Philips HeartStart MRx Service manual

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MONITOR/DEFIBRILLATOR

HEARTSTART MRx

Service Manual

M3535A M3536A

Notice

About This Edition

Edition 4

Printed in the USA

Publication number M3535-90900

The information in this document applies to the HeartStart MRx product version indicated below. This information is subject to change without notice.

Philips shall not be liable for errors contained herein or for incidental or consequential damages in connection with the furnishing, performance, or use of this material.

Edition History

Edition Product Version Print Date

1 A.00/A.01 December, 2003

2 A.02 and earlier June, 2004

3 B.03 and earlier November, 2004

4 B.xx and earlier January, 2005

Medical Device Directive

The HeartStart MRx complies with the requirements of the Medical Device Directive 93/42/EEC and carries the

mark accordingly.

0123

Manufacturer

Philips Medical Systems

3000 Minuteman Road

Andover, MA USA 01810-1099

(978) 687-1501

Authorized EU-representative:

Philips Medizin Systeme Böblingen GmbH Hewlett Packard Str. 2 71034 Böblingen Germany

Canada EMC:ICES-001

Warning

Radio frequency (RF) interference from nearby transmitting devices may degrade the performance of the HeartStart MRx. Electromagnetic compatibility with surrounding devices should be assessed prior to using the monitor/defibrillator.

Koninklijke Philips Electronics N.V.

All rights are reserved. Permission is granted to copy and distribute this document for your organization’s internal educational use. Reproduction and/or distribution outside your organization in whole or in part is prohibited without the prior written consent of the copyright holder.

SMART Biphasic is a registered trademark of Philips.

FilterLine is a registered trademark of Oridion Medical Ltd.

Use of supplies or accessories other than those recommended by Philips may compromise product performance.

THIS PRODUCT IS NOT INTENDED FOR HOME USE.

IN THE U.S., FEDERAL LAW RESTRICTS THIS DEVICE TO SALE ON OR BY THE ORDER OF A PHYSICIAN.

Conventions Used in This Manual

This Service Manual contains the following conventions:

WARNING Warning statements describe conditions or actions that can result in personal injury or loss of life.

CAUTION Caution statements describe conditions or actions that can result in damage to the equipment or loss of

data.

NOTE Notes contain additional information on usage.

TIP Tips provide hands-on insight into servicing this product.

TEXT represents messages that appear on the screen

[Softkey] represents softkey labels that appear on the screen above or below the

button to which they correspond.

On-line viewing only

Hypertext represents hypertext links, which will display as blue; click on

Abbreviations

Name Abbreviation

HeartStart MRx Monitor/Defibrillator monitor/defibrillator

Noninvasive Blood Pressure NBP

End-tidal carbon dioxide

Carbon dioxide CO

Pulse Oximetry

the blue link to go to that destination, then click on the blue destination to return.

device

EtCO

SpO

1Table of Contents

1 Introduction 1

Who Should Use This Manual 1 Overview 1 Features and Capabilities 2 Tour of the Device 3

Right Side 4 Left Side 5 Rear 6 To p 7

General Service Information 8

Installation 8 Display Menus 8 Passwords 8 Upgrades 8 Preventive Maintenance 8 Repair Philosophy 9

Accessing Service Mode 10

Navigating in Service Mode 11 Service Mode Functions 12

Other Resources 16

2 Maintenance 17

Overview 17 Maintenance Tools and Equipment 18 Checking the NBP Module 19

NBP 19

Checking the CO2 Module 23

CO2 23

3 Troubleshooting 33

Overview 33 Troubleshooting Tools and Equipment 34 Obtaining Replacement Parts 34 Ready For Use Indicator 35 Automated Tests 36

Automated Test Summary 36

iii

Operational Check 39

Operational Check Report 43 Operational Check Summary 44

Service Mode Tests 44 Troubleshooting Methodology 45 Troubleshooting Flowcharts 47 Troubleshooting Tables 53

Audio Tones 54 Status Log Errors 55 Startup Errors 62 General Problems 63 ECG Monitoring Problems 64 NBP Monitoring Problems 66 SpO2 Monitoring Problems 67 CO2 Monitoring Problems 68 Defibrillation Problems 70 Pacing Problems 73 Printing Problems 74 Display Problems 75 Audio Problems 75 Controls Problems 76 Internal Memory Problems 77 External Data Card Problems 77

4 Repair 79

Overview 79 Who Should Perform Repairs 80 Repair Philosophy 80

Calling for Service 81

Repair Notes 82

Safety Precautions 82 Flex Circuit Connections 82 Flex Circuit Handling 83 Internal Connections 83 Cable and Assembly Placement 83 Device Reassembly 83 Disposal 84 Disposing of Empty Calibration Gas Cylinders 84

Repair Tools and Equipment 85 Key Components 85

External Assemblies 86

Accessory Pouches 87 Bedrail Hook Mount 89 Therapy Knob 90 Labels 91 Printer Assembly 93 Paddle Tray 95 Paddle Tray 50 ohm Load Resistor 98 Handle and Cap Plate 100

Opening the case 102

Discharge the Power Supply Capacitors 102 Separate the Case 102 Discharge the Therapy Capacitor 105 Disconnect the Case Halves 106

Internal Assemblies - Front Case 107

Overview of Front Case 108 PCMCIA Hole Plug 109 Speaker and Microphone Assembly 111 Internal Memory Card 113 SpO2 PCA 115 Measurement Module Panel 117 Therapy Switch 119 Fan Assembly 121 Processor PCA 123 Clock Battery 132 Printer Connector PCA 133 Display Assembly 135 Ready For Use Indicator 138 Front Panel Buttons 140 Front Case Assembly 141

Internal Assemblies - Rear Case 144

Overview of Rear Case 145 Therapy Capacitor 146 Power PCA 148 NBP and CO2 Module Tray 152 Therapy PCA 154 Therapy Port 158 NBP Module 160 CO2 Module 162 CO2 Compartment Door 167 Battery Connector PCA 169 Rear Case Assembly 174

Closing the case 176

5 Performance Verification 179

Overview 179 Required Testing Levels 180

External Repairs/Replacements 180 Printer Replacement 181 Internal Repairs 181

Verification Test Equipment 182 Test and Inspection Matrix 184 Performance Verification Procedures 190

Visual Inspection 191 Service Mode Tests 192 Functional Checks 200 Safety Tests 208

6 Parts and Accessories 211

Overview 211 Parts and Accessories Notes 212

Ordering Replacement Parts 212 Ordering Supplies and Accessories 212 Key Component Tracking 212

Replacement Parts 213 Electrical Assemblies 214

Processor PCA 214 Other Replacement PCAs 215 Other Electrical Assemblies 216 Individual Electrical Parts 216

External Electrical Components 217 Internal Cables 218 Paddles 219 Mechanical Assemblies 220

Replacement Mechanical Assemblies 220 Individual Mechanical Parts 221

Labels 222

Instruction Label Sets 222 Hazardous Shock Warning Label Set 223 Branding Label Set 223 Speaker Label Set 223 Connector Label Set 223

Supplies and Accessories 224 Key Components 229

7 Theory of Operation 233

Overview 233 Schematic Diagrams 235

System Level Interconnections 236 Signal and Data Flow 237 ECG Signal Flow 238

Functional Descriptions 239

Processor PCA 239 Therapy PCA 240 Power PCA 240 Battery Connector PCA 240 Power/Batteries 240 Display Assembly 241 Indicators 242 RFU Indicator 242 Front Panel Buttons 242 Therapy Knob 242 Paddle Indicators and Controls 242 Printer Assembly and Printer Connector PCA 243 ECG Monitoring Functions 243 Defibrillation 244 Transcutaneous Pacing 246 Audio 246 Data Storage 247 Clock Backup Battery 247 NBP Module 247 SpO2 PCA 247 CO2 Module 248

vii

8 Specifications and Safety 249

Specifications 249

General 249 Defibrillator 249 ECG and Arrhythmia Monitoring 252 Display 254 Battery 254 Thermal Array Printer 255 Noninvasive Pacing 255 SpO2 Pulse Oximetry 256 NBP 256 EtCO2 257 AwRR 258 Calibration Gas for CO2 Measurement System 259 12-Lead ECG 259 Patient Data Storage 259 Environmental (M3535A) 259 Environmental (M3536A) 261 Symbol Definitions 263

Safety Considerations 266

General 266 Defibrillation 268 Battery 268

Electromagnetic Compatibility 270

Reducing Electromagnetic Interference 270 Restrictions for Use 270 Emissions and Immunity 270 Guidance and Manufacturer’s Declaration 271

Waveforms 278

1 Index 283

This Service Manual provides the information needed to successfully service the M3535A/M3536A HeartStart MRx monitor/defibrillator. This manual provides you with information on troubleshooting, repairing, and performance verification and safety testing of the monitor/defibrillator. There is also information on the theory of operation, maintenance procedures, and ordering parts and supplies.

Who Should Use This Manual

The intended users of this manual are technical personnel who have been trained in the safe and proper servicing of the HeartStart MRx. To assist in training, the Service Training video (M3535-89300 NTSC, M3535-89310 PAL) is available.

1Introduction

Overview

In this chapter, you’ll find general information that you should know before servicing the HeartStart MRx. Detailed information regarding controls, operation, and capabilities of the device can be found in the Instructions for Use that was shipped with the product. The Instructions for Use also provides information on setting up the device and regular maintenance procedures, such as performing operational checks and battery maintenance. We recommend you review the Instructions for Use before servicing this device. This Service Manual assumes you are familiar with the controls and with basic operations.

This chapter is organized into the following sections:

To p ic Pa ge

Features and Capabilities 2

Tour of the Device 3

General Service Information 8

Accessing Service Mode 10

Other Resources 16

1 Introduction Features and Capabilities

Features and Capabilities

The HeartStart MRx is a lightweight, portable, monitor/defibrillator. It provides four modes of operation, Monitor, Manual Defib, AED, and Pacer (optional).

In Monitor Mode you can monitor up to four ECG waveforms, acquired through a 3-, 5-, or 10-lead ECG set or multifunction electrode pads. Optional monitoring of pulse oximetry (SpO blood pressure (NBP), and carbon dioxide (EtCO parameters are presented on the display and alarms are available to alert you to changes in the patient’s condition.

Monitor Mode also provides an optional 12-Lead ECG function, enabling you to preview, acquire, store, and print 12-lead ECG reports, with or without analysis/interpretation.

Manual Defib Mode offers simple, 3-step defibrillation. You analyze the patient’s ECG and, if appropriate: 1) select an energy setting, 2) charge, and 3) deliver the shock. Defibrillation may be performed using paddles or multifunction electrode pads. Manual Defib Mode also allows you to perform synchronized cardioversion and internal defibrillation.

In AED Mode, the HeartStart MRx analyzes the patient’s ECG and determines whether a shock is advised. Voice prompts guide you through the 3-step defibrillation process, providing easy-to-follow instructions and patient information. Voice prompts are reinforced by messages that appear on the display.

) are also available. Measurements from these

), noninvasive

Both Manual Defib and AED Mode incorporate the Philips’ low energy SMART Biphasic waveform for defibrillation.

Optional Pacer Mode offers noninvasive transcutaneous pacing therapy. Pace pulses are delivered through multifunction electrode pads, using a monophasic waveform.

The HeartStart MRx is powered by rechargeable lithium ion batteries. Available battery power is easily determined by viewing the convenient battery power indicators located on the device display or by checking the indicators on the battery itself. Additionally, an external AC or DC power supply may be applied as a secondary power source and for continual battery charging.

The HeartStart MRx performs Automated Tests on a regular basis. The status of the device’s critical functions are reported to the Ready For Use (RFU) indicator. Prominently displayed, the RFU indicator communicates the status of your device, letting you know if it is operating correctly, needs attention, or is unable to deliver therapy. In addition, performing the specified Operational Check ensures that the HeartStart MRx is functioning properly.

The HeartStart MRx automatically stores critical event data in its internal memory, such as Event Summaries and 12-Lead Reports. The HeartStart MRx also enables you to copy data and event information on an optional external data card for downloading to Philips’ data management solution, HeartStart Event Review Pro.

The HeartStart MRx is highly configurable to better meet the needs of diverse users. Be sure to familiarize yourself with the device’s configuration before using the HeartStart MRx.

Tour of the Device 1 Introduction

Tour of the Device

This section gives an overview of the outside of the device.

Figure 1 Front view

External Power Indicator

Synchronized Cardioversion (Sync) button

Ready For Use (RFU) Indicator

Mark Event button

Lead Select button

Display

Alarm Pause button

Event Summary button

Soft keys (4 total)

120

100

1-10

acer

onitor

Navigation buttons

dult

ose

150

170

200

elect

nergy

harge

AED

hock

Menu Select button

Therapy Knob

CHARGE button

SHOCK button

Printer

Printer door

Printer door latch

Print button

Speaker

1 Introduction Tour of the Device

Right Side

Figure 2 Right side view

Data Card

Therapy port (behind connector)

Therapy connector

Tour of the Device 1 Introduction

Left Side

Figure 3 Left side view

CO2 Inlet Port

CO2 Outlet Port

ECG Out (Sync) Jack

™

NBP Port

ECG Port

ECG

SpO2 Port

RJ11 Telephone Jack

ECG

1 Introduction Tour of the Device

Rear

Figure 4 Rear view

Bed Rail Hook Moun

Battery/AC Compartment B

Battery Compartment A

LAN Connection

RS 232 Serial Port

AC Power Module

NOTE The LAN port is for factory use only.

Battery

DC Power Input

Tour of the Device 1 Introduction

Top

Figure 5 Top view.

Top access panel

PCMCIA card slots

Internal memory card slot

1 Introduction General Service Information

General Service Information

Keep the following points in mind when servicing this product.

Installation

The HeartStart MRx does not require installation. The Instructions for Use describes the setup required before placing the device into service, as well as configuration options. All setup activities are designed to be performed by personnel trained in the proper operation of the product. To obtain a copy of the Instructions for Use and other MRx documentation go to:

www.medical.philips.com/goto/productdocumentation.

Display Menus

To display a menu, press the Menu Select button. Then use the up or down Navigation buttons to scroll through the available choices until the desired selection is highlighted. To activate the selection, press the Menu Select button. Press Exit to close the menu without activating a selection.

