Service Manual - Frank`s Hospital Workshop
Contents
1. 15 250 mmHg Neonate SYS 25 135 mmHg DIA 10 110 mmHg 15 125 mmHg Pressure Transducer accuracy 23 mmHg full range Initial Inflation Target Adult 150 mmHg Neonate 70 mmHg Overall System Efficacy Meet ANSI AAMI SP 10 1992 Memory 100 Records SPO2 Pulse Oximetry Method 2 Wave Length Pulse Wave Type Range 50 to 100 Accuracy 2 SPO2 70 100 3 SPO2 50 70 Pulse Rate Range 25 250 bpm TEMPERATURE Probe Type YSI 700 400 Compatible Range 0 50 0 2 C RESPIRATION Method Impedance Base Resistance 250 1250 Ohm Dynamic Range 0 2 2 Ohm Breath Rate Range 6 150 Brpm IBP Channel 2 Press Sensor Sensitivity 5 uV V mmHg Press Sensor Impedance 300 2500 Ohm Resolution 1 mmHg Error 2 96 or 2mmHg which ever is greater Neptune Monitors 31 Service Manual CO2 Method Infra red absorption Measuring mode Side stream Measuring rang Co2 0 99mmHg AWRR 0 250BPM Resolution Co2 1mmHg AWRR 1BPM Accuracy 2 4mmHg 0 40mmHg 10 reading 41 76mmHg 12 of reading 77 99mmHg AWRR 2 Typical accuracy is based on the following Ambient temperature 22 Standard gas mixture of CO2 in balance air Barometric pressure at 760 mmHg sea level CO2 sample line 7 foot ID 0 55 1 4mm Sampling flow rate 175ml min Respiratory rate lt 30BPM stable to 3BPM E ratio 21 2 CO2 accuracy is derated between 5 C to 15 C and 45 C to 55 C Start up ti2. Service Manual Chapter 8 Specifications 8 1 NEPTUNE Specifications DISPLAY Displaying Waveforms Sweep Speed Numeric Parameters Operation Method ECG Leads Dynamic Range Leakage Current Lead Off Current Gain Calibration Filters CMRR Internal Noise Input Impedance QRS Detection Heart Rate Range Tall T Wave TFT COLOR 800 x 600 NEPTUNE ECG ECG Cascade SPO2 RESP IBP1 2 2 all Freezable 12 5 25 50 mm sec SPO2 SYS DIA MAP DT RR T1 T2 IBP1 amp IBP2 SYS DIA MEAN 2 FiCO2 EtCO2 AWRR Membrane and rotary knob 3 Wires Il 5 mV lt 10 uA lt 90 nA 4 2 1 1 2 1 4 Auto 1mV 0 5 sec MONITOR 0 5 28 Hz NORMAL 0 5 40 Hz EXTENDED 0 05 100 Hz gt 98 dB lt 30 uV RTI gt 10 Mohm Duration 40 to 120 msec Amplitude 0 5 to 5 mV for Adult 0 2 to 5 mV for Neonate 25 250 bpm Reject up to 1 2 mV Amp Pacer Detection Rejection Protection Standards Neptune Monitors Duration 0 1 2 msec Amp 22 to 700 mV Without over undershoot Reject From Heart Rate Counter Re insert into ECG to display on screen Defibrillator and Electrosurgery IEC 60601 1 ANSI AAMI EC 13 30 Service Manual NIBP Measurement method Oscillometric Measurement mode Manual Automatic Measurement time 18 26 sec excluding cuff pressurization time Measurement Range Adult SYS 25 250 mmHg DIA 10 220 mmHg
3. 0 Po vec Ww i Tal C SOUT GNDM CDAM SOUE GNDM NN GD En WE Hn 0 0 4 0 Y oan D He V 4 Y 0 440 0 Mu 10 0 ND _ 1 2 00 0 DE DE DCNSOCKET CDE GND GND SOUND DCN DCN ES EGO BATTERY ___ m BN ACIN VB n 00 ONOFF GND x GROUNDNG m CONNECTOR FOND POWER SOCKET Tik Size Revision M Du 6 Apr200S Sheet of File C Documents and Setings gh andchi eni D1600 DDB 4 Neptune Monitors 15 Service Manual 3 2 2 MODULE CONNECTION Diagram 1 2 INT232 NIBP MODULE TX BP RX RX RX BP TX CTX YDB Vb 4 K GND F K VDD IPI ml 5 GND GND GND GND VDD M VDD M DEFS gt VDDM E ECG RESP TEMP MODULE ECG RES
4. SIARE applies the UNI EN ISO 13485 2004 Quality System and the EEC 93 42 Medical Devices Directive SIARE ENGINEERING INTERNATIONAL GROUP s r l Via Pastore 18 40056 Crespellano Bologna ITALY Tel 39 051 969802 Fax 39 051 969366 Email mail siare it http Awww siare it Neptune Monitors 34
5. Fig 1 3 3 1 z 9 o Related to SpOo module type there are two forms for side sockets fig 1 3 3 1 Neptune Monitors Service Manual These parts are fixed at the back of system 1 Power socket 2 Power DC socket DC IN 3 Network interface Socket 4 Earth jack 5 Battery fuse Notice If you don t want to use system for more than two weeks you should take out battery fuse to disconnect battery from circuit 1 4 The symbols of system There are symbols on system that their meaning is in the following This symbol means careful refer to the manual Indicates that the device is IEC 601 1 type CF equipment The units displaying this symbol an F type isolated floating patient applied part providing a high degree of protection against shock and is suitable for use during defibrillation Warning you want to use this system and electro shock at the same time you should use approved cable of company so you shouldn t use another cables Neptune Monitors 9 Service Manual Chapter 2 Theory of operation 2 1 Principles of monitoring In depend on what kinds of modules are fixed in monitors they can measure following parameters e ECG Saturated Pulse Oximeter 2 e Respiration e Temperature 2 channel e Non Invasive Blood Pressure Invasive Blood Pressure 2 channel Co2 2 1 1 ECG The ECG or electro
