Mindray Accutor 7 User manual

/VS-900c
Vital Signs Monitor
Service Manual

I
Intellectual Property Statement
SHENZHEN MINDRAY BIO-MEDICAL ELECTRONICS CO., LTD. (hereinafter called Mindray)
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 patent rights of Mindray, nor the rights of others. Mindray does not assume any liability
arising out of any infringements of patents or other rights of third parties.
Mindray 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 is strictly forbidden. Release, amendment, reproduction, distribution,
rent, adaption and translation of this manual in any manner whatsoever without the written
permission of Mindray is strictly forbidden.
, , and are the registered trademarks or trademarks owned by
Mindray in China and other countries. All other trademarks that appear in this manual are
used only for editorial purposes without the intention of improperly using them. They are
the property of their respective owners.
This posting serves as notice under 35 U.S.C.§287(a) for Mindray patents:
http://www.mindrayna.com/patents.
The issued date for this manual is May 2019 (Version 11.0).
© Copyright 2013-2019 Shenzhen Mindray Bio-Medical Electronics Co., Ltd. All rights
reserved.
WARNING
Federal Law (USA) restricts this device to sale by or on the order of a
physician.
NOTE
This manual describes all features and options. The equipment may not have
all of them. Contact Mindray service department for any questions.

II
Manufacturer’s Responsibility
Contents of this manual are subject to changes without prior notice.
All information contained in this manual is believed to be correct. Mindray shall not be
liable for errors contained herein nor for incidental or consequential damages in connection
with the furnishing, performance, or use of this manual.
Mindray is responsible for safety, reliability and performance of this product only in the
condition that:
All installation operations, expansions, changes, modifications and repairs of this
product are conducted by Mindray authorized personnel; and
The electrical installation of the relevant room complies with the applicable
national and local requirements; and
This product is operated under strict observance of this manual.
Return Policy
In the event that it becomes necessary to return a unit to Mindray, follow the instructions
below.
1. Obtain a return authorization.
Contact the Mindray Service Department and obtain a Mindray Customer Service
Authorization Number. The Mindray Customer Service Authorization Number
must appear on the outside of the shipping container. Return shipments will not
be accepted if the Mindray Customer Service Authorization Number is not clearly
visible. Please provide the model number, serial number, and a brief description of
the reason for return.
2. Freight policy
The customer is responsible for freight charges when this product is shipped to
Mindray for service (including any relevant customs fees or other freight related
charges).
3. Return address
Please send the part(s) or equipment to the address offered by Customer Service
Department.

III
Contact Information
Manufacturer: Shenzhen Mindray Bio-Medical Electronics Co., Ltd.
Address: Mindray Building, Keji 12th Road South, Hi-tech Industrial Park,
Nanshan, Shenzhen 518057 P.R. China
Tel: [phone]
Fax: [phone]
Website: www.mindray.com
Distributor: Mindray DS USA, Inc.
Address: 800 MacArthur Boulevard Mahwah, New Jersey 07430 USA
Tel: [phone]
Website: www.mindray.com

IV
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.
Intended Audience
This manual is for biomedical engineers, authorized technicians or service representatives
responsible for troubleshooting, repairing and maintaining the equipment.
Passwords
A password may be required to access different modes of the following equipment. The
passwords are listed below:
User maintenance: 888888
Configuration mode: 315666
Demomode: ContactMindrayservicepersonnelforthepassword
Factory maintenace: Contact Mindray service personnel for the password
It is recommended that the user should change the passwords for user maintenance and
configuration mode once they take ownership of the equipment.