Passwords

In order to access different modes within the monitor/defibrillator, a password is required. The passwords are listed below:

Upgrades

• Service Mode: 27689

• Configuration Mode: 387466

Upgrades are available to add specific functionality to the device after purchase. These upgrades are:

• M3530A SpO

• M3531A NBP

• M3532A CO

• M3533A Pacing

• M3534A 12-Lead Option B02 - 12-lead acquisition Option B03 - 12-lead transmission Option B04 - 75 mm printer

• M4760A Handle and Cap Plate

• M5527A External paddles

• M4765A Hardware Upgrade Option B01 - Version B hardware that supports 12-lead transmission

Consult your sales representative, dealer, or distributor for the latest details.

Preventive Maintenance

Preventive maintenance and periodic operational checks are intended to be performed by the user. Both topics are covered in the Maintenance chapter of the Instructions for Use.

The Maintenance chapter of this manual provides procedures for the CO procedures, which are intended to be performed by qualified service personnel.

and NBP calibration

General Service Information 1 Introduction

Repair Philosophy

Monitor/Defibrillator

The repair philosophy of the HeartStart MRx is subassembly replacement. Examples of subassemblies are the printer, the Processor Printed Circuit Assembly (PCA), Therapy PCA, and selected connectors and other items. Repairs that involve replacing components on a PCA are not supported.

CAUTION Individual component replacement should not be attempted. Component level repair is inadvisable

due to the extensive use of surface mount technology and the high parts-density on the circuit boards. Unauthorized component replacement can impair performance of the HeartStart MRx.

WARNING Remove all power sources (AC, battery, DC) before opening the device. Failure to do so may allow the

device to charge without warning and could result in serious injury or death.

Batteries

The M3538A Lithium Ion battery is rechargeable. The battery periodically requires a calibration. At the end of the battery’s useful life, it should be discarded and replaced. Refer to the Instructions for Use for additional information.

For information on ordering replacements, see "Ordering Supplies and Accessories" on page 212.

WARNING Never crush, penetrate or attempt to open lithium ion batteries. Never incinerate lithium ion batteries.

High case temperatures resulting from abuse of the battery could cause physical injury. The electrolyte is highly flammable. Rupture of the battery pack may cause venting and flame.

CAUTION Due to their high energy density, lithium ion batteries can deliver significant power. Use care when

working with or testing lithium ion batteries. Do not short circuit the terminals.

1 Introduction Accessing Service Mode

Accessing Service Mode

CAUTION Be sure that the monitor/defibrillator is not connected to a patient when performing any function in

Service Mode.

NOTE Make sure that you insert a battery charged to at least 20% into the device or connect external power

when you are performing functions in Service Mode.

To access Service Mode:

1. Turn the Therapy Knob to Monitor.

2. Press the Menu Select button to display the Main menu.

3. Select Other.

4. From the Other menu select Service.

The message “Leaving Normal Operating Mode. Patient Monitoring is Off. To return to Normal Operating Mode, press the Exit Softkey.” appears.

5. Press the Menu Select button to acknowledge the message.

You are prompted to enter a password.

6. Enter the password (27689) by scrolling through the list until the desired number is highlighted.

7. Press the Menu Select button to activate each selection.

8. Select Done when you have entered all of the numbers.

Accessing Service Mode 1 Introduction

The Service Mode Main menu is displayed, as shown in Figure 6.

Figure 6 Service Mode Main Menu

02 Mar 2003 10:52

Service

Exit Service

MAIN

Service

Operational Check

Status Log

NBP

CO2

Controls

Printer

Device Info

Software Upgrade

Navigating in Service Mode

Service Mode uses the same navigation controls as normal operating mode:

• To select a menu item, use the Navigation buttons to highlight your choice, then select that choice by pressing the Menu Select button.

• To exit Service Mode and return to clinical mode, press the [Exit Service] soft key.

• To return to the Service Mode Main menu from any service screen press the [Main Service] soft key.

NOTE The device’s default configuration settings are restored when you return to clinical mode after exiting

Service Mode.

1 Introduction Accessing Service Mode

Service Mode Functions

You can perform a variety of service related activities from Service Mode, as follows:

• Run an Operational Check - See “Operational Check” on page 39.

• View, print and clear the Status log - See “Status Log Errors” on page 55.

• Perform maintenance on the NBP module - See “Checking the NBP Module” on page 19.

• Perform maintenance on the CO

• Run the Controls test - See “Controls Test” on page 193.

• Run the Printer test - See “Printer Test” on page 194.

• View information about the device, such as model number, serial number, options enabled on the device, and the device’s language - See “Device Info” on page 13. You also use the Device Info menu to enter the serial number and to enable options on the device after a Processor PCA repair. See “Entering the Serial Number and Enabling Options” on page 128 for more information.

NOTE You can print detailed information on board and module levels through the Print Device Info option,

available in normal operating mode. See “Printing the Device Information” on page 16.

• Install software and change the device’s language using the Software Support Tool - See “Software Support Tool” on page 13.

module - See “Checking the CO2 Module” on page 23.

Accessing Service Mode 1 Introduction

Device Info

To view information about the device:

1. From the Service Mode Main menu, select Device Info.

Figure 7 Device Info Screen

02 Mar 2003 10:52

Service

Model Number: M3536A Serial Number: US00100320 Options: SpO2, CO2, NBP Language: American English

DEVICE INFO

Main Service

Software Support Tool

To install software onto the device or to change the device’s language:

1. Be sure an AC power module or battery charged to at least 20% is in place.

2. Insert the Software Support Tool into the data card slot.

3. From the Service Mode Main menu, select Software Upgrade.

4. Select the appropriate product version.

5. Press the [Upgrade] soft key.

The software is installed on the device. This process takes a few minutes. While the software is being updated, progress messages are displayed and the [Main Service] soft key is disabled.

1 Introduction Accessing Service Mode

NOTE

Be careful not to interrupt the software installation process by removing the power source or turning the device off.

Figure 8 Software Upgrade Screen

02 Mar 2003 10:52

Service SOFTWARE UPGRADE

HeartStart MRx Version B.04.00 Upgrade: American English

Main Service

6. When the software or language installation process is complete, turn the device off and on.

7. Run an Operational Check.

8. Review the Operational Check results to ensure all tests have passed.

See “Operational Check” on page 39.

9. Print the Device Info to ensure the product version or language is correct.

See “Printing the Device Information” on page 16.

Prev Item

Next Item Upgrade

Accessing Service Mode 1 Introduction

10. Affix the appropriate label found in the Software Support Tool kit to battery compartment B, as

show in Figure 9. Additionally, make sure that the customer has the Instructions for Use (found on the User Documentation CD) that matches the product version.

Figure 9 Rear case labels

Primary label

Product Version label

B2.04.00

NOTE The label that you apply to the device is in the format Xx.xx. This is functionally equivalent to the X.xx

Product Version that appears on the Device Info and Software Upgrade screens and the printed device information report. For example, product version B2.04 is functionally equivalent to B.04.

1 Introduction Other Resources

Printing the Device Information

You can print detailed information on product versions, and board and module levels from the Print Device Info menu option. This option is available from the Other menu in clinical modes.

To print the device information:

1. Be sure a battery charged to at least 20% is in place, or that external power is connected.

2. Turn the Therapy Knob to Monitor.

3. Press the Menu Select button to access the Main menu.

4. From the Main menu, select Other.

5. From the Other menu, select Print Device Info.

Detailed information about the device is printed.

Other Resources

For additional information on the HeartStart MRx, refer to the following Learning Products:

• HeartStart MRx Instructions for Use (M3535-91900)

• HeartStart MRx Service Training Video (M3535-89300 NTSC, M3535-89310 PAL)

• HeartStart MRx Lithium Ion Battery Characteristics and Care Application Note (M3535-91930)

Other documentation can be found on the Philips website at:

www.medical.philips.com/goto/productdocumentation.

This chapter describes how to perform routine maintenance on the HeartStart MRx monitor/defibrillator.

Overview

Most routine maintenance is performed by the user. This includes:

• Performing operational checks

• Replacing paper

• Charging and maintaining the lithium ion battery

•Cleaning

2Maintenance

Refer to the Instructions for Use for detailed information on these maintenance procedures.

Service personnel are responsible for the following routine maintenance:

• Yearly calibration (or every 10,000 cycles) of the Noninvasive Blood Pressure (NBP) module

• Yearly calibration (or every 4000 hours) of the End-tidal Carbon Dioxide (EtCO

This chapter provides the following information:

To p ic Pa ge

Maintenance Tools and Equipment 18

Checking the NBP Module 19

Checking the CO

Module 23

) module

2Maintenance Maintenance Tools and Equipment

Maintenance Tools and Equipment

You will need the following equipment to perform the yearly calibration procedures:

• Password to access Service Mode (27689)

•NBP

– manometer

– expansion chamber (volume 250 ml +/- 10%) or an NBP cuff can be used

NOTE If you are using an NBP cuff, make sure it is wrapped around a solid object.

•CO

NOTE In addition to the items listed above, the calibration procedures require tubing and connectors typically

found in a biomedical engineering shop.

– calibration gases and regulator

cal 1 gas 15210-64010 (5% CO

cal 2 gas 15210-64020 (10% CO

cal gas flow regulator M2267A

– electronic flowmeter, M1026-60144

– Gas calibration equipment

cal tube 13907A

FilterLine set, M1920A

– local barometric pressure rating or reading received from a reliable local source (airport, regional

weather station, or hospital weather station) which is located at the same altitude as the hospital or EMS service.

– calculator

)

Checking the NBP Module 2 Maintenance

Checking the NBP Module

NBP

These instructions describe how to test the NBP measurement function. A complete test consists of the following activities, which are described in detail in this chapter.

NBP Check Page

Setup

Check the status displays

Test the accuracy

Test for leaks

Tes t t he l i ne a r it y

Calibrate the NBP Measurement

Run an Operational Check

Each of the procedures assumes the monitor/defibrillator, the manometer, and the expansion chamber are still set up as they were at the end of the previous test.

If all results are as described, the device passes that portion of the test. Return to the Service Mode Main menu by pressing the [Main Service] soft key.

If there is any failure, begin troubleshooting and repairing the device as needed. See “Troubleshooting” on page 33.

1 Access the Service Mode Main menu as described in “Accessing Service Mode” on page 10.

2 From the Service Mode Main menu, select NBP.

The NBP Service screen is displayed.

2Maintenance Checking the NBP Module

NOTE

You will hear a high-pitch tone when you access the NBP Service screen - this is normal operation.

Figure 10 NBP Service Screen

02 May 2003 10:52

Service

Cycle Counter: 50,010 Last Calibration: 2 May 2004

Pressure In Cuff: 23 mmHg

NBP

Replacement recommended

Calibration recommended

Main Service

Check the status displays

1. Check the cycle counter.

Check the number of measurement cycles shown on the screen. If the NBP module has executed more then 50,000 cycles, replacement is recommended. See “NBP Module” on page 160 for instructions on replacing the NBP module.

Following replacement, run the required Performance Verification and Safety Tests (see “Required Testing Levels” on page 180).

2. Check the calibration status.

If the screen indicates that calibration is recommended, perform all of the actions described in this chapter, beginning with "Test the accuracy". The calibration status is automatically reset at the successful completion of a calibration.

Calibrate

Checking the NBP Module 2 Maintenance

NBP Safety Timeout

Do not keep the cuff pressurized for more than 3 minutes. The NBP module times out if the pressure is greater than 5mmHg for 180 seconds. The valve opens and the pressure drops. To reset the module, exit Service Mode and press the [Start NBP] soft key. The inop “Cuff not deflated” is displayed. Access the NBP Service screen again to start the calibration.

Test the accuracy

1 Connect the NBP tubing to the NBP port on the monitor/defibrillator, and connect the test

manometer and expansion chamber to the tubing. See Figure 11.

Figure 11 NBP Test Setup

Expansion Chamber

2 Pressurize the expansion chamber to approximately 280 mmHg.

3 When the pressure stabilizes, compare the displayed pressure reading to the pressure indicated by

4 If the difference between the manometer and the displayed pressure is >+ 2mmHg, perform the

Test for leaks

1 Pressurize the expansion chamber to approximately 280 mmHg.

Tu b i n g

To N B P p o r t

ECG

Manometer

the manometer.

steps in “Calibrate the NBP Measurement” on page 22.

c n

dult

150

0 0

0 5

g r a

0 2

k c

nito

2 Watch the displayed pressure for 60 seconds.

3 At the end of this 60 seconds record the pressure drop. Any pressure drop observed should be

6 mmHg.

4 If the pressure decreases by more than 6 mmHg, there is a leak. Replace the NBP tubing and cuff

and try the leakage test again. If the pressure still decreases by more than 6 mmHg, begin troubleshooting and repairing the device as needed.

5 Release the pressure in the cuff before proceeding to the next test to avoid the safety timeout.

2Maintenance Checking the NBP Module

Test the linearity

1 Pressurize the expansion chamber to increase pressure to approximately 150 mmHg.

2 When the pressure is stabilized, compare the displayed pressure reading to the pressure indicated

by the manometer.

If the difference between the manometer and the displayed pressure is >±2mmHg, perform the steps in "Calibrate the NBP Measurement". Then repeat this linearity test.

Calibrate the NBP Measurement

NOTE If the error message “Calibration failed. Check that the pressure applied is correct. Please restart

calibration.” appears after entering either calibration point, re-start the calibration.

Pressing the [Calibrate] soft key starts the calibration process. You must complete the calibration process within three minutes or the NBP module times out and will be out of calibration.

1 Press the [Calibrate] soft key.

The message “Apply 0 mmHg. Select Next when ready” is displayed.

2 Release all of the pressure in the expansion chamber so that the manometer reads 0 mmHg.

3 Press the [Next] soft key.

The message “Apply 250 mmHg. Select Next when ready” is displayed.

4 Increase the pressure so that the manometer reads 250 mmHg.

5 Press the [Next] soft key.

If the calibration is successful, the message “Calibration complete. Please perform the accuracy and leakage tests to check the results.” is displayed. After several seconds the message clears and the NBP Service screen is displayed.

Run an Operational Check

You must run an operational check after calibrating the NBP module in order for the calibration status to get updated. See “Operational Check” on page 39 for instructions.

