacer/Defib Charging and High Voltage High Voltage Module Control (Defib/Pace)
Page 122: Main System Board Functions
Main System Board Functions The Main System Board contains the major computing and control elements for the M Series unit. The printed wiring board assembly (PWBA) receives signals from the front panel control switches, ECG input connectors and functional modules, such as the AC/DC charger, pacer/...
Page 123: Power Supply
Power Supply The power supply converts DC power from a removable battery or the AC/DC Battery Charger module to voltages required by the M Series hardware. The power supply circuit converts the raw battery or the Charger PWBA output voltages of +8.5 VDC to +16 VDC into the voltages shown in the table below, including load and line regulation.
Page 124: Ecg Front End
M Series Service Manual 3_3REF + 3.3 VDC Reference Linear ECG Front End The ECG front end provides an electrically isolated serial interface between the main system board functions and patient interface ECG connectors. It performs the following: • Analog ECG amplification and signal conditioning.
Page 125: Cpu And Epu
M Series Service Manual CPU and EPU The Main System Board contains two microprocessors. A Motorola HC-11 single chip microprocessor is used to acquire, convert and process ECG signals, (ECU). An Hitachi SH-3 RISC microprocessor acts as the system’s main CPU. The SH-3 CPU and has an integrated on-chip multiplier, a cache memory, a memory management unit as well as data protection and virtual memory functions.
Page 126: Defibrillator Charging And Discharging
Unlike previous ZOLL designs that isolated the patient from defib circuitry via an electromechanical patient relay, the M Series utilizes a bank of silicon-controlled rectifiers (SCRs). As the defibrillator capacitor is charged, the voltage is monitored via R1 - R4, which drive differential amplifiers referred to the system ground.
Page 127: High Voltage Capacitor Monitor
If the M Series is in the self test mode, the energy is delivered internally. The microprocessor calculates the actual delivered energy from the current waveform and displays a TEST OK message on the display, if the self test meets the appropriate criteria. If the criteria are not met, a TEST FAILED message displays.
Page 128: Pacer/Defibrillator Control Signals
M Series Service Manual The Pacer circuit produces and delivers user-controllable pace pulses to the pacing electrodes. To initiate pacing, the front panel switch is turned to PACER and the OUTPUT and RATE controls are set. Pacing current amplitude is constant during the pulse and is determined by the position of the front panel PACER OUTPUT dial.
Page 129 M Series Service Manual NALOG OLTAGE PERATION OMMENT FET_MON Analog voltage monitors the Provides a signature condition of the discharge voltage in case of a fault. transistors. PAT_CUR Bound on the range of 0 - 2.5 Analog signal representing V and accommodates defib...
Page 130: Internal Discharge Resistor Module
(for a mains input), AC-DC and DC-DC conversion and isolation barrier between the M Series and power sources. This module also provides the power necessary to run the M Series in any mode of operation, as well as providing additional charging current to the battery. When the M Series is turned off but connected to an external AC or DC source, the charger module controls battery charging currents and voltages needed to charge the M Series battery.
Page 131: Stripchart Recorder
The Controls PWBA is physically located in the front panel assembly. Units that are equipped for voice recording include a microphone and audio signal conditioning circuitry on the Controls PWBA. M Series Options This section describes four options for the M Series unit. 9650-0450-01 Rev. U 4-13...
Page 132: Isolated Power Supply Module
The 12 lead cable is required to produce 12 lead reports. M Series unit must have the 12 lead option installed. All limb leads and at least one V- lead must be connected to initiate a 12 lead acquisition. Printed 12 Lead bandwidth is user configurable to be either 0.05-150 Hz (per AAMI EC11) or 0.05-40 Hz.
Page 133: Pulse Oximetry (Spo2)
, and respiration rate data. The M Series software formats the data for output to the display and strip chart recorder. In addition, the M Series software performs range checking of the Novametrix data to determine the presence of low or high EtCO and respiration rate alarm limit violations.
Page 134: Biphasic Waveform
The ZOLL Biphasic units produce a rectilinear waveform whose shape remains essentially constant from patient to patient. The rectilinear biphasic waveform consists of a 6 millisecond, essentially constant current first phase followed by a 4 millisecond, truncated exponential second phase. The...
Page 135 The following Rectilinear Biphasic Waveform is produced when the M Series with Biphasic option is discharged into a 50 ohm load at the default energy setting of 120 joules. The vertical axis is in amperes; the horizontal axis is in milliseconds. (See following diagram.) 9650-0450-01 Rev.
Page 136 M Series Service Manual 4-18 9650-0450-01 Rev. U...