1
Contents
1 Introduction..............................................................................................................1-1
1.1 Manual Information.................................................................................................................1-1
1.2 Safety Information....................................................................................................................1-1
1.2.1 Warnings.........................................................................................................................1-2
1.2.2 Cautions..........................................................................................................................1-2
1.2.3 Notes................................................................................................................................1-2
1.3 Equipment Symbols ................................................................................................................1-2
2 Theory of Operation .................................................................................................2-1
2.1 Overview......................................................................................................................................2-1
2.2 Connectors for Peripheral Devices .....................................................................................2-2
2.3 Main Unit .....................................................................................................................................2-2
2.4 Front Housing Assembly........................................................................................................2-4
2.5 Main Board..................................................................................................................................2-4
2.6 Rear Housing Assembly..........................................................................................................2-5
2.7 External Module........................................................................................................................2-6
3 Equipment Installation ............................................................................................3-1
3.1 Unpacking the Equipment....................................................................................................3-1
3.2 Preparation for Installation ...................................................................................................3-1
3.2.1 Preparation for Installation Site..............................................................................3-1
3.2.2 Environmental Requirements .................................................................................3-1
3.2.3 Electrical Requirements ............................................................................................3-2
3.3 Equipment Installation ...........................................................................................................3-2
3.3.1 Preparation for Power on..........................................................................................3-3
4 Testing and Maintenance.........................................................................................4-1
4.1 Introduction................................................................................................................................4-1
4.2 Performance Tests ....................................................................................................................4-1
4.2.1 Performance Test Frequencies................................................................................4-2
4.2.2 Visual Inspection..........................................................................................................4-2
4.2.3 SpO2test .........................................................................................................................4-2
4.2.4 NIBP Test .........................................................................................................................4-4
4.2.5 CO2Test (Only Available For Accutorr 7)..............................................................4-7
4.2.6 Exergen TemporalScanner Thermometer Test..................................................4-9
4.2.7 SmarTempTM Module Test .........................................................................................4-9
4.3 Electrical Safety and Other Tests ...................................................................................... 4-10
4.3.1 Electrical Safety and Other Test Frequencies..................................................4-10
4.3.2 Electric Safety Tests..................................................................................................4-10
4.3.3 Power-on Test............................................................................................................. 4-10
4.3.4 Touchscreen Calibration.........................................................................................4-11
4.3.5 Recorder check..........................................................................................................4-11
4.3.6 Bar Code Scanner Test............................................................................................. 4-11
4.3.7 Battery Check............................................................................................................. 4-12
4.3.8 Nurse Call Reply Performance Test..................................................................... 4-12
4.4 Factory Maintenance............................................................................................................4-13

2
4.4.1 Accessing Factory Maintenance Menu ............................................................ 4-13
4.4.2 Drawing Waves.......................................................................................................... 4-13
4.4.3 Software Version....................................................................................................... 4-14
4.4.4 Monitor Information ............................................................................................... 4-15
5 Troubleshooting.......................................................................................................5-1
5.1 Overview .....................................................................................................................................5-1
5.2 Part Replacement.....................................................................................................................5-1
5.3 Checking Equipment Status.................................................................................................5-1
5.4 Checking Software Version...................................................................................................5-1
5.5 Checking Technical Alarms...................................................................................................5-2
5.6 Troubleshooting Guide ..........................................................................................................5-2
5.6.1 Power On/Off Failure .................................................................................................5-2
5.6.2 Display Failures ............................................................................................................5-3
5.6.3 Alarm Lamp Failures...................................................................................................5-4
5.6.4 Button and Encoder Failures...................................................................................5-4
5.6.5 Sound Failures..............................................................................................................5-5
5.6.6 Battery Failures.............................................................................................................5-5
5.6.7 Recorder Failures.........................................................................................................5-6
5.6.8 Output Interface Failure............................................................................................5-7
5.6.9 Data Storage Failure...................................................................................................5-7
5.6.10 Wired Network Related Problems.......................................................................5-8
5.6.11 Wi-Fi Related Problems (Only Available for Accutorr 7)..............................5-9
5.6.12 Module defective......................................................................................................5-9
5.6.13 Exergen TemporalScanner Thermometer Module Problems ................ 5-10
5.6.14 CO2Module Problems (Only Available for Accutorr 7)............................. 5-11
5.6.15 Technical Alarm Messages.................................................................................. 5-11
6 Disassembly and Repair .......................................................................................... 6-1
6.1 Tools Required...........................................................................................................................6-1
6.2 Preparations for Disassembly ..............................................................................................6-1
6.3 Disassembling the Main Unit...............................................................................................6-2
6.3.1 Disassembling the Temperature Module (Optional)......................................6-2
6.3.2 Removing the Recorder............................................................................................6-3
6.3.3 Separating the Front and Rear Half of the Monitor ........................................6-3
6.3.4 Removing the Parameter Connector Panel Assembly...................................6-5
6.3.5 Disassembling the Main Bracket Assembly.......................................................6-6
6.3.6 Removing the Parameter Board (SpO2Optional) and Power Management
Board..........................................................................................................................................6-8
6.3.7 Removing the Parameter Connector Panel Assembly (With CO2, Only
Available for Accutorr 7)......................................................................................................6-9
6.3.8 Disassembling the CO2Module Assembly (Only Available for Accutorr 7)6-10
6.3.9 Disassembling CO2 main Module (Only Available for Accutorr 7)......... 6-10
6.3.10 Disassembling the Main Bracket Assembly (With CO2, Only Available for
Accutorr 7)............................................................................................................................. 6-11
6.3.11 Disassembling Pumps and Valves ................................................................... 6-12
6.3.12 Disassembling AC/DC Power Board and Battery Converter Board ..... 6-12
6.4 Disassembling the Front Housing Assembly .............................................................. 6-13
6.4.1 Removing the Touchscreen Control Board..................................................... 6-13
6.4.2 Removing the 2.4G Wi-Fi Module (Optional, Only Available for Accutorr 7)
................................................................................................................................................... 6-14