Checking the CO2 Module 2 Maintenance

Checking the CO2 Module

These instructions describe how to test the CO2 module. The CO2 tests are as follows:

Check Page

Setup 23

Check the Status Display 24

Ambient Pressure 25

Leakage Check 26

Pump Check 27

Flow Rate Check 28

Noise Check 28

Calibration Check 29

Calibration 30

Run an Operational Check 31

Setup

Each of the tests assumes the device and the test equipment are still set up as they were at the end of the previous test.

If all results are as described, the device passes that portion of the test. Return to the Service Mode Main menu by pressing the [Main Service] soft key.

If there is any failure, begin troubleshooting and repairing the device as needed. See “Troubleshooting” on page 33 for more information.

1 Access the Service Mode Main menu as described in “Accessing Service Mode” on page 10.

2 From the Service Mode Main menu, select CO

The pump starts when you access the CO

Service screen.

2Maintenance Checking the CO2 Module

The CO2 Service screen is displayed, as shown in Figure 12.

Figure 12 CO

Service Screen

02 Mar 2003 10:52

CO2 Sensor Warmup

Service

CO2

CO2 Operating Hours: 15,010 hours Last Calibration: 9 Jun 2002 Ambient Pressure: 756 mmHg Cell Pressure: 756 mmHg

Replacement recommended

Main Service

Check the Status Display

1. Check the CO2 Operating Hours.

You are directed to replace the CO hours is more than 15,000 the message “Replacement recommended” is displayed. See “CO Module” on page 162 for instructions on replacing the CO

2. Check calibration status.

Displays the date of the last calibration. The CO 4000 hours. If more than one year has passed or the module has operated more than 4000 hours since the last calibration, the message “Calibration recommended” is displayed. Perform all of the actions described in this section, beginning with “Ambient Pressure.”

CO2

Ambient Pressure

Leakage Check

Pump Check

Flow Rate Check

Noise Check

Calibration Check

Exit

module after 15,000 hours of operating time. If the number of

module.

module should be calibrated every year or after

Checking the CO2 Module 2 Maintenance

3. Check the ambient and cell pressure.

Obtain a reliable measurement of local barometric pressure (reference value). This is typically available from a local airport, weather station, or the internet. Be sure the reading is taken at the same altitude as the monitor/defibrillator is at now. Check that the monitor/defibrillator’s internal setting of ambient atmospheric pressure (barometric pressure) is within + reference value. If the ambient pressure is not within +

12 mmHg of the reference value, adjust it

through the Ambient Pressure menu. If the ambient pressure is within +

12 mmHg of the

12 mmHg of the reference

value, proceed with the Leakage check.

Ambient Pressure

This menu enables you to adjust the ambient pressure setting of the monitor/defibrillator.

1 If the ambient pressure is not within + 12 mmHg of the reference value, select Ambient Pressure

from the CO

2 Use the Navigation buttons to enter the barometric pressure reference value.

The displayed ambient pressure is updated to the reference value.

Service menu.

2Maintenance Checking the CO2 Module

Leakage Check

The leakage check consists of two parts:

1 Check of the internal tubing between the pump outlet and the CO

Outlet port on the

monitor/defibrillator (device outlet). This test is done by pressurizing the outlet line between the pump and the outlet port.

2 Check of the internal tubing between the pump inlet and the FilterLine inlet. This test is done by

pulling a vacuum on the inlet line between the inlet fitting and the pump.

These procedures are described in the following sections.

Outlet leakage

To perform Part 1 of the CO2 Leakage check:

1 From the CO

Service menu, select Leakage Check.

2 Set up the flowmeter and the MRx.

a. Connect the FilterLine to the monitor/defibrillator CO2 Inlet port.

b. Connect tubing from the flowmeter outlet to the FilterLine.

Figure 13 CO

Outlet Leakage Check Setup

3 Follow the instructions on the screen to perform Part 1 of the Leakage check.

4 The reading on the flowmeter should decrease to between 0 and 4 ml/min.

If this reading is correct, proceed to the second part of the leakage test (the Inlet Leakage) by pressing the [Proceed] soft key.

If this reading is incorrect (>4 ml/min. flow) it indicates a leak in the line between the pump outlet and the CO

Outlet port. Begin troubleshooting and repairing the device as needed. See

“Troubleshooting” on page 33.

Checking the CO2 Module 2 Maintenance

Inlet leakage

To perform Part 2 of the CO2 Leakage check:

1 Set up the flowmeter and the MRx.

a. Leave the FilterLine connected to the monitor/defibrillator CO

Inlet port.

b. Disconnect the FilterLine from the flowmeter outlet.

c. Connect the tubing from the flowmeter inlet to the monitor/defibrillator CO

Outlet port.

Figure 14 CO2 Inlet Leakage Check Setup

2 Follow the instructions on the screen to perform Part 2 of the Leakage check.

3 The reading on the flowmeter should decrease to between 0 and 4 ml/min.

If this reading is incorrect (>4 ml/min. flow) it indicates a leak in the line between the FilterLine inlet and the pump inlet. Begin troubleshooting and repairing the device as needed. See “Troubleshooting” on page 33.

Pump Check

This test checks the ‘strength’ of the pump by occluding the inlet and measuring how deep a vacuum the pump can pull.

NOTE It is important these tests be conducted in this order. For example, if you perform the Pump check and

there’s a leak you haven’t found because you didn’t perform the leak tests, it may appear that the device has a faulty pump when in fact it’s a loose tubing connection.

1 From the CO

2 Follow the instructions on the screen to perform the Pump check.

3 The difference between the cell pressure displayed and the ambient pressure should be more than

120 mmHg.

If the pressure reading is correct (difference >120 mmHg), the device passes the pump test.

If the pressure reading is incorrect, it indicates the pump is defective (regardless of the number of hours it has run) and the CO

Service menu, select Pump Check.

module must be replaced. See “CO2 Module” on page 162.

2Maintenance Checking the CO2 Module

Flow Rate Check

1 From the CO

2 Follow the instructions on the screen to perform the Flow Rate check.

NOTE Be sure there are no kinks, pinches, or obstructions in any of the tubing - this can create a restriction

that will diminish the flow rate and cause a false failure of this test.

3 If the flow rate is within the tolerance limit (50 ml/min ±7.5 ml/min), the test passes.

If the flow rate is not within the tolerance limit, proceed to Step 4 to calibrate the flow rate.

4 Use the Navigation buttons to increase and decrease the flow until it is as close as possible to 50 ml

per minute as indicated on the flowmeter gauge.

5 When you are satisfied that the flow is set as close as possible to 50 ml, press the [Store Flow]

soft key to confirm the setting. If the adjusted flow is not stored within 60 seconds of the adjustment, the old flow setting is restored.

Service menu, select Flow Rate Check.

NOTE If the flow cannot be adjusted to within tolerance, the CO

Module” on page 162.

Noise Check

This test looks for noise on the CO2 signal due to deterioration of the IR source.

1 From the CO

2 Set up the calibration gas as shown in Figure 15.

a. Connect the 5% calibration gas to the CO2 Inlet port.

b. Turn on the gas.

Figure 15 CO

M2267A

15210-64020 10%

15210-64010 5%

Service menu, select Noise Check.

Noise and Calibration Check Setup

M1920A

module must be replaced. See “CO2

13907A

End open to atmosphere

3 Follow the instructions on the screen to perform the Noise check.

4 Wait until the displayed CO

value is stable. Check the noise index reading.

Checking the CO2 Module 2 Maintenance

If the noise index exceeds 3 mmHg, the CO2 module must be replaced. See “CO2 Module” on page 162.

Calibration Check

This tests the accuracy of the CO2 measurement and, if needed, adjusts the measurement to meet specifications.

1 The monitor/defibrillator must be operating for at least 20 minutes prior to starting this test with

the FilterLine connected to the CO

2 From the CO

3 The CO

5% Calibration Check

Set up the calibration gas as shown in Figure 15.

Service menu, select Calibration Check.

Calibration screen is displayed,

a. Connect the 5% calibration gas to the CO2 Inlet port.

b. Turn on the gas.

Inlet port.

5 Wait until the displayed CO

6 Calculate the expected CO

value is stable.

reading, which depends on both the gas concentration you are using

(typically 5.0%) and the ambient pressure. Calculate as follows:

[concentration of cal gas] X [ambient pressure] = expected CO2 value

For example:

[0.05] X [736 mmHg] = 36.8 mmHg

7 Calculate the allowable tolerance, which is ±5% of the expected reading. Calculate as follows:

[±0.05] X [expected CO

value]] = ±[tolerance] mmHg

example:

[±0.05] X [36.8 mmHg] = ±1.8 mmHg

In this example, the reading displayed with 5% cal gas must be 36.8 mmHg ±1.8 mmHg, or between 35.0 mmHg and 38.6 mmHg.

8 Compare the displayed CO

value to the allowable range of values.

If the displayed value falls within the allowable range, proceed to the 10% Calibration Check section below.

If the displayed value does not fall within the allowable range, the CO needs to be calibrated. Perform the steps under “CO

Calibration” on page 30, then begin again at

measurement module

step 1.

2Maintenance Checking the CO2 Module

10% Calibration Check

Disconnect the 5% gas (and regulator, if needed) and connect the 10% gas.

2 Turn on the gas.

3 Wait until the displayed CO

4 Calculate the expected CO

value is stable.

reading, which depends on both the gas concentration you are using

(typically 10.0%) and the ambient pressure. Calculate as follows:

[concentration of cal gas] X [ambient pressure] = expected CO2 value

example:

[0.10] X [736 mmHg] = 73.6 mmHg

5 Calculate the allowable tolerance, which is ±7% of the expected reading. Calculate as follows:

[±0.07] X [expected CO

value]]= ±[tolerance] mmHg

example:

[±0.07] X [73.6 mmHg] = ±5.2 mmHg

In this example, the reading displayed with 10% cal gas must be 73.6 mmHg ±5.2 mmHg, or between 68.4 mmHg and 78.8 mmHg.

6 Compare the displayed CO

7 Return to the CO

CO2 Calibration

If you haven’t already done so, perform the following three steps before proceeding with the calibration.

1 The monitor/defibrillator must be operating and a FilterLine connected to the CO

2 From the CO

3 The CO

value to the allowable range of values.

If the displayed value falls within the allowable range, the device has passed its accuracy test.

If the displayed value does not fall within the allowable range, the CO needs to be calibrated. Perform the steps under “CO

Calibration” on page 30, then begin again at

measurement module

step 1.

Service screen by pressing the [Done] soft key.

Inlet port for

at least 20 minutes prior to starting this test.

Service menu, select Calibration Check and press the Menu Select button.

Calibration screen is displayed. Wait until the display indicates the autozero is finished

before proceeding.

Checking the CO2 Module 2 Maintenance

Calibration

Connect the 5% calibration gas (and regulator, if needed) to the CO2 Inlet port. Turn on the gas.

5 Wait until the displayed CO

6 Press the [Calibrate] soft key.

7 The screen prompts you for the value of cal gas being used. Acceptable values are from 4% to 6%.

value is stable.

The recommended value is 5%, which is the default.

8 Using the Navigation buttons, set the correct cal gas value, then press the Menu Select button.

9 When you have selected the correct cal gas value, the monitor/defibrillator begins an auto

calibration sequence, and the screen displays the message "CO

calibration in progress". Do not

remove the gas until the monitor/defibrillator is finished as indicated by the screen prompts.

Calibration Verification

If it is not already connected, connect the 5% calibration gas (and regulator, if needed) to the CO2

Inlet port. Turn on the gas.

11 Wait until the displayed CO

12 Check the displayed CO

value is stable.

value against the expected value calculated earlier. The displayed value

should match the expected value within the tolerance calculated earlier.

13 Disconnect the 5% gas and connect the 10% gas.

14 Wait until the displayed CO

15 Check the displayed CO

value is stable.

value against the expected value calculated earlier. The displayed value

should match the expected value within the tolerance calculated earlier.

If both the 5% and 10% values are correct, the device has been successfully calibrated.

If either value is not within tolerance, repeat the calibration beginning at step 1. If the device fails the Calibration Verification a second time, replace the CO page 162.

Run an Operational Check

You must run an operational check after calibrating the CO2 module in order for the calibration status to get updated. See “Operational Check” on page 39 for instructions.

module. See “CO2 Module” on

This chapter describes how to troubleshoot the HeartStart MRx monitor/defibrillator.

Overview

Here are the topics covered in this chapter:

To p ic Pa ge

Troubleshooting Tools and Equipment 34

Obtaining Replacement Parts 34

Ready For Use Indicator 35

Automated Tests 36

Operational Check 39

Service Mode Tests 44

Troubleshooting Methodology 45

Troubleshooting Flowcharts 47

Troubleshooting Tables 53

3Troubleshooting

3 Troubleshooting Troubleshooting Tools and Equipment

Troubleshooting Tools and Equipment

You need the following tools and equipment:

• Defibrillator Discharge Tool (M2475-69573) — Used to discharge the defibrillator capacitor.

• 50 ohm defibrillator test load, grey plug connector (M3725A)

• 50 ohm defibrillator test load, white barrel connector (M1781A)

Obtaining Replacement Parts

See “Parts and Accessories” on page 211 for details on replacement parts.

Ready For Use Indicator 3 Troubleshooting

Ready For Use Indicator

The Ready For Use (RFU) indicator, located on the upper right corner of the device, reports the status of critical functions of the device as determined by the Automated tests. These Automated tests run periodically while the device is turned off (but has a power source) and check the following critical functions of the device:

• defibrillation and cardioversion

•pacing

• pads/paddles ECG

• 3-lead/5-lead/12-lead ECG

• battery

The RFU indicator also reports failures in critical functions detected at run time, during an Operational Check, and during Service Mode tests. Always check the RFU indicator when troubleshooting the device.

Automated test failures of non-critical components (such as the NBP, SpO modules) are not reflected in the RFU indicator, but are reported through inops when the device is turned on.

The RFU indicator displays the status of the device using the following definitions.

Table 1 RFU Indicator Status

RFU Status Meaning Required Action

Blinking black hourglass Shock, pacing, and ECG functions are

ready for use and sufficient battery power is available.