6. VIDE C VIDE C VIDE AN NVERTER VN VN YN VDDEL 0 GNDEL CCFLHVI CCFLHVI n i m W CN GN GNDEL oN CCFLRIN CCFLRIN GN ONOFF ONOFF CDE DM CONT ODE GN ODE SIDE KEYBOARD amp ROTARY SOUND ES AMED A 00 ALARMSLNC ALARMSLNC i B M FREE REEZI B EQN AI ACN IECHG AMMB ALEI ONO WER LED POWER LE 07 LOU XBP GN ej A STARTSTOP KB OMEMENU HOMEMENU KHGOUT ONOFF 00 GN e 00 GND 00 CN ms Tite am Cu RONTPANEL c 01 Sie Number Revision M Du 6 Apr 2005 Sheet of File C Documents and Settings D1 600 DDB 1 3 4 Neptune Monitors 17 Service Manual 3 3 System Diagram AU SOLATION FOVERBOAD AGN 133 HSG EATON 1 HBA HSO AN TAA aN Number Neptune Monitors 18 Service Manual 3 4 Circuit diagram amp part lists Last revision of circuit diagrams amp part lists are available on master document in SIARE For more information please contact following e mail mail siare it Neptune Monitors 19 Service Manual Chapter 4 Installation 4 1 System inst
7. battery charging The connectors of cables sensors and cuff are at the left side of system Other sockets like as network connector DC in and power plug in are at the back of system 1 3 1 General information NEPTUNE ss On off key fixed function keys Rotary switch Alarm and Power indicators are placed on the right side of system s front panel Display of NEPTUNE monitor is color TFT When you rotate Rotary switch the selected parameters boarder will be bolded and if press it the related menus will be displayed on the bottom of screen In the parameter menus you can trace between parameters and select them by pressing rotary switch knob and apply proper setting You can close setting menus by pressing Home menu key or selecting Exit This facility makes more user friendly and easy to use Neptune Monitors 6 Service Manual BED 04 PATIEANT NAME 80 06 01 12 25 31 ADULT Beta ARepm ECG 1 2 0 T ECG CABLE OFF PACE mmHg 120459 ECG CHECK LA 4 i XAUTO 25 mm s amp Hnc 185 12 25 9 8 SPO2 HIGH AMBIENT LIGHT XAUTO mm s 12 e M IBP1 mmHg T4 ed be 120 180 35 7 000 ECG WINDOW IBP2 mmHg T UG ECG FILTER 120 80 02 HR SOURCE UTO 50 BEAT VOLUME amp 100 c ST ANALYSIS RR BrPM OFF ARR ANALYSIS 20 RESP 50 Fixed function keys are Alarm s
8. calibration should be performed every two years or as frequent as dictated by hospital policy When you need calibration services contact after sale service of SIARE 4 3 a Capno module calibration It is recommended to calibrate your NEPTUNE systems with Capnograph feature every 6 month To calibrate the module go through OPERATION MANUAL instruction Neptune Monitors 25 Service Manual Chapter 6 Care and Cleaning 6 1 6 2 6 3 General Care Qualified staff should perform using the system Before using this device do the following check Check if there is any damage of enclosure such as ruin break or crushed Check cables probes and accessories of device Control function of device to make sure that device operates correctly If you find any damage on the device stop using it and contact the qualified technicians of hospital or after sale service of SIARE Qualified technicians of SIARE should perform all checks that need to open the monitor General cleaning Warning Before cleaning the monitor and accessories turn off the monitor and disconnect it from power line Non caustic detergents such as soap and water can do regular cleaning of enclosure display cables and accessory probes Alcohol isopropanol and hospital grad ethanol are useable for cleaning Notice The cleaning agents don t enter in to the chassis of the device and make sure that cleaning agent doesn t leave at any part of device Warn
