EDAN M3 User manual

I
About this Manual
P/N: 01.54.109399-11
Release Date: November 2011
© Copyright EDAN INSTRUMENTS, INC. 2008-2011. All rights reserved.
Statement
This manual will help you understand the operation and maintenance of the product better. It is
reminded that the product shall be used strictly complying with this manual. User’s operation
failing to comply with this manual may result in malfunction or accident for which EDAN
INSTRUMENTS, INC. (hereinafter called EDAN) can not be held liable.
EDAN owns the copyrights of this manual. Without prior written consent of EDAN, any
materials contained in this manual shall not be photocopied, reproduced or translated into other
languages.
Materials protected by the copyright law, including but not limited to confidential information
such as technical information and patent information are contained in this manual, the user shall
not disclose such information to any irrelevant third party.
The user shall understand that nothing in this manual grants him, expressly or implicitly, any
right or license to use any of the intellectual properties of EDAN.
EDAN holds the rights to modify, update, and ultimately explain this manual.
Responsibility of the Manufacturer
EDAN only considers itself responsible for any effect on safety, reliability and performance of
the equipment if:
Assembly operations, extensions, re-adjustments, modifications or repairs are carried out by
persons authorized by EDAN, and
The electrical installation of the relevant room complies with national standards, and
The instrument is used in accordance with the instructions for use.
Upon request, EDAN may provide, with compensation, necessary circuit diagrams, and other
information to help qualified technician to maintain and repair some parts, which EDAN may
define as user serviceable.

II
Terms Used in this Manual
This guide is designed to give key concepts on safety precautions.
WARNING:
A WARNING label advises against certain actions or situations that could result in personal
injury or death.
CAUTION:
A CAUTION label advises against actions or situations that could damage equipment, produce
inaccurate data, or invalidate a procedure.
NOTE:
A NOTE provides useful information regarding a function or a procedure.

III
Table of Contents
Chapter 1 Warranty and Service................................................................................................. 1
1.1 Standard Service................................................................................................................. 1
1.2 Limitation of Warranty ......................................................................................................1
1.3 Service Procedure............................................................................................................... 1
1.4 Contact Information ........................................................................................................... 3
Chapter 2 Installation and Safety................................................................................................ 4
2.1 Environment Requirements................................................................................................ 4
2.2 Electrical Requirements .....................................................................................................5
2.3 Safety Requirements .......................................................................................................... 5
2.4 Installing the Monitor......................................................................................................... 6
2.4.1 Install the Monitor on a Flat Surface........................................................................ 6
2.4.2 Mount the Monitor on Wall ..................................................................................... 6
2.4.3 Install the Monitor on Pole Clamp ........................................................................... 6
2.4.4 Install the Monitor on Trolley.................................................................................. 6
Chapter 3 Test and Maintenance................................................................................................. 7
3.1 Routine Test ....................................................................................................................... 7
3.1.1 Visual Inspection...................................................................................................... 7
3.1.2 Power- on Test ......................................................................................................... 7
3.1.3 Key Test ................................................................................................................... 7
3.1.4 Recording Test ......................................................................................................... 7
3.1.5 Alarm Test................................................................................................................8
3.2 Performance Test ............................................................................................................... 8
3.2.1 SpO2Performance Test ............................................................................................ 8
3.2.2 NIBP Performance Test ........................................................................................... 8
3.2.3 NIBP Leakage Test .................................................................................................. 8
3.2.4 NIBP Calibration...................................................................................................... 9
3.2.5 TEMP Performance Test........................................................................................ 10
3.3 Safety Test........................................................................................................................ 10
3.3.1 Safety Test Procedures........................................................................................... 10
3.3.2 Protective Earth Resistance.................................................................................... 11
3.3.3 Enclosure Leakage Current.................................................................................... 11
3.3.4 Patient Leakage current.......................................................................................... 12
3.3.5 Patient Leakage Current- Single Fault Condition (S.F.C) Mains on Applied Part 13
3.4.1 Cleaning the Monitor and Accessories .................................................................. 14
3.4.2 Maintaining the Battery.......................................................................................... 15
Chapter 4 System Configuration............................................................................................... 16
4.1 Enter Factory Maintain .................................................................................................... 16
4.2 Enter Demo Mode ............................................................................................................ 16