Blinking red “X” with or without a periodic chirp

Solid red “X” and a periodic chirp

Solid red “X” without a periodic chirp

Low battery or no battery. The device can be used but run time is limited. Chirping indicates the battery is not being charged. No chirping indicates the battery is being charged.

A failure has been detected that prevents the delivery of a shock, pacing, or ECG acquisition.

No power, or device failure (cannot turn on).

None

Charge the battery as soon as possible and/or replace the battery with a charged battery. Charging may be done in the HeartStart MRx by connecting to AC/DC power, or in a

Philips-approved battery support system.

Turn the Therapy Knob to Monitor. A message describing the failure is displayed. Begin troubleshooting, as described in “Troubleshooting Methodology” on page 45.

Note: The device displays the message for the first critical failure that is detected. To see additional failures (if any) run an Operational Check and check the status log.

Insert a charged battery or connect to AC/DC power. Begin troubleshooting, as described in “Troubleshooting Methodology” on page 45.

, CO2, and printer

NOTE The RFU indicator briefly displays a solid red “X” when initially turning on the device, switching

between clinical and non-clinical operating modes, and at the start of any Automated test.

3 Troubleshooting Automated Tests

Automated Tests

The HeartStart MRx performs many maintenance activities independently, including three tests that run automatically at regularly scheduled intervals while the device is off to assess operational performance and alert you if a problem exists. Results of tests associated with critical functionality of the device are reported through the Ready For Use indicator and the Automated Test Summary report. Results are also reported through inop statements on the display when the HeartStart MRx is turned on. Table 2 provides a brief explanation of the tests and lists the frequency with which each test is performed.

Table 2 Automatic Self-Tests

Tes t Ty p e /Freq u en c y Description

Hourly Tests batteries, internal power supplies, and internal memory.

Daily, between 11:00 PM and 1:00 AM

Weekly (Sunday between 11:00 PM and 1:00 AM)

Tests batteries, internal power supplies, internal memory, internal clock battery, defibrillation, pacing, ECG, SpO EtCO

, NBP, and printer. The defibrillation test includes low

energy internal discharges. If a 3-, 5-, or 10-lead ECG cable is attached, the cable is tested as well.

Performs a Daily Test plus delivers a high energy internal discharge to exercise the entire defibrillation circuitry.

NOTE Automated tests do not test the therapy cables, paddles, buttons, audio, or the display. An ECG cable is

tested if connected at the time of the test.

Automated Test Summary

An Automated Test Summary (ATS), showing the results of recent tests, may be viewed or printed as evidence that the HeartStart MRx is tested regularly. To run the ATS:

1 Turn the Therapy Knob to Monitor.

2 Press the Menu Select button.

3 Using the Navigation buttons, select Other and press the Menu Select button.

4 Select Operational Check and press the Menu Select button.

The message “Leaving Normal Operating Mode” appears to let you know that you are exiting from clinical functionality of the device.

5 Using the Navigation buttons, select Auto Test Summary and press the Menu Select button.

The Automated Test Summary is displayed.

6 Press the [Print] soft key to print the report.

Automated Tests 3 Troubleshooting

The report shows the results of the most recent hourly test, the daily tests that have run since the last weekly test, and the last 53 weekly tests. Test results are reported, as described in Table 3.

Figure 16 Automated Test Summary Screen

02 Mar 2003 10:52

Automated Test Summary

1 02 Mar 03 10:45 Hourly Pass

2 02 Mar 03 2:00 Daily Fail/NC

2 02 Mar 03 2:00 Daily Fail/NC 3 01 Mar 03 2:00 Daily Pass 4 28 Feb 03 2:00 Daily Pass 5 27 Feb 03 2:00 Daily Pass 6 26 Feb 03 2:00 Daily Pass 7 25 Feb 03 2:00 Daily Pass 8 24 Feb 03 2:00 Weekly Pass 9 17 Feb 03 2:00 Weekly Pass 10 10 Feb 03 2:00 Weekly Pass 11 03 Feb 03 2:00 Weekly Pass 12 27 Jan 03 2:00 Weekly Pass 13 20 Jan 03 2:00 Weekly Pass 14 13 Jan 03 2:00 Weekly Pass 15 06 Jan 03 2:00 Weekly Pass 16 30 Dec 02 2:00 Weekly Pass 17 23 Dec 02 2:00 Weekly Pass 18 16 Dec 02 2:00 Weekly Pass 19 09 Dec 02 2:00 Weekly Pass 20 02 Dec 02 2:00 Weekly Pass 21 25 Nov 02 2:00 Weekly Pass 22 18 Nov 02 2:00 Weekly Pass 23 11 Nov 02 2:00 Weekly Pass 24 04 Nov 02 2:00 Weekly Pass 25 28 Oct 02 2:00 Weekly Pass 26 21 Oct 02 2:00 Weekly Pass 27 14 Oct 02 2:00 Weekly Pass 28 07 Oct 02 2:00 Weekly Pass 29 30 Sep 02 2:00 Weekly Pass 30 23 Sep 02 2:00 Weekly Pass

31 16 Sep 02 2:00 Weekly Pass 32 09 Sep 02 2:00 Weekly Pass 33 02 Sep 02 2:00 Weekly Pass 34 26 Aug 02 2:00 Weekly Pass 35 19 Aug 02 2:00 Weekly Pass 36 12 Aug 02 2:00 Weekly Pass 37 05 Aug 02 2:00 Weekly Pass 38 29 Jul 02 2:00 Weekly Pass 39 22 Jul 02 2:00 Weekly Pass 40 15 Jul 02 2:00 Weekly Pass 41 08 Jul 02 2:00 Weekly Pass 42 01 Jul 02 2:00 Weekly Pass 43 24 Jun 02 2:00 Weekly Pass 44 17 Jun 02 2:00 Weekly Pass 45 10 Jun 02 2:00 Weekly Pass 46 03 Jun 02 2:00 Weekly Pass 47 27 May 02 2:00 Weekly Pass 48 20 May 02 2:00 Weekly Pass 49 13 May 02 2:00 Weekly Pass 50 06 May 02 2:00 Weekly Pass 51 29 Apr 02 2:00 Weekly Pass 52 22 Apr 02 2:00 Weekly Pass 53 15 Apr 02 2:00 Weekly Pass 54 08 Apr 02 2:00 Weekly Pass 55 01 Apr 02 2:00 Weekly Pass 56 25 Mar 02 2:00 Weekly Pass 57 18 Mar 02 2:00 Weekly Pass 58 11 Mar 02 2:00 Weekly Pass 59 04 Mar 02 2:00 Weekly Pass 30 25 Feb 02 2:00 Weekly Pass

Exit Summary Print

3 Troubleshooting Automated Tests

Tab l e 3 ATS R e s u lt s

Result RFU

Definition Required Action

Indicator

Pass Hourglass All tests passed None

Fail/C Solid Red “X”

accompanied by a chirp

Fail/NC Hourglass A non-critical failure was detected. Non-

Fail/BF Blinking “X” The battery is not charged to the

A critical failure was detected. Critical failures impact life-saving functionality, including defibrillation, pacing, and ECG acquisition.

critical failures do not impact life-saving functionality.

minimum level (20%), there is no battery present, or a battery failure was detected.

Respond to the RFU indicator as described in “Troubleshooting Flowcharts” on page 47.

Press the [Exit Summary] soft key. An inop statement indicating the failure is displayed.You can also note the time of the failed test, then check the Status log for failures logged at approximately the time of the test. Refer to the Troubleshooting Tables in this chapter for the action to take. The message will continue to display in all modes until the problem is corrected. (Refer to the Instructions for Use for a complete set of user prompts and messages,)

Charge the battery as soon as possible and/ or replace the battery with a charged battery. Charging may be done in the HeartStart MRx by connecting to AC/DC power, or in a

support system.

Philips-approved battery

Operational Check 3 Troubleshooting

Operational Check

Operational Checks should be performed at regular intervals to supplement the hourly, daily, and weekly Automated Tests executed by the MRx. Automated Tests provide adequate assurance that the device is in a functional state of readiness. Operational Checks supplement the Automated Tests by verifying therapy cables, the ECG cable, paddles, audio, and display functionality, along with replicating the Weekly test. Operational Checks also notify you if the battery, NBP module, or CO module need calibration.

At completion of the Operational Check, the message “Operational Check Passed” is displayed if all of the tests pass. If any test fails the message “Non-Critical Failure”, “Critical Failure”, or “Battery Failure” is displayed, depending upon the severity of the failed functionality. You must fix the problem and successfully run the Operational Check to clear the failure.

Keep in mind the following points about the Operational Check:

• The Operational Check runs the Defib test on battery power to reflect optimal operating conditions for defibrillation. The device automatically disconnects AC/DC power.

• Perform the Defib Test for each type of patient Therapy cable used on the device (multifunction defib pads, external or internal paddles). At the conclusion of the Defib Test, you can attach another Therapy cable and repeat the test.

• The message “In Progress” is displayed as each test is run. The test result (pass or fail) is displayed at the completion of each test. (See Table 4 on page 41 for a full explanation of each test.)

• Use the test results to troubleshoot and repair the device.

• Clear the Status log after all errors have been addressed and the Operational Check passes. See “Status Log Errors” on page 55 for more information.

To run the Operational Check:

1 Insert a battery charged to at least 20%.

2 Attach a Pads or Paddles therapy cable.

3 Attach an ECG cable.

4 Turn the Therapy Knob to Monitor.

5 Press the Menu Select button.

6 Using the Navigation buttons, select Other and press the Menu Select button.

NOTE You can run Operational Check from the Other menu in Monitor Mode or from the Service Mode

Main menu - the Operational Check is the same in both modes. When you exit the Operational Check from Service Mode, you are returned to Monitor Mode.

7 Select Operational Check and press the Menu Select button.

8 Select Run Operational Check and press the Menu Select button.

“Leaving Normal Operating Mode. Patient Monitoring is Off. To return to Normal Operating Mode, press the Exit Softkey.” appears.

9 Press the Menu Select button to acknowledge the message.

10 Carefully read and respond to the Operational Check prompts for each test. Screen prompts are

accompanied by an audio prompt to alert you of a message that should be acknowledged before proceeding with the rest of the Operational Check.

3 Troubleshooting Operational Check

When a response is required, use the Navigation buttons to select your answer and the Menu Select button to confirm your choice. Table 4 shows the tests, in the order in which they are performed, explains the prompts that may appear, and describes the actions you should take (if any).

NOTE Options that are not on the device do not appear on the screen or printed report.

Figure 17 Operational Check Screen

02 Mar 2003 10:52

Operational Check

Model Number: M3535A Serial Number: US00108360

Last Operational Check: 01 Mar 2003 9:35 Pass Display Test: Pass General System Test: Pass Audio Test: Pass Leads ECG Test: Pass/ECG Cable

Pads/Paddles ECG Test: Pass/Pads

Pacer Test: Pass Defib Test: Pass/External Paddles Pass/Internal Paddles Pass/Pads Battery Compartment A Test: Pass/Cal Recommended Battery Compartment B Test: Pass SpO2 Test: In Progress NBP Test: CO2 Test: Printer Test:

In Progress

Exit Op Check

WARNING Be sure to safely discharge internal and external paddles tested during the Operational Check, as

described in Table 4.

Operational Check 3 Troubleshooting

Table 4 Operational Check Tests

Te s t Description Prompts Action

Display A test pattern is displayed; the

display is filled with black, then white, then red from top to bottom, then green from left to right.

General System Tests internal clock battery,

power supply, and internal memory card.

Audio The voice prompt,

Delivered

Leads ECG Tests leads ECG acquisition

and, if attached, the ECG cable. The recommended practice is to run the test with the ECG cable attached.

Pads/Paddles ECG Checks ECG acquisition

through pad/paddles.

is annunciated.

No Shock

Did you see the test pattern correctly?

None. None.

Did You Hear, “No Shock Delivered?”

•

Connect ECG Cable, Cable Connected

or Test Without

Cable

• Detach Leads, if the ECG

cable is connected to a patient or the leads are shorted together.

•

Disconnect ECG Cable, if the

test fails with the cable connected.

Remove Paddles from Holders

Place Paddles in Holders

Use the navigation buttons to respond Yes or No. Then press the Menu Select button.

• Connect an ECG cable and select “Cable Connected” or “Test Without Cable”.

• Make sure the leads are not attached to a patient, a simulator, or touching each other.

• Disconnect the ECG cable.

Note: If testing paddles, make sure that they are secured in their pockets. If the PCI LEDs light, adjust the paddles in the pockets. If the LEDs continue to light, clean the paddle electrode surfaces.

Remove the paddles from the holders.

Place the paddles in the holders.

Pacer

(only runs if the option is present)

Tests pacing functionality and delivers a paced pulse into a 50 ohm test load.

Connect Pads/Paddles Cable, Connect Therapy Cable

• Connect Pads Cable, if the

Pads cable is not detected.

• Attach Test Load, if a test load is not detected.

Attach the Pads or Paddles cable typically used.

• Connect the Pads cable to the MRx, if prompted.

• Connect the test load to the Pads cable, if prompted.

3 Troubleshooting Operational Check

Table 4 Operational Check Tests (Continued)

Te s t Description Prompts Action

Defib Tests defibrillation circuitry and

delivers a shock through:

• pads, into a test load,

and/or

• external paddles, into the MRx,

and/or

• internal paddles, into a load.

Depending on the cable connected, as follows:

• If the Pads cable is attached, you are prompted to,

Verify Test Load is Attached and Press the Charge Button

• If external paddles are attached, you are prompted to,

Verify Paddles are in Holders and Press the Charge Button

• If internal paddles are attached, you are prompted to,

Respond to the prompt, as follows:

• Check the test load is attached and press the Charge button.

• Make sure the paddles are seated in their pockets and press the Charge button.

• Apply the paddles to the load and press the Charge button.

Apply Paddles to Load and Press the Charge Button

• If no cable is attached, you are prompted to,

Cable

Once charged the Shock button lights and you are prompted to,

Connect Therapy

• Connect a Therapy cable.

Press the Shock button.

Press Shock or Press Shock buttons on paddles

After the test completes using one Therapy cable, you are prompted to,

Run defib test again with a

different therapy cable? Yes/No

Battery A Battery B

SpO

NBP Checks to see if the NBP

Printer Runs a printer self test. None. None.

Checks the capacity and calibration status of the batteries in Compartments A and B.