9. 2 System System EEPROM error in Call for service fault 44 CCITT CRC Code System FLASH ROM Call for service CO2 SySIEm Error in CCITT CRC fault 46 Code CO2 System TOR Call for service fault 47 System communication Error CO2 System Call for service fault 4B System external RAM Error po CO2 System Call for service fault 4C System internal RAM Error pue CO2 System System FLASH ROM Call for service fault 4D Error in Checksum CO2 System Call for service CO2 System Call for service fault 4F y iibi ab CO2 System Pump taure Call for service fault 80 i GOZ Barometric pressure too high fault 84 9 Geen Barometric pressure too low Bd fault 85 Watertrap is not connected to Connect watertrap COEN WAARD the system 16 Call for service CO2 INLET Obstructed watertrap cannula OCCLUDE 17 for service CO2 EXHUST Exhaust occlusion or pneumatic Call for service OCCLUDE leak 18 CO2 Unexpected Unexpected reverse flow or e c 4 reverse flow vacuum offset too 15 81 for service CO2 Unexpected Unexpected 2 forward flow Forward flow 82 for service RESP respiration condition Call for service overruns adjusted time There is no CO2 module or CO2 NO MODULE B E Sr communication another problem appeared Call for service Neptune Monitors 29
10. P SOCKET ECGT a GA 2 LA 5 PR SHILD 6 TEMP SOCKET GR 2 TIT 3 1 2 GR 1 TEMP SOCKET TT 1 2 3 SCAP BOARD LC 101 BOARD VDDM VDM WATER TRAP RECIVER vec RXD TXD 1 1 29 JP Exp RxD 101 2 7 GND GND SPO2 MODULE IBP MODULE SOCKET 3 T 12 1 4 2 4 IPL Gap WDT 4 WDT RST RST Te RX RX 5 TX A IBP2 SOCKET GBP 1 GBP 42 4 712 3 TE 6 1 GND M GND M SPO2 SOCKET vel VDD M OUT 14 VDD M OUT VDD M PROBE E GA t CATHD 12 ANODE 7 8 B A mc MODULES Size Number Revision B 6 2005 Sheet C Documents and Se ingswhandchi Laghtapllg D16 00 DDB 1 2 4 Neptune Monitors 16 Service Manual 3 2 3 NEPTUNE FRONT PANEL CONNECTION Diagram 1 3 STBOARD MOTHER BOARD TET DISPLAY VCC 3 VCC AVEC 3 VCC m RD o 6 D RD 0 D n RED 0 RED B DCD DC GREEN REEN OD 6 CREEN GREEN E BLUE JE VIDM 0 0 CLOCK_OUT CLOCK_OUT vee n 5 CLOCK 007 CLOCK OUT MM W GN 0 TM GN Du Eo Eo CDM C 5 CC CDM 12 VCC 2 VCC CDM ENAVEE ENAVEE VIDE
11. Service Manual NEPTUNE Portable Patient Monitor Service Manual Contents Chapter 1 Introduction About this manual Warnings General information of system The symbols of system Different models and modules h oR Chapter 2 Theory of operation 2 1 Principles of monitoring 2 2 Modules Chapter 3 Technical specification of system 3 1 Block diagram 3 2 Connections diagram 3 3 System diagram 3 4 Circuit diagram amp part lists Chapter 4 Installation 4 1 System installation 4 2 Fixed stand amp trolley installation Chapter 5 Test procedures 5 1 Test equipment 5 2 Performance Test 5 3 Calibration Chapter 6 Care and cleaning 6 1 General care 6 2 General cleaning 6 3 Sterilization and disinfecting Chapter 7 Trouble shooting Chapter 8 Specifications 8 1 NEPTUNE Specifications Service Manual Neptune Monitors Chapter 1 Introduction 1 1 About this manual Service manual only contains additional technical information about system This manual contains information about servicing and maintenance of NEPTUNE monitors When you want to service these systems you should refer to this manual but if you want to know about systems setting and get more information about using those you should consult the operator s manual This manual is intended to help diagnosing servicing and trouble shooting the monitor to the board level Board s schematics in this
12. a three way adaptor supplied with the NIBP simulator connect adult patient cuff and air hose of simulator to the other way Wrap the cuff around simulator block in a suitable condition 2 Set the NIBP simulator to 120 80 mmHg and start monitor 3 The measurement should be done and the NIBP read of the monitor should be the value of simulator setting monitor 120 80 mmHg with tolerance of 5 mmHg for both systolic and diastolic 4 Disconnect cuff from the air hose after that start monitor for measuring of pressure The monitor should start inflating automatically after 10 seconds the inflation are stopped and the error massage be displayed in monitor 5 Block the air outlet with finger and start monitor to inflat The inflation