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EDAN M3 Service Manual

Manual is about: vital signs monitor

Summary of M3

  • Page 1

    Edan instruments, inc . Manual ver: v1.0 release date: aug. 2008 part number: ms1r-109399-v1.0

  • Page 2: Copyright

    I copyright edan instruments inc. 2008 statement edan instruments inc. (hereinafter called edan) owns all rights to this unpublished work and intends to maintain this work as confidential. Edan may also seek to maintain this work as an unpublished copyright. This publication is to be used solely for...

  • Page 3: Using This Label Guide

    Ii using this label guide 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,...

  • Page 4: Table of Contents

    Iii table of contents 1 introduction................................................................................................................. 1 1.1 general information ................................................................................................ 1 1.2 screen display .........

  • Page 5

    Iv 4 test and calculation ................................................................................................. 26 4.1 check the monitor ............................................................................................. 26 4.2 nibp calibration.....................................

  • Page 6: 1 Introduction

    M3 vital signs monitor service manual - 1 - 1 introduction ■ general information ■ screen display ■ button functions ■ interfaces ■ built-in chargeable battery 1.1 general information m3 vital signs monitor (hereinafter called monitor) monitors parameters such as spo 2 (areterial oxygen saturation f...

  • Page 7: 1.2 Screen Display

    M3 vital signs monitor service manual - 2 - m3 vital signs monitor can monitor: nibp: systolic pressure (sys); diastolic pressure (dia); mean pressure (map); spo 2 : arterial oxygen saturation (spo 2 ); pulse rate (pr); spo 2 pleth (plethysmogram) the m3 monitor provides extensive functions as visua...

  • Page 8

    M3 vital signs monitor service manual - 3 - figure1-3 main display with data the icons on the interface and their meanings are as follows: battery status indicator connected to mains power supply network connection indicator network connection off medium/low alarm icon high alarm icon audio system o...

  • Page 9

    M3 vital signs monitor service manual - 4 - patient type: adu patient type: ped patient type: neo nibp manual mode nibp interval mode nibp continual mode heart beat id current patient id 18：18：55 current time parameter area (①) parameter area is on the right of waveform area, and parameters are disp...

  • Page 10: 1.3 Button Functions

    M3 vital signs monitor service manual - 5 - signs indicating the net connection status; signs indicating the battery or mains power supply status; current time; signs indicating the sensor off or alarm off. Alarm indicator and alarm status － under normal status, the alarm indicator does not light. －...

  • Page 11

    M3 vital signs monitor service manual - 6 - all the operations to the monitor can be finished by several buttons. ① on/off when the monitor is off, press this button to turn on it. When the monitor is on, press this button and hold for 3s to turn off the monitor; or press this button for less than 1...

  • Page 12: 1.4 Interfaces

    M3 vital signs monitor service manual - 7 - 1.4 interfaces for the convenience of operator, interfaces of different function are in different sites of the monitor. Left side of the monitor at the left side of the monitor, there is the recorder’s paper inlet cover (①). Figure1-5 left panel sensor por...

  • Page 13

    M3 vital signs monitor service manual - 8 - 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 de...

  • Page 14

    M3 vital signs monitor service manual - 9 - figure1-7 bottom panel 1.5 built-in rechargeable battery the monitor is equipped with a built-in rechargeable lithium-ion battery (hereinafter called battery). When switch on ac power supply, the battery will be recharged automatically until full electric ...

  • Page 15

    M3 vital signs monitor service manual - 10 - for recharging, the battery is 90% to 100% charged after 300min of recharging. Replace battery during monitoring state or communication state, when the electric energy of battery is low or empty, the battery state icon will display and flash. When the lif...

  • Page 16

    M3 vital signs monitor service manual - 11 - disassemble or modify the battery. Warning before transporting, the battery should be taken off from monitor. Warning please take out the battery before storing the monitor for more than 1 month..