Checks the internal SpO2 PCA. The SpO

module is functioning; determines if it is due for calibration.

Checks to see if the CO module is functioning; determines if it is due for calibration.

cable is not tested.

Cal Recommended, if battery

calibration is required.

None. None.

Use the Navigation and Menu Select buttons to respond. Change the cable and select to repeat the test for another cable. You should repeat the test for each cable used. Select once all cables have been tested.

If prompted, calibrate the battery. See the Instructions for Use for details.

Yes,

No,

Operational Check 3 Troubleshooting

Operational Check Report

The Operational Check takes only a short time to complete. When it is done, a report is printed, as shown in Figure 18. The first part of the report lists test results. The second part lists checks to be performed by the user.

Figure 18 Operational Check Report

Operational Check Report Model Number: M3535A Serial Number: USD00123456 Options: 12-Lead NBP SpO2 EtCO2 Pacer Ver.: B.03.00

Current Operational Check: DD Mon YYYY HH:MM:SS

Last Operational Check: DD Mon YYYY HH: MM:SS: Pass/Fail

Qty/Check List: ___ Defibrillator Inspection ___ CO2 FilterLine ___ Cables/Connectors ___ Paddles/Pads ___ Monitoring Electrodes ___ Charged Batteries ___ AC/DC Power & Cord ___ Printer Paper ___ Data Card ___ SpO2 Sensor ___ NBP Cuffs & Tubing

Current Test Results: Display Test: Pass General System Test: Pass Audio Test: Pass Leads ECG Test: Pass/ECG Cable Pads/Paddles ECG Test: Pass/Pads Pacer Test: Pass Defib Test: Pass/External Paddles Battery Compartment A Test: Pass Battery Compartment B Test: Pass SpO2 Test: Pass

NBP Test: Pass CO2 Test: Pass Printer Test: Pass

Comments:

Inspected by:______________________

Press the [Print] soft key when the Operational Check is complete to print an additional copy of the report.

3 Troubleshooting Service Mode Tests

Operational Check Summary

The Operational Check summary lists the results from the last 60 operational checks.

To view the Operational Check summary:

1 Turn the Therapy Knob to Monitor (or Exit Service Mode, if applicable).

2 Press the Menu Select button.

3 Using the Navigation buttons, select Other and press the Menu Select button.

4 Select Operational Check and press the Menu Select button.

5 Select Op Check Summary and press the Menu Select button.

The message “Leaving Normal Operating Mode. Patient Monitoring is Off. To return to Normal Operating Mode, press the Exit Softkey.” appears. The Operational Check Summary screen is displayed.

6 Press the [Print] soft key to print the report.

Service Mode Tests

These tests include manual interaction on tests such as the display and controls. These tests help you to isolate any problems with the device. See “Service Mode Tests” on page 192 for more information on Service Mode tests.

Troubleshooting Methodology 3 Troubleshooting

Troubleshooting Methodology

We recommend using the methodology described on the following pages to isolate and repair problems with the HeartStart MRx.

1. Decontaminate the device using local decontamination procedures.

Refer to the Instructions for Use.

2. Check the Ready for Use (RFU) indicator.

See “Ready For Use Indicator” on page 35.

3. Perform a visual inspection.

Thoroughly examine the device and its cables and accessories. Refer to “Visual Inspection” on page 191.

If no further troubleshooting is needed, proceed to Step 13 to repair the device. Otherwise, continue with Step 4.

4. Turn on the device.

Failures and messages appear on the display when you turn on the monitor/defibrillator.

Continue with Step 5.

5. Check the status log.

The Status log includes entries for all errors logged during normal operating mode, Automated tests, Service Mode tests, and Operational Checks. The error indicates the most likely module or PCA that failed. (See "Status Log Errors" on page 55 for more information.)

Continue with Step 6.

6. Run the Operational Check.

The Operational Check tests the functionality of all PCAs and modules present on the device. For example, if the HeartStart MRx is equipped with the Noninvasive Blood Pressure measurement, the Operational Check performs a self-test on that module, and includes the results both on the screen and on the printed report. The Operational Check results indicate the area of the device that is experiencing problems. Use this information to troubleshoot and repair the device. See “Operational Check” on page 39 for detailed instructions.

Continue with Step 7.

7. Check the Status log and the Automated Test summary.

Any errors that occur during the Operational Check are written to the Status log. Use these messages to isolate the problem. The Automated Test summary lists the results of past hourly, daily, and weekly tests and provides you with information on the device’s history.

If no further troubleshooting is needed, proceed to Step 13 to repair the device. Otherwise, continue with Step 8.

3 Troubleshooting Troubleshooting Methodology

8. Use the Troubleshooting tables to identify the problem.

Use the Troubleshooting tables to find information on messages and common troubleshooting issues.

If no further troubleshooting is needed, proceed to Step 13 to repair the device. Otherwise, continue with Step 9.

9. Interview the user. Gather the external components.

If possible, talk directly with the user who reported the problem. Identify what they were doing when the problem occurred, and exactly what happened. What was on the display? Were any sounds noticed? Were there operational problems?

If possible, obtain the cables, paddles, battery, etc., that were in use when the problem occurred and use them in your evaluation.

If no further troubleshooting is needed, proceed to Step 13 to repair the device. Otherwise, continue with Step 10.

10. Try to reproduce the problem.

Try to reproduce the problem using the Troubleshooting tables to identify the symptoms and possible solutions and perform any repairs indicated, as in Step 13.

If the problem cannot be reproduced, an intermittent condition or operator error is likely. Check the device’s repair history (Step 11.)

11. Examine the device’s repair history.

Some intermittent problems cannot be reproduced. If the device was returned before for the same problem, replace the most likely subassembly.

12. Run the Service tests, if needed.

Use the tests available in Service Mode to focus in on possible causes. See“Service Mode Tests” on page 192 for more information.

13. Repair any problems found.

Follow the procedures in the Repair chapter to replace defective parts or subassemblies. When the repair is complete, continue with Step 14.

14. Verify the device’s performance.

Use the procedures found in the Performance Verification chapter to verify that the device is operating properly. Be sure the testing you perform is appropriate for the level of repair. The requirements for testing are described in “Required Testing Levels” on page 180.

Troubleshooting Flowcharts 3 Troubleshooting

Connections

est

ests

Checks

Check

Troubleshooting Flowcharts

Figure 19 shows the parts of the device that are tested in each mode. Use this chart to troubleshoot the device based on failures in some tests and not in others.

Figure 20 through Figure 24 show the troubleshooting steps for each state of the RFU Indicator.

Figure 19 Test Coverage

Controls

Software/Firmware

Patient Cable

Panel

Analog H

A/D CPU

SW/FW

Printer

Electromechanical

Module/PCA

lf T

Test Load

Simulator +

Load

Equipment

Test

Automated T

Manual Op

Functional

Performance

rif. Test

SW/FW

Display

Speaker

User

3 Troubleshooting Troubleshooting Flowcharts

Figure 20 RFU Indicator Hourglass

Hourglass

Turn Therapy Knob to

Monitor

Yes

Is screen blank?

Turn Therapy Knob to

AED

INOP displayed?

Yes

Take appropriate action.

Run Operational Check, if

necessary.

Check Status log

Troubleshoot device, using

tables, if necessary

Repair

Run Performance

Verification tests

Place device back in service

Voice prompt heard?

Yes

Replace Display

assembly

Troubleshooting Flowcharts 3 Troubleshooting

Figure 21 RFU Indicator Blinking X With Chirp

Blinking X with chirp

Insert charged battery (20%

capacity) or external power

supply

RFU displays

Hourglass?

Turn on device

Run Operational Check

Check Status log

Troubleshoot device, using

tables, if necessary

Repair, if necessary

Run Performance

Verification tests, if

necessary

Yes

Place device back in service

3 Troubleshooting Troubleshooting Flowcharts

Figure 22 RFU Indicator Blinking X No Chirp

Blinking X no chirp

Insert charged battery (20%

capacity)

RFU displays

Hourglass?

Turn on device

Run Operational Check

Check Status log

Troubleshoot device, using

tables, if necessary

Repair, if necessary

Yes

Run Performance

Verification tests, if

necessary

Place device back in service

Troubleshooting Flowcharts 3 Troubleshooting

Figure 23 RFU Indicator Solid X With Chirp

Solid X with chirp

Turn on device

ECG message

displayed?

Acknowledge failure message (shock or pacing, functions)

Run Operational Check

Check Status log

Troubleshoot device, using

tables, if necessary

Repair

Run Performance

Verification tests

Yes

Run Operational Check with

ECG cable

ECG test fails?

Yes

Run ECG test without ECG

cable

ECG test passes?

Replace ECG cable

Operational Check

passes?

Yes

Place device back in service

3 Troubleshooting Troubleshooting Flowcharts

Figure 24 RFU Indicator Solid X No Chirp

Solid X no chirp

Check power source

RFU displays

Hourglass, no

inops?

Device turns on?

Yes

Run Operational Check

Check Status log

Troubleshoot device, using

tables, if necessary

Repair, if necessary

Run Performance

Verification tests

Yes

Replace Processor PCA

Device turns on?

Yes

Call Response Center

Place device back in service

Troubleshooting Tables 3 Troubleshooting

Troubleshooting Tables

The Troubleshooting tables provide information on messages and common troubleshooting issues.

NOTE Before replacing any components, always run an Operational Check and check the Status log for

errors. Before replacing any parts, check to see if all the cables and flex circuits are properly connected See “Repair Notes” on page 82.

This section is organized into the following tables:

To p ic Pa g e To p i c Pa ge

Audio Tones 54 Defibrillation Problems 70

Status Log Errors 55 Pacing Problems 70

Startup Errors 62 Printing Problems 74

General Problems 63 Display Problems 75

ECG Monitoring Problems 64 Audio Problems 75

NBP Monitoring Problems 66 Controls Problems 76

SpO

Monitoring Problems 67 Internal Memory Problems 77

Monitoring Problems 68 External Data Card Problems 77

3 Troubleshooting Troubleshooting Tables

Audio Tones

The HeartStart MRx emits tones to alert you to its status.

Table 5 Audio Tones

Tone/Indication Definition

Single beep. Message tone. Accompanies a new message on the display. Informational such as

switching to the other battery.

Continuous tone, lower pitch than charged tone.

Continuous tone. Charged tone. Generated when the selected defibrillation energy is reached and

Periodic chirp. Low battery or RFU failure. Repeated periodically while the condition exists.

Continuous tone, alternating pitch. Device will shut down in one minute.

Tone repeated once a second. Red alarm indicator message for applicable HR/arrhythmia, apnea, and extreme desat alarms.

High pitched tone repeated five times followed by a pause. Red alarm indicator message for applicable HR/arrhythmia, apnea, and extreme desat alarms.

Tone repeated every two seconds, lower pitch than red alarm tone. Yellow alarm indicator message for applicable HR/arrhythmia, SpO NBP, and EtCO

alarms.

Lower pitched tone is repeated three times, followed by a pause. Yellow alarm indicator message for applicable HR/arrhythmia, SpO NBP, and EtCO

alarms.

Tone repeated every two seconds, lower pitch then yellow alarm tone. Cyan indicator message.

Lower pitched tone is repeated twice, followed by a pause. Cyan indicator message.

Tone occurring synchronously with each heart beat.

Charging tone. Generated when the Charge button is pressed and continues until the device is fully charged.

continues until the Shock button is pressed, the [Disarm] soft key is pressed, or the device disarmed automatically after the configured time had elapsed since pressing the Charge button.

Philips’ Red Alarm Tone:

Generated while at least one red alarm is occurring.

80.5 dB

IEC Red Alarm Tone:

Generated while at least one red alarm is occurring.

76.5 dB

Philips’ Yellow Alarm Tone:

Generated while at least one yellow alarm is occurring.

67.4 dB

IEC Yellow Alarm Tone:

Generated while at least one yellow alarm is occurring

73.4 dB

Philips’ Inop Tone:

Generated while at least one inop condition is occurring.

IEC Inop Tone:

Generated while at least one inop condition is occurring.

QRS tone.

Troubleshooting Tables 3 Troubleshooting

Status Log Errors

The Status log includes entries for all errors logged during normal operating mode, Automated tests, Service and Configuration Mode, and Operational Checks. In some cases, an inop also appears on the screen, when in normal operating mode. Non-critical conditions, such as low battery, and calibration due, are not listed in the Status log.

Each entry includes the:

• date and time of the error

• most likely module or PCA that failed

• 8-digit error code for software errors (for factory use)

• optional additional information about the error

• device operating mode at the time of the error

The status log can contain up to 50 entries, with 25 being displayed on a single screen.

NOTE Clear the Status log after a successful Operational Check by pressing the Menu Select button from the

Status log menu and selecting Clear Log.

To view the Status log:

1 Access Service Mode.

See “Accessing Service Mode” on page 10.

2 From the Service Mode Main menu, select Status Log and press the Menu Select button.

3 Troubleshooting Troubleshooting Tables

Page

Press the [Print Log] soft key if you want to print the report

Figure 25 Status Log Screen

26 Apr 2003 10:52

STATUS LOG

Print Log

Status Log

Clear Log

Exit

Service

25 Apr 2003 10:50 Selftest - NBP Module (autotest) 24 Apr 2003 15:15 Disconnect Failed - 12LXmit Device 23 Apr 2003 8:15 Internal Fan Failure - Fan Assembly (service) 22 Mar 2003 5:20 Communication - NBP Module (autotest) 21 Mar 2003 11:00 Processor 5V - Power PCA (opcheck) 20 Feb 2003 13:20 ECG Gain Accuracy - Processor PCA (service) 19 Feb 2003 7:45 ECG Bias - Processor PCA (opcheck) 18 Jan 2003 15:15 Main Software 0x00A00151 (runtime) 17 Jan 2003 2:25 No response - 12LXmit Device 16 Jan 2003 2:24 Communication - SpO2 Module (autotest) 15 Dec 2002 18:18 Communication - SpO2 Module (autotest) 14 Dec 2002 18:18 Communication - Printer Assembly (opcheck) 13 Dec 2002 3:30 Communication - Printer Assembly (opcheck) 12 Nov 2002 17:05 Main Software 0x00C00082 (runtime) 11 Oct 2002 11:11 ECG 5V - Processor PCA (autotest) 10 Oct 2002 7:25 Configure Failed - 12LXmit Device 9 Oct 2002 5:23 Main Software 0x00C00082 (runtime) 8 Oct 2002 4:23 Selftest - NBP Module (autotest) 7 Oct 2002 4:23 Communication - SpO2 Module (autotest) 6 Oct 2002 4:23 Selftest - Printer Assembly (autotest) 5 Oct 2002 5:23 Pads Noise - Processor PCA (autotest) 4 Oct 2002 5:15 DSP Communication - Processor PCA (autotest) 3 Oct 2002 3:25 Pads Noise - Processor PCA (autotest) 2 Sep 2002 1:20 Selftest - CO2 Module (opcheck) 1 Sep 2002 1:20 Selftest - CO2 Module (opcheck)

Main Service

Troubleshooting Tables 3 Troubleshooting

Table 6 Status Log Errors

Inop Status Log Error Suggested Solution

Fan Failure Internal Fan Failure Replace Fan assembly.