should be immediately stopped and the error message be displayed Neptune Monitors 23 Service Manual 5 2 6 IBP functions 1 Connect the IBP simulator to the monitor Set pressure of simulator on zero and do zero set in system 2 Set the simulator 120 80 mmHg System displays pressure with tolerance 1 mmHg 3 Do above functions for both BP4 amp BPo 5 2 7 Co2 functions 1 Make sure that watertrap is not connected to system From Resp menus select CO2 NO WATERTRAP error will be displayed After 30 second CO2 MODULE STANDBY will be replaced by previous massage 2 Connect co2 absorber to the watertrap and go to zero menu low run time error will be displayed Wai
13. allation 1 Make sure the package is not damaged 2 Take out the accessory package and make sure that the accessory depending on system model are complete 3 Install the proper stand according to 5 2 a amp 5 2 b 4 Install the system on stand according to 5 2 c 5 place the battery fuse in fuse holder on the back left corner of system 6 Place the cable holder and plug AC cable to system Check safety grounding system 7 Plug the system to AC line and turn on system 8 Unplug system It must continue working internal battery operation Note is necessary to charge the battery completely before using charge the battery for at least 8 hours Note Take out battery fuse if stored for more than 2 weeks 9 Test the system according to test 111 procedure fill out test reports 10 Fill out the warranty card 4 2 Fixed stand amp trolley installation 4 2 a fixed stand installation Warning Use only fixed stands approved by SIARE Unpack the stand install stand about 135 Cm heights Select the proper place for stand and system assign the screws place Warning Take care about undersurface cables pipes and etc Make holes on the wall with proper drill drill No 7 is recommended tight the fixed stand to wall by fastening all screws Neptune Monitors 20 Service Manual 4 2 b Trolley installation Warning Use only trolley approved by SIARE Open the trolley package and tight the separated parts ba
14. cardiograph is a graphic representation of heart s bioelectric current which stimulates the heart muscle to contract These currents are also conducted to the surface of the body where they are measured via electrodes attached to the skin The low level signals from the electrodes are amplified and processed to provide the ECG signal 2 1 2 Respiration Respiration is measured through the ECG electrodes by means of importance Anemography As the chest change size and shape during inspiration and expiration the impedance between two ECG electrodes placed across the patients abdomen chest change respiration rate is calculated from this change in resistance 2 1 3 Temperature Temperatures are measured by meaning of the change in resistance of Thermistor located in temperature prob 2 1 4 Saturated Pulse Oximeter SpOo SpOo is determined using principles of spectrophotometry The SpO sensor consist two LEDs and a photo detector LEDs emit two specific wavelengths of red and infrared light Photo detector receives each light that is crossed through body tissue Wavelengths are absorbed selectively oxyhemoglobin and reduced hemoglobin We can calculate SpO from waveforms of two wavelengths The resulting measurement is the ratio of oxyhemoglobin to the total hemoglobin available for binding to oxygen SpO2 HbO2 HbO2 Hb x 100 Neptune Monitors 10 Service Manual 2 1 5 Non Invasive Blood Pressure NIBP The monito
15. d provides the systolic diastolic and mean pressure values to the HOST CPU The pressure transition of tube causes the dome sensor to change its value so this board amplifies this transition and send them to the HOST CPU 2 2 10 Co2 Board Co2 module provides capnogram and Etco2 Fico2 and AWRR to the HOST CPU 13 Service Manual Chapter 3 Technical specification of system 3 1 Block Diagram In the next pages block diagram and relation between different parts are illustrated The system is made from three parts 1 Back case 2 Modules 3 Front panel 3 1 1 NEPTUNE Block Diagram BATTERY ECG BOARD SE SPO2 BOARD POWER SX CONTROLLER BOARD SPC IBP BOARD SB NIBP BOARD KEY BORARD amp ROTARY CO2 BOARD SWITCH UO CONNECTOR CONNECTORS INVERTER Neptune Monitors 14 Service Manual 3 2 CONNECTION Diagram 3 2 1 BACK CASE CONNECTION Diagram 4 ECORDER SBR COM wooo NETWORK RUS 0 GA 0 TXNO D TN w Lm DW SPEAKER 1 VON 0 GG ES 0 WC 0 VOCN 0 17 m XD Hot KD 4 DIR Do w MZ gt 201 mi Gh 0 RS i eL wW
