Mindray dpm 3 User manual

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Intellectual Property Statement
Mindray DS USA, Inc. (hereinafter called Mindray DS) owns the intellectual property rights
to this product and this manual. This manual may refer to information protected by
copyrights or patents and does not convey any license under the copyright and the patent
rights of Mindray DS, nor the rights of others.
Mindray DS intends to maintain the contents of this manual as confidential information.
Disclosure of the information in this manual in any manner whatsoever without the written
permission of Mindray DS is strictly forbidden. Release, amendment, reproduction,
distribution, rental, adaption and translation of this manual in any manner whatsoever without
the written permission of Mindray DS is strictly forbidden.
is a trademark or a registered trademark of Shenzhen Mindray Bio-Medical
Electronics Co., Ltd. All third-party trademarks that appear in this manual are used solely for
editorial purposes and are the property of their respective owners.
Contents of this manual are subject to changes without prior notice.
© 2008-2010 Mindray DS USA, Inc. All rights reserved.
WARNING
zFederal Law (USA) restricts this device to sale by or on the order of a physician.

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FOR YOUR NOTES

1
Preface
Manual Purpose
This manual provides detailed information about the assembling, dissembling, testing and
troubleshooting of the equipment to support effective troubleshooting and repair. It is not
intended to be a comprehensive, in-depth explanation of the product architecture or technical
implementation. Observance of the manual is a prerequisite for proper equipment
maintenance and prevents equipment damage and personnel injury.
This manual is based on the maximum configuration; Therefore, some contents may not
apply to your monitor. If you have any question, please contact our Customer Service
Department.
Intended Audience
This manual is for biomedical engineers, authorized technicians or service representatives
responsible for troubleshooting, repairing and maintaining the monitors.
Revision History
This manual has a revision number. This revision number changes whenever the manual is
updated due to software or technical specification change. Contents of this manual are subject
to change without prior notice
Revision number: 2.0
Release time: 2010-04
Password
A password is required to access the service mode. The service password is 321.

2
FOR YOUR NOTES

1
Contents
1 Safety................................................................................................................................. 1-1
1.1 Safety Information ..........................................................................................................1-1
1.1.1 Warnings............................................................................................................. 1-2
1.1.2 Cautions ............................................................................................................. 1-2
1.1.3 Notes .................................................................................................................. 1-2
1.2 Equipment Symbols ........................................................................................................ 1-3
2 Theory of Operation ........................................................................................................ 2-1
2.1 Introduction..................................................................................................................... 2-1
2.2 System Structure ............................................................................................................. 2-1
2.3 Hardware Structure ......................................................................................................... 2-3
2.3.1 Main Board......................................................................................................... 2-4
2.3.2 Power Board....................................................................................................... 2-5
2.3.3 Key&displays Board .......................................................................................... 2-6
2.3.4 Parameter Boards ............................................................................................... 2-7
2.3.5 Recorder ............................................................................................................. 2-9
2.3.6 Bar Code Scanner............................................................................................... 2-9
3 Testing and Maintenance................................................................................................. 3-1
3.1 Introduction..................................................................................................................... 3-1
3.1.1 Recommended Frequency.................................................................................. 3-2
3.2 Visual test ........................................................................................................................ 3-2
3.3 Power-On Test................................................................................................................. 3-3
3.3.1 NIBP Tests.......................................................................................................... 3-3
3.3.2 SpO2Test............................................................................................................ 3-5
3.3.3 Temp Test ........................................................................................................... 3-6
3.4 Nurse Call Performance Test........................................................................................... 3-7
3.5 Bar Code Scanner Test .................................................................................................... 3-7
3.6 Electrical Safety Tests .....................................................................................................3-8
3.6.1 Enclosure Leakage Current Test......................................................................... 3-9
3.6.2 Earth Leakage Current Test.............................................................................. 3-10
3.6.3 Patient Leakage Current Test ........................................................................... 3-10
3.6.4 Patient Auxiliary Leakage Current Test ........................................................... 3-10
3.7 Recorder Check..............................................................................................................3-11
3.8 Program upgrade ............................................................................................................3-11
4 Troubleshooting................................................................................................................ 4-1
4.1 Introduction..................................................................................................................... 4-1
4.2 Part Replacement ............................................................................................................4-1
4.3 Monitor Status Check...................................................................................................... 4-1
4.4 Technical Alarm Check ................................................................................................... 4-2