IV
4.3 Default Configuration ...................................................................................................... 16
Chapter 5 System Principle........................................................................................................ 17
5.1 Principle ........................................................................................................................... 17
5.1.1 NIBP....................................................................................................................... 18
5.1.2 SpO2....................................................................................................................... 18
5.1.3 TEMP ..................................................................................................................... 19
5.2 Principle Block Diagram.................................................................................................. 19
5.2.1 Main Control Board ............................................................................................... 20
5.2.2 Power Module ........................................................................................................ 31
Chapter 6 Troubleshooting........................................................................................................33
6.1 Monitor Booting Failure .................................................................................................. 33
6.2 Display Failure................................................................................................................. 34
6.3 Operation Failure ............................................................................................................. 34
6.4 Recorder Failure............................................................................................................... 35
6.5 Network Failure ............................................................................................................... 35
6.6 Power Board Failure ........................................................................................................ 36
6.7 Alarm Failure ................................................................................................................... 36
6.8 Parameter Failure ............................................................................................................. 36
Chapter 7 Disassembling the Monitor....................................................................................... 38
7.1 Tools Required................................................................................................................. 38
7.2 Replacing Fuses ............................................................................................................... 38
7.3 Disassembling the Main Unit........................................................................................... 40
7.3.1 Separating Front Housing and Rear Housing......................................................... 40
7.3.2 Taking out the Main Frame.................................................................................... 42
7.4 Disassembling Rear Panel Assembly............................................................................... 45
7.4.1 Replacing T2 Module............................................................................................. 45
7.4.2 Replacing the TH Module...................................................................................... 47
7.4.3 Replacing X2 Module ............................................................................................ 48
7.4.4 Replacing Power Module....................................................................................... 49
7.4.5 Replacing Network Module ................................................................................... 50
7.4.6 Replacing Speaker.................................................................................................. 51
7.5 Disassembling Front Panel Assembly.............................................................................. 53
7.5.1 Replacing Main Control Board .............................................................................. 53
7.5.2 Replacing Key Control Board................................................................................ 54
7.5.3 Replacing Extending Key Set Board...................................................................... 55
7.5.4 Replacing LCD Screen........................................................................................... 56
7.5.5 Replacing Alarm LED Board................................................................................. 59
7.5.6 Replacing LCD Driver Board ................................................................................ 59
Chapter 8 Renewal Parts............................................................................................................ 60
Appendix I Specifications...........................................................................................................61

M3 Vital Signs Monitor Service Manual Warranty and Service
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Chapter 1 Warranty and Service
1.1 Standard Service
EDAN provides a one-year-warranty for the warranted products (accessories are included). The
warranty period begins on the date the products are shipped to customers. If a customer promptly
notifies EDAN of customer’s warranty claim hereunder, EDAN will either repair, adjust or
replace (with new or exchange replacement parts) EDAN’s products. EDAN warrants that any
service it provides to customers will be performed by trained individuals in a workmanlike
manner.
1.2 Limitation of Warranty
Direct, indirect or final damage and delay caused by the following situations for which EDAN is
not responsible may void the warranty:
♦Groupware is dismounted, stretched or redebugged.
♦Unauthorized modification or misuse.
♦Damage caused by operating beyond the environmental specifications for the medical
product.
♦Change or remove original serial number label or Manufacturer symbol.
♦Improper use.
1.3 Service Procedure
(1) Fill in the Service Claim Form (SCF).
Fill in the SCF with detailed information including: Model Name, Serial Number (SN) and
Problem Phenomena.
EDAN should not have any obligation to take over the case without this information. The form
can be downloaded at: http://www.edan.com.cn or obtained from EDAN’s Service Department.
(2) Send EDAN the SCF and Select a Solution.
Once the service department receives the fully filled SCF, EDAN’s engineer will offer a solution
in three working days. EDAN will follow out the case based on the two conditions below:
Within Warranty:
There are two options:
i) After receiving the Return Material Authorization (RMA) form from EDAN service
department, the customer sends EDAN the defective parts and informs about the shipment
tracking number. Then we will dispatch new part (s) to your confirmed address with
confirmed shipping invoice.