16. ilence pressing this key you can mute the alarm temporarily for 120 seconds Freeze pressing this key you can fix waveforms Pressing the key again waveforms restart Rec stop pressing this key you can run fixed recorder on system central pressing this key you will be back to previous menu or screen Start Stop pressing this key you can start or stop blood pressure measurement manually Power pressing this key you can turn on and off system Notice you should hold this key for 1 second Neptune Monitors Service Manual 1 3 4 General information of monitors In depend on system model there could be any of following modules fixed in the system ECG ECG waveform in three leads heart rate HR and pace detection and rejection RESP RESP waveform in two leads respiration rate RR TEMP Two channel T4 To temperature for two sensors SpO3 Pleth waveform and SpOo percentage and PR NIBP Pressure of systolic diastolic and mean Bpo waveforms and sys dia mean pressures for two channels Coo Capnogram and Fico2 Etco2 AWRR The patient parameters waveforms alarm message bed number date system status and error message can be displayed from the screen There are sockets at the left side of system These sockets are fixed for connection of patient probes ECGRESP r m 69 z 0 0 OF 5 amp GB o
17. ing avoid using of the ammoniac based and Acetone based cleaners Sterilization and disinfecting I s better that sterilization and disinfecting be performed when necessary Before sterilization and disinfecting clean monitor Recommended sterilization materials are Ethylate and Acetaldehyde Notice No part of the device can be subjected to immersion in liquid Notice Do not pour liquid on to the device during sterilization Neptune Monitors 26 Service Manual Chapter 7 Trouble shooting Repairing internal parts of the monitor must be only done by trained and authorized personnel of After Sale Service otherwise SIARE will not take any responsibility for any possible hazard to the patient and the monitor Troubleshooting guide is intended to help users to solve minor problems caused by incorrect use of the monitor or failure of accessories When you face any problem please be sure that you have followed all procedure mentioned in Correct Action column before you contact with After Sale Service Fault Symptoms Possible Cause Correct Action turned Call for service Charge the battery for more than 10 hours Check fuse existence Call for service Connect ECG cable correctly Check leads and electrodes Don t use old and faulty electrodes Call for service Loose connection of electrodes Check electrodes and leads Noisy ECG Earth connection failure Check earth waveform W
18. manual are only to describe how the system operates It is not permitted to service the printed circuit boards of system 1 2 Warnings 1 Bedside NEPTUNE patient monitors are intended for clinical monitoring application with operation only granted to appropriate medical staff 2 There could be hazard of electrical shock by the monitor casing 3 Do not touch patient table near by or the equipment during defibrillation 4 Alarm must be set up according to different situation of individual patient Make sure that audio sounds can be activated when alarm occurs 5 Every servicing or changing internal parts of system must be performed by qualified technicians of SIARE 6 These systems are not suitable for use in environments containing combined flammable anesthetic gases with air oxygen or nitrogen oxide Neptune Monitors 5 Service Manual 1 3 General information of system The NEPTUNE monitors are adaptable to adult and neonatal usage Depend on model of system modules are fixed in it and system can monitor vital signs as ECG SpO NIBP Dual TEMP Dual IBP and Coo It integrates parameters measured by modules and displays them on screen featuring compactness lightweight and portability Internal battery facilitates transportation of patient The internal battery can automatically be charged when connected to AC power In this case turning on or off the system does not have any effect on the process of