  • Page 17: 2 Principle

    M3 vital signs monitor service manual - 12 - 2 principle 2.1 general parts the monitor has been designed to measure physiological parameters including nibp and spo 2 . There are five parts in monitor, see figure 2-1. • parameter measuring part • main control part • interface part • power supply part...

  • Page 18: 2.1.2 Main Control Part

    M3 vital signs monitor service manual - 13 - 2.1.2 main control part main control board consists of core board and interface board. It has cpu/memory, display circuit, network circuit and i/o interface. Main control board of the integrated board is used to drive man-machine interface, manage paramet...

  • Page 19: 2.2.1 Power Module

    M3 vital signs monitor service manual - 14 - figure2-2 structure and part relationship note: the nurse call board and the network board are optional configuration, they can not be installed at the same time. If you want to use the nurse call function, you should install the nurse call board, otherwi...

  • Page 20

    M3 vital signs monitor service manual - 15 - figure2-3 schematic diagram of power board principle introduction this module converts 220v ac mains power supply or battery power into 5v, 12v and -12v dc supplies to power other boards. If ac mains and battery coexist, the former take the priority to po...

  • Page 21: 2.2.2 Main Control Board

    M3 vital signs monitor service manual - 16 - voltage detection circuit detects the output voltage of every part in detection circuit, converts analogue signals to digital signals and then send them to main control board for processing. 2.2.2 main control board main control board which is consisted o...

  • Page 22: 2.2.3 Keyboard

    M3 vital signs monitor service manual - 17 - logical control and other functions. Rtc rtc can offer second, minute, hour, day, month, year and other calendar information. Cpu can gain such calendar information from rtc, it also can rewrite the data in rtc. Ethernet controller ethernet controller sup...

  • Page 23: 2.2.4 Recorder Module

    M3 vital signs monitor service manual - 18 - principle introduction this module detects key and encoder input signals, converts them into codes and sends to main control board. Main control board sends command to the keyboard and the latter accordingly control indicator and audio process circuit to ...

  • Page 24: 2.3.1 System Software

    M3 vital signs monitor service manual - 19 - start printing action. Step motor drive circuit a step motor is used in the recorder to feed paper. This circuit is designed to drive the step motor. Recorder status detect circuit detect the status of the recorder and send the information to cpu system, ...

  • Page 25

    M3 vital signs monitor service manual - 20 - it indicates software system inner the frame above, on the left of frame is software system input, and on right is software system output; parameter measuring module exchanges data with software system by serial ports, while user communicates with system ...

  • Page 26: 2.4  System Parameters

    M3 vital signs monitor service manual - 21 - 2.4 system parameters 2.4.1 general parameter module is the basic unit to acquire signals for monitoring parameters in monitor. The results are transmitted to main control board by keyset to finally accomplish processing and displaying of data and wavefor...

  • Page 27: 2.4.2 Nibp

    M3 vital signs monitor service manual - 22 - 2.4.2 nibp blood pressure monitors commonly measure arterial pressure, which is produced by the contraction of the heart and constantly changes over the course of cardiac cycle. Three blood pressure values, expressed in millimeters of mercury above atmosp...

  • Page 28

    M3 vital signs monitor service manual - 23 - display the changing light intensity in the form of changing electronic signals. The ratio between the dc and ac of the two types of signals for light is the proportion of oxygen in the blood. Then we can calculate correct spo 2 value by using specified a...

  • Page 29: 3 Installation of Monitor

    M3 vital signs monitor service manual - 24 - 3 installation of monitor 3.1 open the package and check open the package and take out the monitor and accessories carefully. Keep the package for possible future transportation or storage. Check the components according to the packing list. N check for a...

  • Page 30: 3.5 Check The Recorder

    M3 vital signs monitor service manual - 25 - 3.4 connect sensor to patient connect all the necessary patient sensors between the monitor and the patient. Note: for information on correct connection, refer to related chapters in user manual. 3.5 check the recorder if your monitor is equipped with a r...