3
6.4.3 Removing the 5G Wi-Fi Module (Optional, Only Available for Accutorr 7)6-15
6.4.4 Removing the Main Control Board .................................................................... 6-17
6.4.5 Removing SD Card ................................................................................................... 6-17
6.4.6 Removing the Touchscreen ..................................................................................6-18
6.4.7 Disassembling the Display....................................................................................6-18
6.4.8 Removing the Keypad ............................................................................................6-19
6.4.9 Removing the Encoder...........................................................................................6-19
6.4.10 Removing the Alarm Lamp................................................................................. 6-19
6.5 Disassembling the SmarTempTM Module (Optional).................................................6-20
6.5.1 Removing the SmarTempTM Module PCBA and Module Power Board PCBA
...................................................................................................................................................6-20
6.5.2 Disassembling the Temperature On-Position Detection Board PCBA ..6-21
6.6 Disassembling the Exergen TemporalScanner Themometer Module (Optional)6-22
7 Parts...........................................................................................................................7-1
7.1 Introduction................................................................................................................................7-1
7.2 Main Unit .....................................................................................................................................7-1
7.2.1 Exploded View ..............................................................................................................7-1
7.2.2 Parts List..........................................................................................................................7-2
7.3 Front Housing Subassembly (Touchscreen) ...................................................................7-3
7.3.1 Exploded View ..............................................................................................................7-3
7.3.2 Parts List..........................................................................................................................7-4
7.4 Rear Housing Assembly (without CO2module, CO2Only Available for Accutorr 7)
................................................................................................................................................................7-5
7.4.1 Exploded View ..............................................................................................................7-5
7.4.2 Parts List..........................................................................................................................7-5
7.5 Rear Housing Assembly (with CO2module, Only Available for Accutorr 7) ........7-7
7.5.1 Exploded View ..............................................................................................................7-7
7.5.2 Parts List..........................................................................................................................7-7
7.6 Main Bracket Assembly ..........................................................................................................7-9
7.6.1 Exploded View ..............................................................................................................7-9
7.6.2 Parts List..........................................................................................................................7-9
7.7 Power Management Board Assembly............................................................................ 7-10
7.7.1 Exploded View ...........................................................................................................7-10
7.7.2 Parts List.......................................................................................................................7-10
7.8 Parameter Connector Panel Assembly (without CO2module, CO2Only Available for
Accutorr 7).......................................................................................................................................7-11
7.8.1 Exploded View ...........................................................................................................7-11
7.8.2 Parts List.......................................................................................................................7-11
7.9 Parameter Connector Panel Assembly (with CO2module, Only Available for
Accutorr 7).......................................................................................................................................7-12
7.9.1 Exploded View ...........................................................................................................7-12
7.9.2 Parts List.......................................................................................................................7-12
7.10 Predictive Temperature Assembly ................................................................................7-13
7.10.1 Exploded View......................................................................................................... 7-13
7.10.2 Parts List .................................................................................................................... 7-13
7.11 Exergen TemporalScanner Thermometer Assembly.............................................. 7-14
7.11.1 Exploded View......................................................................................................... 7-14
7.11.2 Parts List .................................................................................................................... 7-15
7.12 Exergen frame Assembly..................................................................................................7-16
7.12.1 Exploded View......................................................................................................... 7-16