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4.5 Troubleshooting Guide.................................................................................................... 4-2
4.5.1 Power On/Off Failures ....................................................................................... 4-2
4.5.2 Display Failure ................................................................................................... 4-3
4.5.3 LED Digital Display & Indication Lamp Failure............................................... 4-3
4.5.4 Alarm Problems.................................................................................................. 4-3
4.5.5 Button Failure..................................................................................................... 4-4
4.5.6 Recorder Failures ............................................................................................... 4-4
4.5.7 Interface Failures................................................................................................ 4-5
4.5.8 Power Supply Failures ....................................................................................... 4-5
4.5.9 Network related problems .................................................................................. 4-7
4.5.10 Software Upgrade Problems............................................................................. 4-7
4.5.11 Bar Code Scanner Failures ............................................................................... 4-8
4.5.12 NIBP Measurement Failures ............................................................................ 4-8
4.5.13 SpO2 Measurement Failure.............................................................................. 4-9
4.5.14 Temp Measurement Failures ............................................................................ 4-9
5 Repair and Disassembly .................................................................................................. 5-1
5.1 Tools................................................................................................................................ 5-1
5.2 Preparation for Disassembly ........................................................................................... 5-1
5.3 Disassembly .................................................................................................................... 5-2
5.3.1 Separating the Front and Rear Half of the Monitor............................................ 5-2
5.3.2 Disassembling the Front Housing Assembly...................................................... 5-4
5.3.3 Removing the Main Rack Assembly .................................................................. 5-6
5.3.4 Disassembling NIBP Module ............................................................................. 5-7
5.3.5 Removing the Main Board ................................................................................. 5-8
5.3.6 Removing the Power Board ............................................................................... 5-8
5.3.7 Removing the Battery Assembly........................................................................ 5-9
5.3.8 Removing the Fan and Speaker.......................................................................... 5-9
5.3.9 Removing the Power Socket ............................................................................ 5-10
5.3.10 Removing the Temp Module .......................................................................... 5-10
5.3.11 Removing the SpO2Module........................................................................... 5-12
6 Parts .................................................................................................................................. 6-1
6.1 Main Unit ........................................................................................................................ 6-1
6.2 Main Rack Assembly (For Lead-acid Batteries) ............................................................. 6-2
6.3 Main Rack Assembly (For Lithium Battery)................................................................... 6-4
6.4 Front housing Assembly.................................................................................................. 6-6
6.5 Rear Housing Assembly.................................................................................................. 6-7
6.6 Lithium Battery Charger Assembly................................................................................. 6-8
6.7 Lead-acid Battery Assembly ........................................................................................... 6-9
6.8 MASIMO SpO2Board Assembly ................................................................................. 6-10
6.9 Temp Assembly ..............................................................................................................6-11

1-1
1 Safety
1.1 Safety Information
WARNING
zIndicates a potential hazard or unsafe practice that, if not avoided, could result in
death or serious injury.
CAUTION
zIndicates a potential hazard or unsafe practice that, if not avoided, could result in
minor personal injury or product/property damage.
NOTE
zProvides application tips or other useful information to ensure better maintenance
operation.

1-2
1.1.1 Warnings
WARNING
zDisassembly and repair of this product should be conducted by Mindray DS
authorized personnel only.
zTo avoid explosion hazard, do not use the equipment in the presence of
flammable anesthetics, vapors or liquids.
zFollow the applicable waste control regulations to dispose of the package
material and keep it out of children’s reach.
zThe equipment must be connected to a properly installed power outlet with
protective earth contacts only. If the installation does not provide a protective
earth conductor, disconnect the equipment from the power line and operate it
on battery power, if possible.
1.1.2 Cautions
CAUTION
zMagnetic and electrical fields are capable of interfering with the proper
performance of the equipment. For this reason, make sure that all external
devices operated in the vicinity of the equipment comply with the relevant EMC
requirements. Mobile phones, X-ray equipment or MRI devices are possible
sources of interference as they may emit higher levels of electromagnetic
radiation.
zBefore connecting the equipment to the power line, check that the voltage and
frequency ratings of the power line are the same as those indicated on the
equipment’s label or in this manual.
zProtect the equipment from damage caused by drop, impact, strong vibration or
other mechanical force during servicing.
1.1.3 Notes
NOTE
zRefer to Operation Manual for detailed operation and other information.