Page 137 M Series Service Manual Chapter 5 Disassembly Procedures This chapter provides instructions on how to disassemble and reassemble the M Series unit, and includes the following sections: “ZIF Keeper Instructions” on page 5-3 “Front Panel Removal” on page 5-5 “CCT Front Panel Removal” on page 5-8 “Upper Housing Removal”...
Page 138: Required Equipment
M Series Service Manual “NIBP Assembly Removal” on page 5-37 “NIBP/IBP/Temp Assembly Removal” on page 5-40 Required Equipment #1 Philips head screwdriver • #2 Philips head screwdriver • Wooden stick • Needlenose pliers • Wire Cutters • Exacto Knife •...
Page 139: Zif Keeper Instructions
M Series Service Manual ZIF Keeper Instructions Caution It is important to know this procedure before you start disassembling the unit. Removing of the ZIF (Zero Insertion Force) Keeper Please follow these instructions when you come across a ZIF Keeper.
Page 140 M Series Service Manual 4. To reconnect cable, place the ZIF Keeper over the laminate 5. Lower the left end of the ZIF Keeper over the connector end cable and insert the flex cable into the connector. Secure cable until it touches the printed wire assembly. The other end of in place by closing the latch.
Page 141 M Series Service Manual Front Panel Removal Note: For CCT units skip to page 5-8 1. Remove 2 screws from lower housing. 2. Flip unit over. Using your thumb push up on the outer rim of the main selector knob to release panel from housing. Lay front panel down.
Page 142 M Series Service Manual 5. Bend lower portion of front panel to release display, then pull 6. To remove front panel membrane, disconnect flex cable by display out. lifting tab straight up and pulling on cable. 7. Using an exacto knife, lift corner of front panel membrane.
Page 143 M Series Service Manual 9. Remove 1/2” nut from the main selector knob, then remove the 10. (Unit with pace option) Remove the pacer controls knobs, anti-rotation washer. and then remove 10mm nut and washer. 11. While carefully lifting up on the control board, use exacto knife to cut beeper gasket as board is being removed.
Page 144 M Series Service Manual CCT Front Panel Removal 1. Remove 2 screws from the bottom of the housing. 2. Using a flat head screwdriver, place in notch and gently pry front panel cover out. 3. Gently push tab around carry handle to remove.
Page 145 M Series Service Manual 5. Push front panel assembly from the bottom to release it. 6. Remove video cable (beige connector), by pulling straight out. Then remove control board flex cable from system board. Follow steps 1-3 of the ZIF Connector Instructions on page 5-3.
Page 146 M Series Service Manual 9. Remove 5 screws from rear of front panel. 10. Gently pry rear cover of front panel assembly up and remove. 11. Remove copper tab from ground tab of front panel membrane 12. Gently remove 8 tabs holding the video frame around the and unplug cable from control board.
Page 147 M Series Service Manual 13. Remove LED display from display frame. 14. Remove membrane cable from control board. 15. Remove screw from control board. Gently lift up on the control board and cut gasket. 9650-0450-01 Rev. U 5-11...
Page 148: Upper Housing Removal
M Series Service Manual Upper Housing Removal 1. Remove 3 screws on the front of upper housing. 2. Remove 2 screws from the rear of upper housing. Note: Remove multifunction cable (MFC) if still connected 3. While supporting the main chassis, lift up on the upper housing.
Page 149: System Board Assembly Removal
M Series Service Manual System Board Assembly Removal 1. Remove access detect cable by gently pulling straight out from 2. Remove MFC signal cable by gently pulling out towards the system board. side of the board. 3. Unplug speaker cable (if present) by gently pulling straight out 4.
Page 150 M Series Service Manual 5. Remove the 2 system interconnect cables, by lifting ZIF 6. Remove biphasic flex cable and EtCO /SPO cable by connectors. lifting up on tabs, and pulling straight out. 7. Remove NIBP flex cable by lifting up on tabs and pulling straight 8.
Page 151: Battery Interconnect Board Assembly Removal
M Series Service Manual Battery Interconnect Board Assembly Removal 1. Remove black rivet by pulling straight up. 2. Lift Battery Interconnect board; disconnect cable going to AC/DC charger board. 3. Disconnect HV control cable from the backside of the HV 4.
Page 152: Biphasic High Voltage Module Removal
M Series Service Manual Biphasic High Voltage Module Removal units, skip to page 5-22 Note: For monophasic 1. Remove tape, unplug 2 spade connectors, and remove ground 2. Using a pair of needle nose pliers, squeeze the locking tabs screw from AC charger frame. Then lift ECG connector and and push the MFC connector through the connector panel.