  • Page 31: 4 Test and Calculation

    M3 vital signs monitor service manual - 26 - 4 test and calculation 4.1 check the monitor for the conventional testing contents of monitor, please refer to the user manual. The information in this chapter is only a brief introduction. First check the device appearance and installation, and be sure t...

  • Page 32

    M3 vital signs monitor service manual - 27 - authorized by edan. Note: the calibration of nibp is just a method for checking the measuring result, it will not change the measuring standard. Nibp calibration needs t-connector, hose and thermometer. Calibration procedure: 1. Connect air way as indicat...

  • Page 33: 5 Disassembly Graph

    M3 vital signs monitor service manual - 28 - 5 disassembly graph this chapter introduces the inner structure and parts of the monitor, including disassembly graph, front shuck assembly, rear shuck assembly and main bracket assembly. 5.1 disassembly graph 1: m3 front shuck assembly; 2: main bracket a...

  • Page 34

    M3 vital signs monitor service manual - 29 - 1, 5, 7: cross recessed pan head screw m3 ×6; 2: main control board; 3: m3 main control board insulated gasket; 4: m3 screen bracket; 6: 5.7 inches lcd; 8, 21, 26: cross recessed pan head self-tapping screw st3 ×8; 9: main control keyboard; 10: m3 main co...

  • Page 35: 5.3  Rear Shuck Assembly

    M3 vital signs monitor service manual - 30 - 5.3 rear shuck assembly 1: m3 rear shuck rubber feet; 2: m3 battery compartment cover; 3: m3 recorder slot cover; 4, 9: cross recessed pan head self-tapping screw st3 ×8; 5: m3 recorder bracket; 6: m3 rear shuck; 7: cross recessed pan head self-tapping sc...

  • Page 36

    M3 vital signs monitor service manual - 31 - 1: label on m3 rear board; 2: cross recessed countersunk head screw m3 ×6; 3: m3 rear board; 4: m3 grounding wire pole; 5, 18: nut m4; 6: ac power supply interface board; 7, 8, 12, 14, 16, 25: cross recessed pan head screw m3 ×6; 9: power board; 10: m3 po...

  • Page 37: 6 Troubleshooting

    M3 vital signs monitor service manual - 32 - 6 troubleshooting in transportation, storage and use of monitor, various factors such as unstable network voltage, changing environmental temperature, falling-down or impact, component aging may all result in monitor failures and therefore affect normal a...

  • Page 38: 6.2  Display Failures

    M3 vital signs monitor service manual - 33 - bad connection of ④ power supply or main control board replace or repair ④ connectors 6.2 display failures failure possible cause solution ①power switch board damage ① replace power switch board bad connecting w ② ire of display ② repair or replace connec...

  • Page 39: 6.4  Power Board Failures

    M3 vital signs monitor service manual - 34 - network linking wire is ① damaged. ① check and repair network linking wire or hub. ② network bed no. Conflicts change bed no. ② can not be linked into network ③ main control board failure ③ replace main control board 6.4 power board failures failure possi...

  • Page 40

    M3 vital signs monitor service manual - 35 - ① patient is moving k ① eep the patient quiet spo 2 waveform has strong interference. ② environment light is very intensive ② weaken the light intensity in the environment spo 2 value is inaccurate ① coloring agent has been injected into patient body ① re...

  • Page 41: 7 Maintenance and Cleaning

    M3 vital signs monitor service manual - 36 - 7 maintenance and cleaning 7.1 general cleaning warning turn off the power and disconnect the line power before cleaning the monitor or the sensor/probe. Caution pay special attention to avoid damaging the monitor: 1) avoid using ammonia-based or acetone-...

  • Page 42

    M3 vital signs monitor service manual - 37 - c. Hydrogen peroxide 3% d. Alcohol e. Isopropanol ■ sterilization to avoid extended damage to the equipment, sterilization is only recommended when stipulated as necessary in the hospital maintenance schedule. Sterilization facilities should be cleaned fi...