Power Supply Failure Processor 5V Replace Processor PCA.

Therapy 5V Replace Therapy PCA.

Therapy 5V Replace Power PCA.

V Standby Replace AC/DC power module.

Replace Power PCA.

12V Supply Replace Power PCA.

3V Supply Replace Power PCA.

3V Standby Replace Processor PCA.

Ground Voltage Replace Processor PCA.

Shock Equip Malfunction Charge/Shock Failure Replace Therapy PCA.

Pacing Failure Replace Therapy PCA.

Pacer Equip Malfunction Pacing Failure Replace Therapy PCA.

ECG Equip Malfunction ECG Gain Replace Processor PCA.

ECG Noise Replace Processor PCA.

ECG 5V Replace Processor PCA.

ECG Front End Failure Replace Processor PCA.

ECG Bias Replace Processor PCA.

ECG Cable Failure ECG Bias Replace ECG cable.

Pads Cable Failure Pads Bias Replace Pads cable.

Paddles Cable Failure Pads Bias Replace Pads cable.

Pads ECG Equip Failure Pads Gain Replace Power PCA.

Pads Noise Replace Power PCA.

Pads 5V Replace Power PCA.

Pads PCI Replace Pads cable/Power PCA.

Paddles in Pockets Replace Pads cable/Power PCA.

Pads Impedance Replace Pads cable/Power PCA.

Pads Bias Replace Power PCA.

NBP Equip Malfunction Self test Replace NBP module.

Communication Replace NBP module.

SpO

Equip Malfunction Self test Replace SpO2 module.

Communication Replace SpO

module.

3 Troubleshooting Troubleshooting Tables

Table 6 Status Log Errors (Continued)

Inop Status Log Error Suggested Solution

CO2 Equip Malfunction Self test Replace CO2 module.

Communication Replace CO

module.

Printer Malfunction Selftest Replace printer.

Communication Replace printer.

Incompatible Printer Unsupported language - Printer

Assembly

The 50mm printer is in the device and the software is looking for the 75 mm printer. Install the 75 mm printer in the device.

None. SW Watchdog Fail If recurring, reload software and contact Response

Center.

The following table lists additional actions to try if the suggested solution in Table 6 does not fix the problem.

Table 7 Additional Solutions

Inop Status Log Error Suggested Solution

NBP Equip Malfunction Communication • Replace NBP module cable.

• Replace case interconnect ribbon cable.

• Replace Processor PCA.

SpO

Equip Malfunction Communication • Replace measurement module panel.

• Replace Processor PCA.

Selftest • Replace Processor PCA.

Equip Malfunction Communication • Replace CO2 module ribbon cable.

• Replace case interconnect ribbon cable.

• Replace Processor PCA.

Printer Malfunction Communication • Replace printer data cable.

• Replace Processor PCA.

The following table lists the messages and corresponding 12-lead transmission errors that can appear in the status log. For additional information on 12-lead transmission implementation, see the 12-Lead Transmission Implementation Guide (M3536-90900).

Troubleshooting Tables 3 Troubleshooting

Table 8 12-Lead Transmission Status Log Errors

Error Message Status Log Error Possible Causes Suggested Solutions

Transmission Settings Have Not Been Configured

No transmission devices detected

Missing settings 12LXmit Config

No response 12LXmit Device

The Hub information settings are not correct.

•The cell phone is not connected properly.

•The cell phone’s RS232 port is not configured correctly.

•The cell phone’s RS232 port hardware is incompatible.

• The serial cable is defective or incompatible.

Modify the Hub Configuration settings on the MRx as needed.

• Check that the phone is connected to the serial cable and that the serial cable is connected to the RS232 port on the MRx. For some phones, it may be necessary to disconnect the cable and reconnect it before each transmission.

• Work with your cell phone provider to enable the RS232 port on your cell phone.

• Work with your cell phone provider to choose a phone that is compatible.

•

Work with your cell phone provider to obtain a serial cable that connects to your phone with a 9-pin D serial cable connection

Transmission Failed. Error configuring transmission device

No Dial tone

Configure Failed 12LXmit Device

No Dial tone 12LXmit Dialing

•The cell phone is not set up properly.

The Configuration String under the Serial Phone Profile settings is not correct.

•The cell phone is not connected properly.

• Cell phone service is unavailable.

• Work with your cell phone provider to ensure that the cell phone is set up as a modem using the RS232 port.

Work with your cell phone provider to ensure that the Configuration String is correct.

• Check that the phone is connected to the serial cable and that the serial cable is connected to the RS232 port on the MRx.

• Check that the cellular signal strength is sufficient.

3 Troubleshooting Troubleshooting Tables

Table 8 12-Lead Transmission Status Log Errors (Continued)

Error Message Status Log Error Possible Causes Suggested Solutions

Transmission Failed. Connection Failed

Invalid Password

Transmission Failed

• Connect Failed 12LXmit Dialing

• Disconnect Failed

- 12LXmit Dialing

• User/pw failure 12LXmit Network

• User/pw failure 12LXmit Server

• PPP Attach Timeout 12LXmit Network

•Request Timeout

- 12LXmit Server

• Partial transmission - 12L Tr a n s m i t

• Invalid request 12L Transmit

• The Dial String under the Serial Phone Profile settings is incorrect.

• Data transfer service is unavailable on the phone.

•Wrong number.

• The PPP User Name or PPP Password under the Serial Profile Phone settings is incorrect.

• The server User Name or Password is incorrect.

• The network is down.

•The server connection has timed out.

• The phone is disconnected.

• TCP/IP Failure

• Work with your cell phone provider to ensure that the Dial string is correct.

• Work with your cell phone provider to ensure that your cell phone plan has data transfer capability.

• Check the number and re-send.

• Modify the Serial Phone Profile setting as needed.

• Modify the Hub settings as needed.

• Check with your ISP to see if your service is down.

• Re-send the 12-lead report.

• Check that the phone is connected to the serial cable and that the serial cable is connected to the RS232 port on the MRx.

• Re-send the 12-lead report. If still unsuccessful, check the MRx configuration settings.

Transmission Failed. Connection Interrupted

Transmission Failed. Cannot reach server

Transmission Failed. Server unknown

• HTTP client error

- 12L Transmit

Modem Connection Lost - 12LXmit Network

Unreachable 12LXmit Server

DNS query failure 12LXmit Server

• The web server has rejected the data.

The network is down. • Check that the cellular signal strength is

No server or the connection has been lost.

• The DNS has timed out or there has been a failure in the DNS.

• Check the MRx and the12-Lead Transfer Station to ensure that the correct product versions are installed.

sufficient.

• Re-send the 12-lead report.

• Check that the phone is connected to the serial cable and that the serial cable is connected to the RS232 port on the MRx.

• Re-send the 12-lead report.

Work with your ISP to ensure the Serial Phone Profile and Hub settings are correct.

Troubleshooting Tables 3 Troubleshooting

Table 8 12-Lead Transmission Status Log Errors (Continued)

Error Message Status Log Error Possible Causes Suggested Solutions

Transmission Failed. Settings Configured Incorrectly

•Bad URL Format

- 12LXmit Server

• Bad proxy settings

- 12LXmit Server

•Bad user/pw settings 12LXmit Server

• There is a problem with the Server URL, Proxy user name, Proxy password

Work with your ISP to ensure the Serial Phone Profile and Hub settings are correct.

3 Troubleshooting Troubleshooting Tables

Startup Errors

This section discusses errors that can occur at startup.

Table 9 Startup Errors

Message Suggested Solution

Critical Failure Detected. Service unit. • Check the status log.

•Reload software

Device serial number has not been entered. Service unit.

None. Hourglass appears on RFU indicator but device appears frozen when you turn the Therapy Knob to Monitor.

All settings have been set to factory default values. • Reconfigure the device to the user’s settings. See the

• Internal Memory Failure message with a beep

• Internal Memory Failure inop (appears every time the device is turned on)

• Enter the device’s serial number. See “Entering the Serial Number and Enabling Options” on page 128 for more information.

• Remove all power sources (AC, DC, and/or battery).

• Turn Therapy Knob to Monitor.

• Insert a battery or apply AC/DC power module.

Instructions for Use for details.

• None. Internal memory card is automatically reformatted. All data on the card has been erased.

• Run an Operational Check and check the status log. If an Internal Memory error is listed, replace the internal memory card.

Troubleshooting Tables 3 Troubleshooting

General Problems

The following table discusses general problems that can occur.

Table 10 General Monitoring Problems

Symptom Pos sible Causes Suggested Solution

Replace Clock Battery message

One or more controls don’t respond (e.g., select lead or soft keys).

The clock (lithium) battery (on the Processor PCA) needs to be replaced.

Bad connection between keys and detection circuits.

Failure in keypress detection/ processing.

Failure in keys. • Replace Display assembly.

• Replace clock battery on Processor PCA.

• Run Controls test in Service Mode to confirm.

• Check flex circuit connections between Display assembly and Processor PCA.

• Replace

Processor PCA.

3 Troubleshooting Troubleshooting Tables

ECG Monitoring Problems

TIP When troubleshooting ECG problems, always check the cable first by running an Operational Check.

When troubleshooting problems with paddles, try replacing the paddles first.

Table 11 ECG Monitoring Problems - Leads

Symptom Pos sible Causes Suggested Solution

Flat line - no waveform, no

Leads Off message.

Poor ECG signal quality (noisy trace, wandering baseline, etc.) from signal acquired from monitoring electrodes.

Leads Off message even

though ECG cable and leads have been replaced and are properly connected.

Short in patient cable or leads.

• Radio frequency interference (RFI) is causing artifact.

• Problem with internal cables.

•Problem with measurement module panel.

Open circuit in internal Leads ECG wiring or front end, due to:

•Problem with measurement module panel.

Run the Operational Check with the ECG cable. If the test fails, run it without the ECG cable. If the test passes, replace the cable. If the test fails:

• Replace measurement module panel.

• Replace Processor PCA.

• Relocate or turn off equipment that may be causing RFI.

• Be sure all internal cables are connected properly. Check the cables from the measurement module panel to the Processor PCA.

• Run the Operational Check with the ECG cable. If the test fails, run it without the ECG cable. If the test passes, replace the cable. If the test fails, replace Processor PCA.

• Replace measurement module panel.

Troubleshooting Tables 3 Troubleshooting

Table 12 ECG Monitoring Problems - Pads/Paddles

Symptom Possible Causes Suggested Solution

Flat line - no waveform, no

Pads Off message.

Poor ECG signal quality (noisy trace, wandering baseline, etc.) from signal acquired from paddles/pads.

Pads Off message even

though pads cable has been replaced and is properly connected.

Short in patient cable. Run the Operational Check with the Pads

cable. If the test fails, run it without the Pads cable. If the test passes, replace the cable. If the test fails:

• Replace Therapy port.

•Replace Power PCA.

• Radio frequency interference (RFI) is causing artifact.

• Problem with internal cables.

• Problem with Therapy port.

Open circuit in internal Therapy port wiring or front end, due to:

• Cable from Therapy port to Therapy PCA has bad connection.

• Defective Therapy port or cable to Power PCA.

• Problem with internal cable.

• Defective Power PCA. • Replace Power PCA.

• Relocate or turn off equipment that may be causing RFI.

• Be sure all internal cables are connected properly. Check the cables from the Therapy port to the Therapy PCA and from the Therapy PCA to the Power PCA.

• Run the Operational Check with the Pads cable. If the test fails, run it without the Pads cable. If the test passes, replace the cable. If the test fails, replace Power PCA.

• Replace Therapy port.

• Reconnect cable properly.

• Replace Therapy port.

• Replace Therapy-Power-High Voltage cable.

3 Troubleshooting Troubleshooting Tables

NBP Monitoring Problems

Table 13 NBP Monitoring Problems

Symptom Pos sible Causes Suggested Solution

NBP Equip Malfunction NBP hardware malfunction. • Replace NBP module.

NBP Calibration Overdue The NBP module should be

calibrated once a year or every 10,000 cycles.

NBP Measurement Failed A measurement value could

not be obtained.

NBP Service Required The NBP module has

reached its end of life, defined as 50,000 cycles.

Measurement cycle doesn’t start.

Pump operates, cuff inflates normally, but cuff will not deflate.

Reading inaccurate • NBP module needs

• Problem with internal tubing connections.

•Failure of front panel button.

• NBP module failure. • Replace NBP module.

• Processor PCA failure. • Replace Processor PCA.

NBP module failure. • Replace NBP module.

calibration.

• NBP module failure. • Replace NBP module.

• Calibrate the NBP module. See “Checking the NBP Module” on page 19.

• Check accuracy as described in “Checking the NBP Module” on page 19. Calibrate if needed.

• Replace NBP module.

• Check internal tubing. Reconnect/replace as needed.

• Run Controls test in Service Mode to confirm. Replace Display assembly if needed.

• Check accuracy as described in “Checking the NBP Module” on page 19. Calibrate if needed.

Troubleshooting Tables 3 Troubleshooting

SpO2 Monitoring Problems

Table 14 SpO2 Monitoring Problems

Symptom Pos sible Causes Suggested Solution

SpO2 Sensor Malfunction Numeric is replaced with

The SpO2 sensor or cable is faulty.

a -?-.

SpO

Equip Malfunction The SpO2 hardware is

faulty.