Page 153 M Series Service Manual 5. If present remove EtCO and SPO connectors from the 6. Cut tie wrap holding HV cable to connector panel. Then connector panel by lifting straight out. remove HV cables from wire loop. Note: During reassembly of the SPO...
Page 154 M Series Service Manual 9. Remove tape from Epac 10. Gently bend Epac to the side, and pull HV module out. 5-18 9650-0450-01 Rev. U...
Page 155: Ac/Dc Charger Removal
M Series Service Manual AC/DC Charger Removal 1. Lift charger assembly straight up and out of the device. 2. Pull connector panel straight out of the charger assembly. Note: During reassembly, make sure that the charger assembly lines up with slots on bottom and post on the top on main chassis 9650-0450-01 Rev.
Page 156: Bridge Assembly Removal
M Series Service Manual Bridge Assembly Removal 1. Disconnect biphasic flex cable, by pulling down on the tabs and 2. Lift up on the bridge board first, then lift the assembly pulling cable straight down. straight up. 3. Flip assembly over and remove lower isolator.
Page 157 M Series Service Manual WARNING! This unit may contain lethal voltages. You MUST completely discharge the high voltage capacitor before removing from unit. DO NOT SHORT THE TERMINAL ENDS OF THE CAPACITOR UNTIL AFTER DISCHARGED. 5. Bleed the excess voltage using a resistor with values of 6.
Page 158: Monophasic: High Voltage Assembly Removal
M Series Service Manual Monophasic: High Voltage Assembly Removal 1. Lift out HV module/AC charger assembly straight up off of upper 2. Lift up on capacitor and remove from main chassis. housing mounting studs, and roll backwards and place on flat surface.
Page 159 M Series Service Manual 5. Pull wire through connector panel, and then remove HV cable 6. Separate HV module assembly from AC charger assembly. from wire loom. 7. Pull connector panel straight out of the charger assembly. 8. Remove HV isolator.
Page 160 M Series Service Manual 9. Remove tape and unplug MFC signal cable. 10. Gently bend Epac to the side, and pull HV module out. 5-24 9650-0450-01 Rev. U...
Page 161: Monophasic: High Voltage Capacitor Disassembly
M Series Service Manual Monophasic: High Voltage Capacitor Disassembly WARNING! This unit may contain lethal voltages. You MUST completely discharge the high voltage capacitor before removing from unit. DO NOT SHORT THE TERMINAL ENDS OF THE CAPACITOR UNTIL AFTER DISCHARGED.
Page 162 M Series Service Manual 3. Unplug spade connectors, and remove choke assembly. 4. Bleed the excess voltage using a resistor with values of approximately 5k ohms, 25 watts for 10-20 seconds. Measure the voltage on the capacitor terminals. 5. Remove plastic spacer and disconnect 2 spade connectors on 6.
Page 163: System Interconnect Board Removal
M Series Service Manual System Interconnect Board Removal 1. Disconnect paper sensor cable, print head cable, and printer 2. Remove 2 screws holding board to main chassis. motor cable. 3. Lift board straight out of main chassis. Note: During reassembly, push down on right side of board to fully seat on PCIMCIA assembly.
Page 164: Printer Motor Removal
M Series Service Manual Printer Motor Removal 1. Remove screw holding motor to chassis. 2. Using exacto knife, slide knife between printer motor frame and main chassis. 3. Pull printer motor and spacer straight out. 5-28 9650-0450-01 Rev. U...
Page 165: Lower Housing Removal
M Series Service Manual Lower Housing Removal 1. Remove screw from modem bezel, and remove bezel. Remove 2. Remove 3 screws from lower housing. paper tray by pushing on release tab on tray. 3. Lift the back of the lower housing up and slide forward around PCMCIA assembly.
Page 166: Print Head Assembly Removal
M Series Service Manual Print Head Assembly Removal 1. Remove 2 screws from print head support, and lift support 2. Lift up on print head and disconnect print head cable. straight out. 3. Remove pivot pin for reuse. 4. Lift the paper sensor board out, and pull wire through the access hole.
Page 167 M Series Service Manual 5. To remove leaf spring, remove screw (some units have a nut on 6. Remove leaf spring and static brush. bottom). Note: Use caution when removing screw; material beneath screw is used as a grounding path.
Page 168: Pcmcia Assembly Removal
M Series Service Manual PCMCIA Assembly Removal 1. Remove 2 screws, and lift plate out. 2. Lift PCMCIA assembly straight up to remove. 5-32 9650-0450-01 Rev. U...