4
7.12.2 Parts List.................................................................................................................... 7-16
8 Hardware and Software Upgrade...........................................................................8-1
8.1 Hardware Upgrade ..................................................................................................................8-1
8.1.1 Upgrade Package ........................................................................................................8-1
8.1.2 Upgrading Parameter Modules .............................................................................8-1
8.1.3 Upgrading Temperature ...........................................................................................8-2
8.1.4 Upgrading Wi-Fi (Only Available for Accutorr 7)..............................................8-2
8.1.5 Enabling Parameter Functions...............................................................................8-3
8.2 Software Upgrade....................................................................................................................8-3
A Electrical Safety Inspection ....................................................................................A-1
A.1 Power Cord Plug..................................................................................................................... A-1
A.2 Device Enclosure and Accessories ................................................................................... A-2
A.3 Device Labeling ...................................................................................................................... A-2

1-1
1Introduction
1.1 Manual Information
Version Revision History
1.0 New
2.0 Modify temperature module test method, update parts list
3.0 Modify the Wi-Fi content
4.0 Delete the equipment symbols
5.0 Modify the description of equipment symbols, add the patent
information
6.0 Add CO2 description
7.0 Update parts list for new cleaning and disinfecting agents
8.0 Add VS-900c
9.0 Add the VS-900c silicon button.
10.0 Delete the warranty and exemption information
11.0 Add Exergen TemporalScannerTM Themometer contents
1.2 Safety Information
WARNING
Indicates a potential hazard or unsafe practice that, if not avoided, will result
in death or serious injury.
CAUTION
Indicates a potential hazard or unsafe practice that, if not avoided, could
result in minor personal injury or product/property damage.
NOTE
Provides application tips or other useful information to ensure that you get
the most from your product.

1-2
1.2.1 Warnings
WARNING
All installation operations, expansions, changes, modifications and repairs of
this product are conducted by Mindray authorized personnel.
There is high voltage inside the equipment. Never disassemble the
equipment before it is disconnected from the AC power source or the
battery.
When you disassemble/reassemble a parameter module, a patient leakage
current test must be performed before it is used again for monitoring.
The equipment must be connected to a properly installed power outlet with
protective earth contacts only. If the installation does not provide for a
protective earth conductor, disconnect it from the power line and operate it
on battery power, if possible.
Disposal of the packaging material should observe the applicable waste
control regulations and keeping it out of children’s reach.
1.2.2 Cautions
CAUTION
Make sure that no electromagnetic radiation interferes with the
performance of the equipment when preparing to carry out performance
tests. Mobile phone, X-ray equipment or MRI devices are a possible source of
interference as they may emit higher levels of electromagnetic radiation.
Before connecting the receiver to the power line, check that the voltage and
frequency ratings of the power line are the same as those indicated on the
unit’s label or in this manual.
Protect the equipment from damage caused by drop, impact, strong
vibration or other mechanical force during servicing.
1.2.3 Notes
NOTE
Refer to the operator’s manual for detailed operation and other information.
1.3 Equipment Symbols
See theapplicable Operator’s Manual for information about the symbols used on this
product and its packaging.