  • Page 43: 7.1.2 Spo

    M3 vital signs monitor service manual - 38 - figure7-1 replace rubber bag in cuff to replace the rubber bag in the cuff, first place the bag on top of the cuff so that the rubber tubes line up with the large opening on the long side of the cuff. Now roll the bag lengthwise and insert it into the ope...

  • Page 44: 7.2  Maintenance Menu

    M3 vital signs monitor service manual - 39 - the sensor, and then dry it with a cloth. This cleaning method can also be applied to the luminotron and receiving unit. N the cable can be cleaned with 3% hydrogen dioxide, 7% isopropanol, or other active reagent. However, connector of the sensor shall n...

  • Page 45: Factory Maintain

    M3 vital signs monitor service manual - 40 - note: please restart the monitor after changing the language. N alm sound: you can set alarm sound to on or off. For more details refer to chapter alarm. N nurse call: turn on or off the nurse call. When the parameter alarm occurs, the monitor gives 3s nu...

  • Page 46

    M3 vital signs monitor service manual - 41 - 8 accessories and ordering information warning the specification of accessories recommended is listed below. Using other accessories may damage the monitor. Note: for using neonatal disposable cuff, one nibp tube, one connecting tube and one neonatal disp...

  • Page 47

    M3 vital signs monitor service manual - 42 - m15-40097 neonatal disposable cuff 5102 (about 6-9cm) m15-40098 neonatal disposable cuff 5104 (about 9-14cm) m13-36036 nibp tube (3m) ms1-30437 connecting tube for neonatal cuff m50r-78035 printing paper m21r-064115 rechargeable lithium-ion battery /hylb-...

  • Page 48: 9 Warranty And Service

    M3 vital signs monitor service manual - 43 - 9 warranty and service standard service the warranty period begins on the date the products are shipped to customers. If customer promptly notifies edan of customer’s warranty claim hereunder, edan will either repair, adjust or replace (with new or exchan...

  • Page 49

    M3 vital signs monitor service manual - 44 - edan on time. We will, at this option, dispatch the replace 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...

  • Page 50

    M3 vital signs monitor service manual - 45 - 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: +86-755-26898321, 26899221 fax: +86-755-26882223, 26898330 e-mail: support@edan...

  • Page 51: A1.1 Classification

    M3 vital signs monitor service manual - 46 - appendixⅠproduct specification a1.1 classification anti-electroshock type classⅠequipment and internal powered equipment emc type class a anti-electroshock degree spo 2 , nibp bf defibrillation type ingress protection ipx1 working system continuous runnin...

  • Page 52: A1.2.4 Battery

    M3 vital signs monitor service manual - 47 - 1 power on indicator led (green) 1 alarm indicator led (orange/ red) 1 charge indicator led (yellow) 1 alarm sound indicator led (backlight) 1 nibp working status indicator led (backlight) 3 sound modes correspond to alarm mode a1.2.4 battery quantity 1 t...

  • Page 53: A1.2.8 Spo

    M3 vital signs monitor service manual - 48 - adult mode sys 30~270mmhg dia 10~220mmhg map 20~235mmhg pediatric mode sys 30~235mmhg dia 10~220mmhg map 20~225mmhg neonatal mode sys 30~135mmhg dia 10~110mmhg map 20~125mmhg cuff pressure measuring range 0~280mmhg pressure resolution 1mmhg pressure accur...

  • Page 54

    M3 vital signs monitor service manual - 49 - anti-motion interference strong anti-motion interference, anti-electrotome nellcor module (optional) measuring range 1 ~ 100 % alarm range 1 ~ 100 % resolution 1 % accuracy adult and low-perfusion ± 2 digits（70%~100% spo 2 ） undefined（0~70% spo 2 ） neonat...

  • Page 55

    Edan instruments, inc. Addr: 3/f-b, nanshan medical equipments park, nanhai rd 1019#, shekou, nanshan shenzhen, 518067 p.R. China tel: +86-755-26882220 fax: +86-755-26882223.