19. me Less than 10 seconds to acquire CO2 waveform data Less than 3 min to full operating specification Calibration Zero calibration and two user calibration Rise time 200 msec 10 to 90 Delay time 1 12 sec Patient application Neonatal to adult Flow rate 100 150 200ml min Flow rate accuracy 20 15 of set value Pressure compensation Automatic at power on and watertrap replacement BTPS compensation yes N2O O2 and Desflurane compensation yes ALARM Sources Limits Error messages All other Parameter Limits Alarm On Off Selectable for All Parameters Alert Blinking on Display Volume Selectable Audio Alarms Light indicator Neptune Monitors 32 Sources Trend Time Resolution List INPUT OUTPUT Network Connection GENERAL Safety Protection AC Power Internal Battery Power Plug Dimension Weight ENVIRONMENTAL Temperature Humidity Altitude Neptune Monitors Service Manual SPO2 NIBP T2 IBP1 IBP2 1 2 4 8 16 24 Hours 20 sec NIBP 100 Records Digital Serial RS422 Full Duplex 8 BED to One CENTRAL system 60601 1 Class Against Electro surgery and Defibrillator 200 240 VAG 50 60 Hz Sealed Lead Acid Rechargeable 12V 3 3AH Usage 45 min Full Charge 12 14 V 26 W x 21 H x 19 D Approx 7 Kg Operating 0 to 40 C Storage 20 to 60 0 90 96 Noncondensing 200 to 3000 m 33 Service Manual
20. nitors 11 Neptune Monitors Service Manual 2 2 1 HOST CPU Board This board consist of CPU memory for main program RAM for trend and system setup data A D for control of battery and D A for making analog output sound IC controller of display and hardware of serial connection with internal modules and external network Keyboard and display are connected to HOST CPU board On the other hand these boards communicate with modules for data transmitting 2 2 2 Indicator and Keyboard This board is fixed in front panel and all of keys are located on that HOST GPU controls condition of keys Indicator lights for power and battery charge status are fixed in this board In NEPTUNE model backlight inverter of display is fixed in this board 2 2 3 Display Display of NEPTUNE monitor is 12 15 color TFT 800 x 600 resolutions 2 2 4 Power board The power board converts 110 240 50 60 HZ to 14 6 V DC Power Input and output of this board are isolated above 4000Vac There isn t control for turn on off in this board If this board connect to AC Power It will be turn on otherwise It will be turn off 2 2 5 Power Control Board and Input Output This board is identified SPC SPC board will charge battery if power board is connected to AC power If SPC is powered by power board in addition to charging battery whether the system is on or off System will function by power board If system t
21. r measures non invasion blood pressure using oscillometric method to obtain the systolic diastolic and mean pressure Since the monitor controls the pressure within the cuff it is considered an automatic invasive blood pressure device The monitor measures the pressure within the cuff where the patients pulse is detected as small pressure variations oscillations The mean arterial pressure is identified as the largest oscillation The systolic and diastolic pressures are derived from the pulse amplitude data 2 1 6 Invasive Blood Pressure IBP The monitor measures invasive blood pressure using pressure sensors These sensors are located at outer end of tube The other end of tube is placed through human vessel to the site the pressure to be monitored via the liquid in the tube 2 1 7 Co2 Co2 module provides side stream method for CO2 measurement Capnography is the noninvasive measurement and graphic display of airway CO2 concentration as a function of time The resulting waveform is called a capnogram The evaluation of the capnogram is useful in the assessment of adequacy of carbon dioxide exchange in the lungs integrity of the patient s airway cardiopulmonary function and ventilator function 2 2 Modules There are following modules in system HOST CPU board Indicator and key board Display Power board Power control board and input output ECG RESP TEMP board SpO board NIBP board IBP board e Co2 Neptune Mo