2-1
2Theory of Operation
2.1 Overview
The Monitor is intended for monitoring physiologic parameters, including SpO2, Pulse Rate,
NIBP and Temperature, on adult, pediatric, and neonatal patients in healthcare facilities by
clinical physicians or appropriate medical staff under the direction of physicians.
The equipment also:
Provides audible and visual alarm indications in case of patient or equipment
problems;
Provides display, review, storage and printing of monitored information;
Incorporates multiple input devices such as buttons, knob, and touchscreen; and,
Enables program upgrade over the network.
Nurse Call
CMS/Gatewa
y
AP
Mindray Proprietary LAN
Wi-Fi
EMR Server
Other device
Reserved port
Monitor
The above figure shows a system consisting of the vital signs monitor and its peripheral
devices. The vital signs monitor:
Can be used for monitoring the physiological parameters, giving alarms and
reviewing patient data, etc.
Supports recorder.
Supports nurse call function.
Supports Wi-Fi module, wired network, remote view, and communication with the
BeneVision Central Monitoring System (hereinafter called CMS) (only available for
the Accutorr 7).
Supports external AC power source and an internal battery.
Supports clinical data acquisition: by SD card or by USB drive.
NOTE
Wi-Fi module is only available for the Accutorr 7.

2-2
2.2 Connectors for Peripheral Devices
1. Connector for Temperature probe
2. Network connector: It is a standard RJ45 connector used to communicate with
external devices, such as central monitoring system, e-Gateway, or used to export
data or upgrade the system.
3. Multi-function connector: connects to the hospital's nurse call system, or connects
external devices through DIAP protocol.
4. USB connector: connects to barcode scanner or USB disk.
5. AC Power Input
6. Equipotential grounding terminal: When the equipment and other devices are to
be used together, their equipotential grounding terminals should be connected
together to eliminate the potential difference between them.
2.3 Main Unit
The main unit of the vital signs monitor consists of three parts:
Front housing assembly: main board, Wi-Fi module (only available for Accutorr 7),
keypad board assembly (knob), display, touchscreen, and alarm lamp board.
Rear housing assembly: power module (AC/DC), power management and
interface board (including SpO2isolation power), recorder, speaker, battery, NIBP
module, and SpO2board.
External module:Temperature module.
1
2
3
4
5
6

2-3
The following figure shows the main unit architecture of the vital signs monitor.
NIBP socket
SpO2socket
15V
AC-DC power
module
AC-IN
Power
management
and interface
board
Power
On/Off
keypad
(Indicator)
2600mAh
battery
Speaker
Alarm lamp
board
LCD display
Pump
Main board
Wi-Fi module
External interface
Knob
Touchscree
n control
board
Touch
screen
Front Housing Assembly
Rear Housing Assembly
NIBP module
Predictive
Temp
module
SpO2 board
（Standard
Mindray, OEM
optional）
SpO2isolation power
External Module
SD card
I2C
LVD
S
Backlight
RJ45/USB/Multifunctional
(nurse call, extended ports)
Temp
probe
Recorder

2-4
2.4 Front Housing Assembly
2.5 Main Board
The main board is the control center of the equipment. It provides communication, display,
and data storage functions, including:
Communication with SpO2board, NIBP module, and Temperature module
through connector;
Communication with power management board, keypad board, and recorder
through connectors;
Providing drive for display and backlight;
Providing 2 USB connectors, a network connector, and a multifunctional
connector;
Communication with touchscreen control board through I2C;
Providing drive for SD card; and,
Providing drive for Wi-Fi module(only available for Accutorr 7).
Alarm lamp
board
T
ouchscreen
control
board
Main board
Keypad
Screws securin
g
the front and rear housin
g

2-5
Keypad
The keypad scans and detects the input of keys and encoder, integrates the power on/off
key, and connects AC and battery indicators.
Alarm Lamp Board
The alarm lamp board is located at the top of front housing. It has two-color indicators, red
and yellow. The alarm lamp board directly connects the main board through a cable. It is
controlled directly by the main board.
Touchscreen and Touchscreen Control Board
The touchscreen control board drives the touchscreen and implements communication
with the vital signs monitor.
Wi-Fi Module (Optional, Only Available for Accutorr 7)
The Wi-Fi Module enables the equipment to connect to an 802.11 a/b/g/n Mindray
proprietary network.
2.6 Rear Housing Assembly
Rear housing assembly consists of power module (AC/DC), power management and
interface board (including SpO2isolation power), recorder, speaker, battery, NIBP module,
and SpO2board.
Power
management
and interface
board
SpO2board
NIBP
module
Speaker
AC/DC
power
module
Recorder