Page 169: Paddle Release Latch Removal
M Series Service Manual Paddle Release Latch Removal 1. Using an exacto knife, remove the latch seal. 2. Insert the screwdriver into the opening under the adhesive seal. Gently push the screwdriver until the latch dislodges. 3. Pull paddle release latch away from the unit.
Page 170: Lower Latch Assembly Removal
M Series Service Manual Lower Latch Assembly Removal 1. From the bottom of the main chassis, use a pick to push pin 2. Remove latch and spacer. through chassis. 3. To remove paddle shorting wire, pull up on spring clip and disconnect spade from clip at each end.
Page 171: Spo2/Etco2 Module Removal
M Series Service Manual /EtCO Module Removal 1. Remove clear isolator by removing tape. 2. To remove SPO module, cut tape top and bottom, then lift module out of Epac slightly. 3. Disconnect SPO power cable. 4. Remove SPO connector cable.
Page 172 M Series Service Manual 5. Disconnect the SPO power cable from isolated power supply, 6. Flip Epac and cut tape. Lift out EtCO module and isolated then disconnect EtCO cable from module. power supply from Epac. 7. Split power supply and module, and disconnect EtCO cable by pulling straight out.
Page 173: Nibp Assembly Removal
M Series Service Manual NIBP Assembly Removal 1. Remove 6 screws holding NIBP module to housing. 2. Split NIBP housing from main chassis, then slide cable out of NIBP housing. Note: During reassembly, slide flex cable back inside of NIBP housing.
Page 174 M Series Service Manual 5. Lift NIBP frame half way out of housing and disconnect hose. 6. Lift up on pump and remove the assembly. 7. To disconnect pump, disconnect pump cable and isolated 8. Gently push out on the 2 locking tabs, and lift NIBP power cable from pump assembly.
Page 175 M Series Service Manual 9. Gently push out on the locking tabs, lift the isolated power supply, 10. Using an exacto knife, lift up on label. and disconnect cable. 11. Remove 3 screws. 12. Slide connector panel out. 9650-0450-01 Rev. U...
Page 176: Nibp/Ibp/Temp Assembly Removal
M Series Service Manual NIBP/IBP/Temp Assembly Removal 1. Remove 6 screws holding NIBP module to housing. 2. Split NIBP housing from main chassis, then slide cable out of NIBP housing. Note: During reassembly, slide flex cable back inside of NIBP housing.
Page 177 M Series Service Manual 5. Remove 3 cables by gently pulling cable out of connectors. 6. Lift up on pump assembly and disconnect hose. 7. Remove tape securing hose in channel. Then remove pump 8. To disconnect pump, disconnect pump cable and isolator.
Page 178 M Series Service Manual 9. Remove ground cable, and gently push out on the 2 locking 10. Gently push out on the 2 locking tabs, and lift the isolated tabs, and lift NIBP assembly out. power supply, and disconnect cable.
Page 179 M Series Service Manual 13. Using a 1/2 nut driver, remove temp port nut. Then remove 3 14. Slide connector panel out. screws holding connector panel. 15. Slide out temperature and IBP connectors out of housing. 16. Remove 5 screws to remove grounding plate.
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Page 181: Appendix A Overview
Interconnect Diagram for the M Series Monophasic Unit • ZOLL M Series Maintenance Test Checklist • Photocopy the checklists and use the copies to record the results of the maintenance tests performed on the M Series equipment; keep them for your records. 9650-0450-01 Rev. U...
Page 182 M Series Service Manual Interconnect Diagram for the M Series Biphasic Unit 9650-0450-01 Rev. U...
Page 183 M Series Service Manual Interconnect Diagram for the M Series CCT Biphasic Unit 9650-0450-01 Rev. U...
Page 184 M Series Service Manual Interconnect Diagram for the M Series Monophasic Unit 9650-0450-01 Rev. U...
Page 185 ZOLL M Series  Serial No. Location Maintenance Test Checklist Tester Signature Date 1.0 Physical Inspection 2.0 Front Panel Button 3.0 Leads Test 7.0 Heart Rate Display 11.0 Defibrillator Test Test Self Test Result of Check: Pass Fail Pass Fail...
Page 186 ZOLL M Series  Serial No. Location Maintenance Test Checklist Tester Signature Date 13.0 Shock Test 14.0 Summary Report 17.0 SpO Monitor Test 20.0 IBP Monitoring Test 20.32 23.0 NIBP Monitor Test Test Pass Fail Pass Fail Pass Fail Pass Fail 20.33...

ZOLL M Series Service Manual

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