22. rong filter Set filter mode correctly Others Call for service If PACE ON for patient without Pace marker ECG noise will be received as PACE Others Battery is discharged Fuse of Battery is faulty Others Unable to work with Battery ECG cable is not connected correctly Bad placement of leads and electrodes Others NO ECG waveform Spike on ECG waveform Turn Paced detect OFF ECG menu Check leads and ECG signal is noisy or isn t electrodes Unstable HR suitable Change lead to display the Others best ECG signal Call for service Electrodes are not connected Check leads and No RESP signal correctly electrodes Unstable waveform Patient movement during change RESP lead Unstable RR measurement Calm patient Others Call for service Neptune Monitors 27 Service Manual Fault Symptoms Possible Cause Correct Action Location of sensor isn t suitable Put the sensor in suitable place Strange T1 T2 Faulty sensor sensor Others Call for service SPOo probe is an unsuitable Change the place of place probe on patient Faulty sensor Change probe Others Call for service Patient movement during Calm patient Strange 2 measurement Change the place of value Probe is in an unsuitable place probe Others Call for service Incorrect air hose connection Check connection NIBP can no
23. sket star wheels handle together 4 2 c System installation on fixed stand or trolley System must be tight to trolley or fixed stand by 6 screws Recommended screws height is 10 mm and diameter is 4mm 4 of these screws are placed at back of the system and 2 of them under the system Warning Use only screws with appropriate height Warning Turn off system and unplug it before any installing operation Neptune Monitors 21 Service Manual Chapter 5 Test procedures 5 1 Test equipment ECG Simulator RESP Simulator Simulator SpO Simulator NIBP Simulator Leakage Tester Watertrap with sample line Co2 absorber ONO 5 2 Performance Test 5 2 1 Power on Test 1 Connect AC Power cable to AC Input socket of system and press power key until system turns on Notice press power key about 1 second After that suitable wave forms and parameters will be displayed in monitor In this case green power LED should be light 2 Indicator light of charging battery should be green or orange When internal battery is being charged indicator is orange While the battery is fully charged indicator will be green 3 Disconnect the system from AC power and turn it on In this case the battery symbol is displayed on screen to indicate the status of battery charge 4 Use all keys and enter to different menus to make sure all keys are operating correctly 5 2 2 ECG functions 1 Connec
24. t Air hose occluded or Check Air hose inflate tangled Change faulty accessory Air hose or cuff leakage Call for service Others No or Air hose is NIBP connected Ch h n ti Check cuff and air hose hn tsuccessfil Wrong cuff placement Change cuff placement strange NIBP Patient movement during Calm patient value measurement E Call for Service Others No zeroing before use No SPO5 waveform Noisy waveform Zeroing noisy source exists near by keep svstem and cable strange IBP value system or accessories 2 y away from noise source Noisy IBP signal faulty sensor change sensor Others Call for service CO2 System fault C ee Call for service 01 Communication Error CO2 System TES Call for service Fault 02 Host command with invalid data CO2 System e Call for service fault 03 Unprotected operation violation pedum CO2 System Call for service CO2 System Call for service CO2 System CO2sensor EEPROM Call for service fault 60 error in revision CO2 System 2 sensor EEPROM Call for service fault 65 error in read or write operation CO2 System 2 sensor EEPROM error in for service fault 66 CCTTT CRC code Neptune Monitors 28 Service Manual CO2 System 2 sensor temperature too Call for service fault 70 high CO2 System 2 sensor temperature too Call for service fault 71 low CO2 System Call for service CO