2-6
AC/DC Power Module
The AC/DC power board transforms the input AC into DC power, which is the power source
for all voltages in the equipment.
Power Management and Interface Board
The power management and interface board provides the following functions:
Charge and discharge of battery and charge detection;
DC/DC conversion: outputs 12V and 5V DC power;
Control over power on/off key and AC, BAT indicator;
Communication transmission among parameter modules;
Providing isolation power for SpO2module; and,
Providing external connectors, filter and protection for these connectors.
Recorder
The recorder receives data from the main board and sends them to the thermal printhead
for printing.
NIBP Module
The NIBP module consists of blood pressure measurement board and pump and valve
assembly, providing measurement acquisition of blood pressure data. The main functions of
the NIBP module are:
NIBP measurement; and,
Data exchange with the main board.
SpO2Board
The SpO2board collects SpO2signals, processes SpO2algorithm and sends measurement
results to the main board. The power management interface board provides isolation power
for it.
CO2Module (Only Available for Accutorr 7)
CO
2monitoring is a continuous, non-invasive technique for determining the
concentration of CO2in the patient’ airway by measuring the absorption of infrared (IR) light
of specific wavelengths. The main functions of the CO2module are:
Provides a CO2waveform, and EtCO2, FiCO2, awRR measurement; and
Data exchange with the main board through the serial ports.
2.7 External Module
An external Temp module can be attached to the monitor.
The independently developed Mindray Temperature module consists of an isolation power
board, Temperature measurement board, and probes. The Temperature measurement
board collects Temperature signals, processes algorithm and sends measurement results to
the main board.

3-1
3Equipment Installation
3.1 Unpacking the Equipment
Open the package and take out the packing list. Check that all the articles included in the
packing list are available and the quantity and specification are correct. Make sure that:
All the optional parts purchased by the customer have been received.
Notify Mindray North America if your order is incorrect or is incomplete.
In case of damage during transportation, keep the packing material and notify
Mindray North America immediately.
Keep the packing material until all equipment is checked and accepted.
3.2 Preparation for Installation
3.2.1 Preparation for Installation Site
1. Ensure that the site meets all safety, environmental and power requirements.
2. Ensure that a network connector is available if the equipment needs to be
connected to network.
3.2.2 Environmental Requirements
To avoid explosion hazard, do not use the equipment in the presence of flammable
anesthetics, vapors or liquids. The environment where the equipment will be used should
be reasonably free from vibration, dust and corrosive substances. If these conditions are not
met, the system may not function normally.
The environmental specification is as follows:
Main Unit
Item Temperature (℃) Relative humidity
(noncondensing)
Altitude
(mmHg)
Operating
environment
0 to 40 (without Temperature
module)
5 to 40 (with SmarTemp module)
16 to 40 (with Exergen Temp
module)
15% to 95% 427.5 to 805.5
Storage
environment
-30 to 70
-20 to 50 (with Exergen Temp
module)
10% to 95% 120.0 to 805.5
NOTE
The environmental specifications of unspecified accessories are the same as

3-2
those of the main unit.
3.2.3 Electrical Requirements
Check cables and power cords. Make sure that:
1. System cables, power cords, and power plugs are not damaged, and that the pins
are not loose. If damage is noted, discontinue use and replace.
2. Patient cables and connections are secure.
WARNING
Use only properly grounded power outlets.
Use the supplied power cord only!
Voltage 100 to 240V AC
Current 0.9 to 0.5A
Frequency 50/60 Hz
3.3 Equipment Installation
Follow the procedure below to install the equipment:
1. Ensure the unit and accessories are not damaged.
2. Install the battery (optional). For detailed operations, please refer to the operator’s
manual.
3. Connect AC power.
4. Connect the accessories.
Installation Support
The vital signs monitor can be mounted on a wall bracket or on a rolling stand. The wall
bracket or rolling stand can be ordered optionally. Each type of mounting bracket is
delivered with a complete set of mounting hardware and instructions. For detailed
installation information, please refer to Wall-mount Bracket Instructions for Use (PN:
0010-20-42933) and Rollstand Instructions for Use (PN: 0010-20-42934).
CAUTION
Use only Mindray supplied or approved mounting solutions.
The mounting bracket should be installed by qualified service personnel.