M3 Vital Signs Monitor Service Manual Warranty and Service
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ii) The customer signs the Declaration Form and sends it back by email or fax. This form is
legally certificated to make sure the customer or end-user will return the defective parts to
EDAN on time. We will, at this option, dispatch the replacement one (s) with confirmed
shipping invoice.
NOTE:
1 Both Return Material Authorization Form and Declaration Form are offered by EDAN
service department once the SCF is confirmed by service engineer.
2 The customer is responsible for freight & insurance charges when the equipment is
shipped to EDAN for service, including custom charges. EDAN is responsible for the
freight, insurance & custom charges from EDAN to the customer.
Out of Warranty:
After receiving the RMA form from the service department, the customer sends defective parts to
EDAN in advance. We will analyze the problems and discuss with the customer about either
repairing or replacing the part (s). Once the maintenance fee is invoiced and paid, we will make
sure to dispatch good part (s) to the confirmed address.
NOTE:
The customer is responsible for any freight & insurance charge for the returned product.
(3) Obtain the RMA Form.
Before the shipment of the materials, the customer must obtain an RMA form from our service
department, in which the RMA number, description of returning parts and shipping instructions
are included. The RMA number should be indicated on the outside of the shipping container.
NOTE:
EDAN should not have any obligation to the end-user or customer who returns the goods
without the notification by EDAN’s service department. The sender takes full
responsibility for the accounted fee.
(4) Send the Parts to EDAN.
Follow these recommended instructions:
♦Please disassemble the parts with anti-static facility, do not touch the parts with naked hand.
♦Please pack the parts safely before return.
♦Please put the RMA number on the parcel.
♦Please describe the returned parts as ‘sample of *****’ and put the total value on the invoice,
and note on the invoice as ‘sample, no commercial value’.
♦Please confirm the invoice with Edan before shipment.
♦Please send back the parts after EDAN’s confirmation.

M3 Vital Signs Monitor Service Manual Warranty and Service
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1.4 Contact Information
If you have any question about maintenance, technical specifications or malfunctions of devices,
do not hesitate to contact us.
EDAN INSTRUMENTS, INC.
TEL: [phone]
FAX: [phone]
E-mail: [email protected]

M3VitalSignsMonitorServiceManual Installation and Safety
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Chapter 2 Installation and Safety
WARNING
Only qualified service engineers can install this equipment. And only service engineers
authorized by EDAN can open the shell.
2.1 Environment Requirements
The environment where M3 Vital Signs Monitor (hereinafter called monitor) will be used should
be reasonably free from vibration, dust, corrosive or explosive gases, extremes of temperature,
humidity, and so on.
Size 200.8 mm (L)×241 mm (H)×189 mm (D)
Temperature
Working +5 °C ~ +40 °C
Transport and Storage -20 °C ~ +55 °C
Humidity
Working 25% ~ 80% (no condensation)
Transport and Storage 25% ~ 93% (no condensation)
Altitude
Working 860hPa ~ 1060hPa
Transport and Storage 700hPa ~ 1060hPa
CAUTION
1 If the monitor is installed in a cabinet, allow at least 2 inches (5 cm) clearance around
the monitor for proper air circulation; allow adequate accessibility for servicing, and
adequate room for visualization and operation.
2 Ensure the monitor is not subjected to any source of strong electromagnetic
interference, such as CT, radio transmitters, mobile phones base stations, etc.
3 Do not install the monitor in a flammable atmosphere where concentrations of
flammable anesthetics or other materials may occur.
4 Keep the environment clean. Avoid vibration. Keep it far from corrosive medicine, dust
area, high-temperature and humid environment.

M3VitalSignsMonitorServiceManual Installation and Safety
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2.2 Electrical Requirements
Voltage: 100V-240V ~
Frequency: 50Hz/60Hz
Pmax: 70VA
Power Supply
Battery: 14.8 V/4.4 Ah; 14.8 V/2.2 Ah.
2.3 Safety Requirements
The monitor complies with the requirements of the valid version of the system standard IEC/EN
60601-1-1, it is Class equipment and internally powered equipment.Ⅰ
Anti-electroshock degree:
NIBP, SpO2
This symbol indicates that the instrument is IEC/EN60601-1 Type BF equipment. The unit
displaying this symbol contains an F-Type isolated (floating) patient applied part providing a high
degree of protection against shock, and is suitable for use during defibrillation.
TEMP
This symbol indicates that the instrument is IEC/EN60601-1 Type CF equipment. The unit
displaying this symbol contains an F-Type isolated (floating) patient applied part providing a high
degree of protection against shock, and is not suitable for use during defibrillation.
CAUTION
1SHOCK HAZARD- the power receptacle must be a three-wire grounded outlet. A
hospital grade outlet is required. Never adapt the three-prong plug from the monitor to
fit a two-slot outlet. If the outlet has only two slots, make sure that it is replaced with a
three-slot grounded outlet before attempting to operate the monitor.
2 Do not touch signal input or output connector and the patient simultaneously.
3 Equipment and devices that connect to the monitor should form an equipotential body
to ensure effective grounding.
4 Do not switch on the monitor until all cables have been properly connected and verified.