25. t ECG patient cable to its connector on the left side of system 2 Connect ECG simulator to ECG cable 3 Set monitor in lead II and gain x1 and Set simulator to 60 Bpm 4 Notice that ECG signal is displayed correctly and HR displayed by monitor is 60 2 Bpm 5 Disconnect the RA lead from the simulator The CHECK LEAD RA message should flash on display 6 Reconnect the RA lead and disconnect the LF lead from the simulator The CHECK LEAD LF message should flash on display 7 Reconnect the LF lead and disconnect the LA lead The CHECK LEADS message should flash on display Neptune Monitors 22 Service Manual 5 2 3 RESP function Set the RESP simulator to 15 Brpm Notice the monitor displays a normal RESP signal and calculates to 15 2 BRPM 5 2 4 SpO functions 1 Connect a SpOo finger sensor to the monitor from the inner side of finger clamp the red LED flashing should be seen and SpOo PROBE OFF message should be displayed on screen 2 Attach sensor to finger for few seconds addition to PLETH signal SpOo measurement value and pulse will be displayed If you want to have HR from pulse waveform you should disconnect ECG cable from system 3 Connect the finger clamp to the simulator and set the Spo2 simulator to 98 and pulse rate to 60 Bpm In this case monitor displays PLETH signal SPO and pulse carefully 5 2 5 NIBP functions 1 Connect one end of air hose to the monitor and the other end to
26. t for 5 minutes and try again ZERO OK will be displayed 3 Connect sample line to filter and breath through it Capnogram and other parameters will be displayed 4 Occlude the sample line or exhaust and wait for CO2 INLET OCCLUDE or CO2 EXHAUST OCCLUDE error massages 5 2 7 Alarm functions 1 Connect ECG cable to the monitor Connect their leads to off simulator HR 0 After about 10 seconds Systolic message should be displayed and alarm should be activated 2 Press silence key the alarm sound should be silenced and SILENCED message should be displayed on monitor 3 After 2 minutes the alarm should be activated again 5 2 8 Leakage test 1 Connect the patient monitor power cable ground cable and ECG cable to the SAFETEY ANALYSER 2 Measure the chassis leakage current to ground with normal polarity The leakage current should be less than 500 uA 3 Measure the ECG lead leakage current to ground with normal and reverse polarity These leakage currents should be less than 10 uA 4 Repeat previous test in single fault condition The leakage current should be less than 50 uA 5 Measure the leakage current between all leads with normal and reveres polarity The leakage currents should be less than 10 uA Neptune Monitors 24 Service Manual 6 Measure the isolation leakage current in normal and single fault condition The leakage current should be less than 50 4 3 calibration System
27. urns on without AC Power connection System will use battery for functioning If DC Input at the back of system connects to SPC board it will be able to drive system System turn on off be performed by means of electronic switches isolation of central network connection and amplifier of speaker are other parts of SPC board 12 Neptune Monitors Service Manual 2 2 6 RESP and TEMP Board This board is identified SE This board is able to measure one channel ECG one channel RESP and two channels TEMP The signals are transferred by means of ECG cable and temperature probes then are amplified and after the conversion these signals enter to micro controller Filtering and processing of signals are performed by hardware and soft ware These parameters waveforms are provided ECG waveform HR RESP waveform RR measuring of T4 and To and status All of these data are transmitted to HOST CPU board Some control commands are received from HOST CPU such as ECG lead gain pace condition kind of filter Application part and enclosure are isolated from AC Power by Transformer and Optocoupler 2 2 7 SpO Board This board reports percentage of SpOo and pulse rate value to the HOST CPU 2 2 8 NIBP Board NIBP board provides the systolic diastolic and mean pressure values to the HOST CPU This board inflates a cuff and measures the blood pressure by using non invasive method 2 2 9 IBP Board IBP boar
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