No response - no value on screen, no pleth bar.

Reads obviously wrong value.

•Bad sensor.

• Bad internal connection.

•SpO

PCA failure. • Replace SpO2 PCA.

•Bad sensor.

•SpO

PCA failure.

Noisy/intermittent signal. • Bad sensor.

• Processor PCA failure.

• Try another sensor and cable.

• If this does not clear the message, replace SpO

PCA.

• Replace measurement module panel.

• Unplug and replug the PCA.

• If this does not clear the message, replace SpO

PCA.

• Try another sensor and cable.

• Try flexing the SpO

flex circuit to see if

there is an intermittent failure that may self-correct while other tests are being conducted.

• Carefully re-seat the flex circuit between SpO

port and SpO

SpO

PCA is properly seated on Processor

PCA. Check that

PCA.

• Try another sensor and cable.

• Replace SpO2 PCA.

• Try another sensor and cable.

• Replace Processor PCA.

3 Troubleshooting Troubleshooting Tables

CO2 Monitoring Problems

When troubleshooting CO2 problems, it is recommended that you try replacing the CO2 module first. If the problem persists, then replace all of the CO

internal tubing, intake receptacle wires and tubing.

Tab l e 15 C O

Monitoring Problems

Symptom Possible Causes Suggested Solution

CO2 Equip Malfunction CO2 hardware malfunction. • Make sure that you have the correct

module in the device. See “Other Electrical Assemblies” on page 216 for

Occlusion A sample cannot be taken

because the FilterLine is blocked.

information on ordering the CO

• Replace the CO

module.

• Check that the FilterLine is not kinked and is free of any blockages.

• Disconnect and reconnect the FilterLine

module.

to reset the module.

• If necessary, replace the FilterLine.

• If the message still appears, replace the CO

internal tubing and intake receptacle

Calibration

Overdue

The CO2 module should be calibrated once a year or after

wires and tubing. Replace CO

• Calibrate the CO2 module. See “Checking the CO

Module” on page 23.

module.

4,000 operating hours.

Service Required The CO2 module has

reached its end of life, defined as 15,000 operating

•Replace CO

module, all CO2 internal

tubing and intake receptacle wires and tubing.

hours.

Overrange • The CO2 value is higher

than the measurement range.

• Problem with internal tubing connections.

• Check accuracy as described in “Checking the CO

Module” on page 23. Calibrate if

needed.

• Check internal tubing.

• Reconnect/replace internal tubing and intake receptacle wires and tubing, as needed.

Failure to display CO measurement.

•CO

•CO2 module failure. • Replace the FilterLine.

module failure. • Replace CO2module.

• Re-seat both ends of the wire between the intake receptacle and the CO

module.

• Replace case interconnect ribbon cable.

• Internal tubing broken or damaged.

•Replace CO

• Replace the CO intake receptacle wires and tubing.

module.

internal tubing and

• Processor PCA failure. • Replace Processor PCA.

• Therapy PCA failure • Replace Therapy PCA.

Troubleshooting Tables 3 Troubleshooting

Tab l e 15 C O2 Monitoring Problems (Continued)

Symptom Possible Causes Suggested Solution

Reading inaccurate. • FilterLine is blocked or

damaged

•CO

module needs

calibration.

•CO

module failure. • Replace CO2module.

• Problem with internal tubing connections.

Check Exhaust When CO2 is turned on, the

exhaust tube or outlet port is blocked to the extent that a measurement sample cannot be taken.

Note: If the exhaust tube becomes blocked during monitoring, the CO

waveform will be a flat line, and if alarms are on, an apnea alarm will be annunciated.

The CO

module does

not start when the FilterLine is connected to the MRx. There is no CO

waveform on the

• FilterLine is damaged.

• Intake receptacle failure

•CO

module failure or

sensor failure

display.

Replacement recommended

module has reached

end of life

• Replace FilterLine.

• Check accuracy as described in “Checking the CO

Module” on page 23. Calibrate if

needed.

• Check internal tubing and intake receptacle wires and tubing. Reconnect/replace as needed.

• Replace FilterLine.

• Make sure the exhaust tubing is not kinked and is free of blockages.

• If necessary, replace the internal tubing and intake receptacle wires and tubing. Replace CO

module.

• Replace FilterLine.

• Run an Operational Check. If the CO test fails, replace the CO CO

test passes, examine the sensor for

module. If the

dirt or foreign objects, clean if necessary. If problem persists, replace the CO

internal

tubing, intake receptacle wires and tubing.

Replace CO2 module and CO2 internal tubing, intake receptacle wires and tubing.

3 Troubleshooting Troubleshooting Tables

Defibrillation Problems

Table 16 Defibrillation Problems

Symptom Pos sible Cause Suggested Solution

Charging Problems

Won’t c harg e in Manua l Defib Mode using Charge button on paddles.

• Paddles not connected properly.

• Paddles defective. • Confirm paddles problem by connecting

• Problem with internal connections.

• Therapy port defective. • Replace Therapy port.

• Therapy PCA defective. • Replace Therapy PCA.

• Failure on Processor PCA. • Replace Processor PCA.

• Check/restore connection.

Pads and attempting to charge device using Charge button on the MRx.

• Replace paddles if needed.

• Check/restore connections between Therapy port and Therapy PCA, and between Therapy PCA and Processor PCA.

Troubleshooting Tables 3 Troubleshooting

Table 16 Defibrillation Problems (Continued)

Symptom Pos sible Cause Suggested Solution

Won’t c harg e in Manua l Defib Mode using Charge button on MRx.

Won’t c harg e in A ED Mode, but charges in Manual Defib Mode.

Doesn’t charge to energy setting on Therapy switch.

• Therapy cable. • Connect paddles or pads. Check to see if an ECG is displayed. If the device recognizes the Therapy cable but still doesn’t charge, there may be a break in the Therapy cable.

• Replace Therapy cable.

•Failure of front panel

button.

• Therapy PCA defective. • Replace Therapy PCA.

• Failure on Processor PCA. • Replace Processor PCA.

• Failure in pads ECG front

end.

• Failure on Processor PCA. • Replace Processor PCA.

• Therapy Knob has been

replaced and installed incorrectly.

• Therapy switch failure. • Replace Therapy switch.

• Therapy PCA defective. • Replace Therapy PCA.

• Failure on Processor PCA. • Replace Processor PCA.

• Run Controls test in Service Mode to confirm. Replace Display assembly, if needed.

•Replace Power PCA.

• Confirm by rotating Therapy Knob back and forth to check travel and alignment.

• Run Controls test in Service Mode to test Therapy Knob. Reinstall Therapy Knob, if necessary.

3 Troubleshooting Troubleshooting Tables

Table 16 Defibrillation Problems (Continued)

Symptom Pos sible Cause Suggested Solution

Charges too slowly. • The device is being

operated with AC/DC power (no battery) or the battery power is low.

• Battery not fully charged, or defective.

• Therapy PCA defective. • Replace Therapy PCA.

Discharging Problems

Won’t Shock in Manual Defib mode using Shock buttons on paddles.

Won’t Shock in Manual Defib mode using Shock button on MRx.

Won’t Shock in AED mode when Shock button pressed.

Doesn’t deliver correct energy into defibrillator analyzer or delivers no energy at all. “Shock Equip Malfunction” error is displayed.

• Faulty paddles. • Confirm paddles problem by connecting

• Problem with internal connections.

• Therapy port defective. • Replace Therapy port.

• Therapy PCA defective. • Replace Therapy PCA.

• Failure on Processor PCA. • Replace Processor PCA.

•Failure of front panel button.

• Therapy PCA defective. • Replace Therapy PCA.

• Failure on Processor PCA. • Replace Processor PCA.

•Failure of front panel button.

• Therapy PCA defective. • Replace Therapy PCA.

• Failure on Processor PCA. • Replace Processor PCA.

• Therapy PCA defective. • Replace Therapy PCA.

• Failure on Processor PCA. • Replace Processor PCA.

• Install a fully charged battery.

Pads and attempting to discharge device using Shock button on the MRx. Replace paddles if needed.

• Check/restore connections between Therapy port and Therapy PCA, and between Therapy PCA and Processor PCA.

• Run Controls test in Service Mode to see if button is operating. Replace Display assembly, if needed.

• Run Controls test in Service Mode to confirm.

Troubleshooting Tables 3 Troubleshooting

Table 16 Defibrillation Problems (Continued)

Symptom Pos sible Cause Suggested Solution

Discharges only partially some energy remains after discharge.

Charges OK, but disarms when press Shock or paddle buttons.

Charges OK, but disarms spontaneously.

Doesn’t measure its own delivered energy correctly.

• Therapy PCA defective. • Replace Therapy PCA.

• Failure on Processor PCA. • Replace Processor PCA.

Patient impedance sensed as too high or too low during energy delivery due to:

• Pads/paddles losing contact with patient.

• Pads/paddles failure.

• Pads cable failure.

• Therapy PCA defective. • Replace Therapy PCA.

• Failure on Processor PCA. • Replace Processor PCA.

Device sensed Pads Off or Cable Off due to:

• Pads/paddles losing contact with patient.

• Pads/paddles failure.

• Pads cable failure.

Therapy PCA failure.

Processor PCA failure.

Therapy PCA failure. • Replace Therapy PCA.

• Replace paddles, or pads and pads cable. as needed.

Replace paddles, or pads and pads cable.

• Replace Therapy PCA.

• Replace Processor PCA.

Pacing Problems

Symptom Pos sible Causes Suggested Solution

Doesn’t deliver correct current into pacer tester or delivers no current at all.

Doesn’t measure its own delivered current correctly.

Doesn’t pace at correct rate. Processor PCA failure. Replace Processor PCA.

Pacer Equip Malfunction Pacer hardware failure. Replace Therapy PCA.

Table 17 Pacing Problems

• Failure on Therapy PCA. • Replace Therapy PCA.

• Processor PCA failure. • Replace Processor PCA.

Failure on Therapy PCA. Replace Therapy PCA.

3 Troubleshooting Troubleshooting Tables

Printing Problems

Table 18 Printing Prolems

Symptom Pos sible Causes Suggested Solution

Printer Malfunction The printer is faulty or there

is a problem communicating with the printer.

Paper won’t move. • Paper improperly loaded

or jammed, or paper is wet.

• Printer failure. • Replace printer.

Paper moves but printing is faint or absent.

Paper moves but print quality poor or some dots missing.

Loud buzzing or grinding noise.

Waveforms or text distorted even though they look OK on display.

Black line running along paper.

White line running along paper.

Fails Printer Test in Service Mode (other than symptoms above).

Incompatible Printer • The 50mm printer is in

• Door improperly latched. • Check door latch.

• Dirty printhead. • Clean printhead according to procedures

• Operating temperature is beyond specified range.

• Printer failure. • Replace printer.

• Dirty printhead. • Clean printhead according to procedures

• Printer failure. • Replace printer.

Door improperly latched. Check door latch.

Printer failure. Replace printer.

Dots (printhead elements) stuck on due to:

Printer failure. Replace printer.

Dirt on printhead. • Clean printhead.

Dots (printhead elements) stuck off due to:

• Printer failure. • Replace printer.

• Processor PCA failure. • Replace Processor PCA.

the device and the software is looking for the 75 mm printer.

If the error repeats, replace the printer assembly.

• Reload paper or clear jam. If paper is wet, replace with fresh dry roll.

in the Instructions for Use.

• Wait until temperature is back in operating range to continue printing.

in the Instructions for Use.

• Ensure that the 75 mm printer is installed in the device

Troubleshooting Tables 3 Troubleshooting

Display Problems

Table 19 Display Problems

Symptom Pos sible Causes Suggested Solution

Display completely dim. No response - all light or all dark.

Left or right half of display is dim or display is not uniformly bright.

Fails Display Test in Operational Check. (Display problem other then symptoms above).

Audio Problems

Symptom Pos sible Causes Suggested Solution

• Failure of backlight.

•Display failure.

• No power supply or power supply failure

• Processor PCA failure.

• Backlight cable disconnected from inverter PCA.

• Backlight bulb failure.

• Display failure. • Replace Display assembly.

• Processor PCA failure. • Replace Processor PCA.

Table 20 Audio Problems

• Check cable between Processor PCA and inverter.

• Check display and backlight connections.

• Replace Display assembly.

• Replace Power PCA (only if display is all dark).

• Replace Processor PCA.

• Reseat the connector

• Replace Display assembly.

No audio at all. • Speaker failure. • Check speaker connections.

• Replace speaker/microphone assembly.

• Processor PCA failure. • Replace Processor PCA.

Audio is distorted. • Damage to speaker cover. • Replace speaker label.

• Speaker damage or failure.

• Processor PCA failure. • Replace Processor PCA.

• Replace speaker/microphone assembly.

3 Troubleshooting Troubleshooting Tables

Table 20 Audio Problems (Continued)

Symptom Pos sible Causes Suggested Solution

Buzzing noise when audio active.

Tones present but no voice prompt (in AED Mode).

Voice prompt present but no tones.

Controls Problems

Symptom Pos sible Causes Suggested Solution

One or more of the buttons near the Therapy Knob doesn’t respond correctly (Print, Sync, Charge, or Shock).

One or more of the buttons around the display doesn’t respond correctly (softkeys, Event Summary, Mark Event, Lead Select, Alarm Pause, Navigation, Menu Select).

The Therapy switch doesn’t respond correctly.

• Damage to speaker label. • Replace speaker label.

• Debris between speaker and speaker label.

• Speaker hardware loose. • Tighten hardware as needed.

• Speaker failure. • Replace speaker/microphone assembly.

• Processor PCA failure. • Replace Processor PCA.

• Software error or failed localization upgrade.

• Processor PCA failure.

Processor PCA failure. • Replace Processor PCA.

Table 21 Controls Problems

Processor PCA failure. • Run Controls test in Service Mode to

•Failure in Display assembly.

• Processor PCA failure. • Replace Processor PCA

• Therapy switch defective. • Replace Therapy switch.

• Processor PCA failure. • Replace Processor PCA.

• Remove speaker label, clean out debris, install new speaker label. If debris is behind plastic housing, remove speaker, clean, and replace speaker.

• Reload the language.

• Replace Processor PCA.

confirm.

• Check button pieces for mechanical operation.

• Replace Processor PCA.

• Run Controls test in Service Mode to confirm.

• Check connections to Display assembly.

• Replace Display assembly.

Troubleshooting Tables 3 Troubleshooting

Internal Memory Problems

Table 22 Internal Memory Problems

Symptom Pos sible Causes Suggested Solution

Internal Memory Failure message with a beep

Internal Memory Failure inop (appears every time the device is turned on)

Patient data cannot be stored in internal memory because the card is corrupt.

Patient data cannot be stored in internal memory because the internal memory card is not recognized.

External Data Card Problems

Table 23 External Data Card Problems

Symptom Pos sible Causes Suggested Solution

Incompatible data card message

Data Card Full message The data card has reached

Doesn’t copy data to data card.

No Data Card present message.

Data card is not compatible with the HeartStart MRx.

capacity.

Data card full or corrupted. Replace data card.

• Sufficient time not allowed for data card recognition

• Data card failure. • Replace data card.

• Data card not seated properly due to bent pins.

• Processor PCA failure. • Replace Processor PCA.

None. Internal memory card is automatically reformatted. All data on the card is erased.

Run an Operational Check and check the status log. If an Internal Memory error is listed, replace the internal memory card.

Use only Philips M3545A data cards.

Insert a new data card or erase data from the card.

• Insert data card. Once inserted, wait 5 seconds before trying to access the data card.

• Replace Processor PCA.

This chapter describes how to repair the HeartStart MRx monitor/defibrillator. Details are provided on disassembling the device, removing and replacing subassemblies, and reassembling the device.

These instructions are intended for use only by service providers who are specifically trained to service the HeartStart MRx.

Overview

This chapter is organized into the following sections:

To p ic Pa ge To pi c Pa ge

4Repair

Who Should Perform Repairs

Repair Philosophy

Repair Notes 82 Internal Assemblies - Rear Case 144

Repair Tools and Equipment 85 Closing the case 176

Key Components 85

External Assemblies 86

Opening the case 102

Internal Assemblies - Front Case 107

4Repair Who Should Perform Repairs

Who Should Perform Repairs

Only qualified technical personnel who have been trained in the safe and proper servicing of the HeartStart MRx should open the monitor/defibrillator case, remove and replace components, or make adjustments. If your medical facility does not have qualified technical personnel, contact the Response Center or your local Philips representative.

WARNING HeartStart MRx service should only be performed by qualified service personnel, in accordance with

the HeartStart MRx Service Manual.

Repair Philosophy

The repair philosophy of the HeartStart MRx is subassembly replacement.

Examples of subassemblies are the printer, the Processor PCA, and selected connectors and other items. Repairs that involve replacing individual components on a PCA are not supported.

CAUTION Individual component replacement should not be attempted. Component level repair is inadvisable

due to the extensive use of surface mount technology and the high parts-density on the circuit boards. Unauthorized component replacement can impair performance of the HeartStart MRx.

Repair Philosophy 4Repair

Calling for Service

For telephone assistance, call the Response Center nearest to you, or visit our website at: www.medical.philips.com/cms and follow the links for “CMS Response Center.” Our Biomed On-Line site can be found at: http://bol.medical.philips.com.

Table 24 Response Center Phone Numbers

North America

Canada 800-323-2280

United States of America 800-548-8833

Europe

European International Sales 41 22 354 6464

Austria 01 25125 333

Belgium 02 778 3531

Finland 010 855 2455

France 0803 35 34 33

Germany 0180 5 47 50 00

Italy 800 825087

Netherlands 040 278 7630

Sweden 08 5064 8830

Switzerland 0800 80 10 23

United Kingdom 07002 43258472

Asia/Asia Pacific

Australia 1800 251 400

China (Beijing) 800 810 0038

Hong Kong Macau

India: New Delhi Mumbai Calcutta Chennai Bangalore Hyderabad

Indonesia 021 794 7542

Japan 0120 381 557

Korea 080 372 7777

Malaysia 1800 866 188

New Zealand 0800 251 400

Philippines 02 845 7875

Singapore 1800 PHILIPS

Thailand 02 614 3569

Taiwan 0800 005 616

852 2876 7578 0800 923

011 6295 9734 022 5691 2463/2431 033 485 3718 044 823 2461 080 5091 911 040 5578 7974

02 3445 9010

4Repair Repair Notes

Repair Notes

The following sections give details of how to successfully work with the internal assemblies of the HeartStart MRx.

Safety Precautions

WARNING Remove all power sources (AC, battery, DC) before opening the device. Failure to do so may allow the

device to charge without warning and could result in serious injury or death.

CAUTION Take the necessary precautions to guard against shock or injury before you conduct

monitor/defibrillator tests or repairs.

• Only properly trained technicians should service the device.

• The device can contain deadly voltages even if the device is turned off.

• Make sure the device is disarmed. (To disarm the defibrillator, press [ has not been pressed within the time period specified in the Time to Auto Disarm Configuration setting, the defibrillator disarms automatically. Additionally, when the MRx is fully charged, you can disarm it any time by turning the Therapy Knob to the “Off” position.)

• Make sure that you disconnect all power before opening the device.

• Make sure you discharge the device before working with it.

• Make sure you work in a static safe environment. Use a static control wrist band, in conjunction with an antistatic pad which is grounded per the manufacturer’s instructions.

• Special cleaning technologies are used during the manufacturing of the PCAs. Be careful not to touch the surface areas of the PCAs with bare hands. Additionally, oil from hands can affect product performance.

Flex Circuit Connections

In order for flex circuit connections to function properly, they must be disconnected and reconnected as follows:

• Always unlatch the PCA-mounted connector before removing the flex circuit, and hold the latch open while reinserting the flex circuit into the connector.

• When reconnecting, align the flex circuit carefully in its receptacle. Make sure it is both centered from side to side in the connector and oriented at 90 degrees to the connector.

Disarm]. If the Shock button

• Be sure the flex circuit is fully seated in the connector and the connector is properly latched.

Repair Notes 4Repair

Flex Circuit Handling

The flex circuits are delicate and can be damaged by improper handling:

• Do not bend sharply.

• Do not scrape the contact surface against other parts.

• Handle the flex with bent tip needle nose pliers whose jaws are covered with a soft material (such as plastic tubing or tape).

Internal Connections

Whenever troubleshooting indicates a particular PCA may be at fault, it is always good practice to check all the connections to that PCA and retest before replacing the PCA.

Cable and Assembly Placement

How the wires and cables are routed and dressed inside the chassis plays an important role in two areas: in preventing long term wear problems, and in reducing electromagnetic and radio frequency interference emitted by the monitor/defibrillator.

• When you disassemble any part of the device, pay special attention to how cables and wires are routed.

• When you reassemble the device, be sure to route and dress all cables and wires as they were originally.

• Return all components to their original position within the case.

Device Reassembly

If you do not reassemble the device correctly, it may no longer be properly sealed. This could result in water damage to the device. Be sure to maintain the water-resistant seal by:

• Replacing all gaskets in their proper locations.

• Correctly assembling all parts that mate with gaskets (making sure the gaskets are not wrinkled or pinched).

•Replacing all screws.

• Making sure that screws are not cross-threaded and that they are firmly tightened.

• Tightening M3 screws to 6-inch pounds and M4 screws to 10-inch pounds.

4Repair Repair Notes

Disposal

Prior to disposal, remove the batteries. Then dispose of the device in accordance with your country’s regulations for equipment containing electronic parts.

WARNING Properly dispose of or recycle depleted batteries according to local regulations. Do not puncture,

disassemble, or incinerate batteries. Be careful not to short the battery terminals because this could result in a fire hazard.

WARNING Disposal of the device with the battery inserted presents a potential shock hazard.

WARNING To avoid contaminating or infecting personnel, the environment, or other equipment, make sure you

disinfect and decontaminate the monitor/defibrillator appropriately prior to disposal.

Disposing of Empty Calibration Gas Cylinders

To dispose of empty calibration gas cylinders:

1 Empty the cylinder completely by pushing the pin of the regulator valve or by pulling out the pin

of the fill wave using a tire valve stem wrench or a pair of needle nose pliers.

2 When the cylinder is empty, either remove the valve stem from the fill (or regulator) hole, or drill a

hole in the cylinder.

3 Write “Empty” on the cylinder and dispose of it appropriately for scrap metal.

WARNING Ensure that the cylinder is completely empty before trying to remove the valve stem or drill the tank.

Repair Tools and Equipment 4Repair

Repair Tools and Equipment

The following tools are needed to perform the procedures in this chapter.

• Torx T10 and T15 drivers (or Torx driver kit, part number 5181-1933). T15 driver shaft should be at least 3.5-inches (90 mm) long and less than 0.4-inches (10 mm) in diameter to reach down to recessed case screws.

• Slip-joint pliers or adjustable open-end wrench.

•Straight-bladed screwdriver.

• Nut driver (5/16”) or small adjustable wrench

• #2 Phillips screwdriver, shaft at least 5” long.

• Straight-tip needle nose pliers or tweezers.

• Bent-tip needle nose pliers whose jaws are covered with a soft material (such as plastic tubing or tape).

• Fine-nose wire cutters.

• Utility knife.

• Paper clip.

• Clip leads (at least 2, each approx. 10-18”).

• Voltmeter

• Software Support tool (see Table 30 on page 214 for part numbers).

• Defibrillator Discharge Tool (M2475-69573).

Key Components

Replacement assemblies marked with an asterisk ( * ) in the Replacement Parts tables contain one or more Key Components. Key Components require detailed tracking, by recording the key component part number and either the key component’s date code or its serial number. This data must be recorded for both the failed assembly and the replacement assembly.

Philips service personnel must record this information on the Customer Service Order (CSO).

The Key Components that are part of the replacement assemblies are listed in Table 40 on page 229.

4Repair External Assemblies

External Assemblies

This section describes how to remove and replace assemblies that are external to the case. You do not need to open the case for any of these procedures.

This section is organized into the following topics:

To p ic P a ge To pi c P ag e

Accessory Pouches 87 Printer Assembly 93

Bedrail Hook Mount 89 Paddle Tray 95

Therapy Knob 90 Paddle Tray 50 ohm Load Resistor 98

Labels 91 Handle and Cap Plate 100

External Assemblies 4Repair

Accessory Pouches

Preparation

Disconnect all external power and remove all batteries.

Installation

1. Lower the device into the sleeve of the carry case. The rear base of the device fits in the sleeve

socket.

Figure 26 Accessory Pouch Assembly

2. Lift up the paddle tray, if present.

a. If paddles are connected, disconnect them from the Therapy port and remove them from the

paddle tray.

b. Remove the 4 T-15 screws from the tray plates.

c. Gently lift the paddle tray up, leaving all wires connected.

3. Lift up the handle and cap plate, if present.

a. Remove the handle cover by lifting up the notch (with your fingernail or a screwdriver) and

pushing in on either side of the handle cover and lifting up.

b. Remove the 2 T-15 screws.

c. Remove the handle.

d. Gently lift the cap plate up.

4Repair External Assemblies

4. Fold the two sleeve flaps over the top of the device, positioning them so that the screw holes are

exposed.

5. Replace the paddle tray or cap plate, as appropriate, so that the molded openings fit over the

sleeve flaps.

6. Secure the front and rear cinch straps using the metal rings provided.

7. Attach the side pouches using the snaps located inside the pouch pockets.

Figure 27 Accessory Pouch Assembly

After Repair

Run Performance Verification and Safety testing as described in the "Performance Verification" chapter.

External Assemblies 4Repair

Bedrail Hook Mount

Preparation

1. Turn the device off.

2. Position the rear case

Lay the rear case on the work surface with the display facing down and the printer in the lower left corner.

Removal

1. Loosen and remove the 2 T-15 screws.

2. Remove the bedrail hook mount.

Replacement

1. Secure the bedrail hook mount to the back of the device using the two screws.

After Repair

Visually inspect the device to ensure that you installed the bedrail hook mount correctly. It is not necessary to run any Performance Verification and Safety testing.

4Repair External Assemblies

Therapy Knob

Preparation

1. Turn the device off.

2. Disconnect all external power and remove all batteries.

Removal

1. Turn the knob to AED.

2. Pull the knob off its shaft.

Grasp the knob and pull straight out from the front of the device. Use pliers, if necessary.

Figure 28 Therapy Knob Replacement

Replacement

1. Push the knob onto the shaft.

a. Align the flat side of the clip inside the knob with the flat surface on the shaft and press the

knob into place. Be sure the knob is pressed fully into place.

b. Check to be sure it rotates freely and that it points to the correct markings on the front panel.

After Repair

Run Performance Verification and Safety testing as described in the "Performance Verification" chapter.

Philips HeartStart MRx Service manual

Specifications and Main Features

Frequently Asked Questions

User Manual

HEARTSTART MRx

Service Manual

Conventions Used in This Manual

Abbreviations

Who Should Use This Manual

1Introduction

Overview

Features and Capabilities

Tour of the Device

Right Side

Left Side

Rear

General Service Information

Installation

Display Menus

Passwords

Upgrades

Preventive Maintenance

Repair Philosophy

Monitor/Defibrillator

Batteries

Accessing Service Mode

Navigating in Service Mode

Service Mode Functions

Device Info

Software Support Tool

Printing the Device Information

Other Resources

Overview

2Maintenance

Maintenance Tools and Equipment

Checking the NBP Module

Setup

Check the status displays

NBP Safety Timeout

Test the accuracy

Test for leaks

Test the linearity

Calibrate the NBP Measurement

Run an Operational Check

Checking the CO2 Module

Setup

Check the Status Display

Ambient Pressure

Leakage Check

Pump Check

Flow Rate Check

Noise Check

Calibration Check

CO2 Calibration

Run an Operational Check

Overview

3Troubleshooting

Troubleshooting Tools and Equipment

Obtaining Replacement Parts

Ready For Use Indicator

Automated Tests

Automated Test Summary

Operational Check

Operational Check Report

Operational Check Summary

Service Mode Tests

Troubleshooting Methodology

Troubleshooting Flowcharts

Troubleshooting Tables

Audio Tones

Status Log Errors

Startup Errors

General Problems

ECG Monitoring Problems

NBP Monitoring Problems

SpO2 Monitoring Problems

CO2 Monitoring Problems

Defibrillation Problems

Pacing Problems

Printing Problems