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SERVICE MANUAL - Frank`s Hospital Workshop

1. 6 1 Measuring and Test 6 2 Maintenance Check Items and 6 3 E EUH 6 3 MPU dm E 6 3 M 6 4 doc 6 4 LEE 6 4 Service Manual OPV 1500K CONTENTS Section 7 Section 8 C 4 Replaceable Parts List 7C 1 Replaceable Paris List i oos sabes i beso 7 2 Connector Pin Assignment creer 8C 1 8 1 CN101 ECG RESP 5 8 1 CN401 for quick deflation valve valve 8 1 CN402 for slow deflation valve valve2 8 1 CNA403 not used aa ie and tovs 8 1 SPO en aen ulna 8 2 CN902 NOU USER itt eter treni ane cedens tup e Dex tes ase rede p 8 2 for POWER iii eet 8 2 EE 8 3 for power supply unit iai 8 3 CN for rechargeable battery 8 3 GNS for INPUT 8 3 for NIBP PUMP a eee 8
2. 3 4 3 5 Optional Transmitter Check iuuat Rae iai E 3 6 Optional Recorder Check etr rei tie iin t o ett ne puse 3 7 GHOGK C 3 8 EE 3 8 Safety Device nennen essen 3 9 e 3 10 Deflation Test Quick deflation 88 3 11 Step Deflation 3 12 5 e EE 3 14 ECG and Impedance Method Respiration 3 15 UP EE 3 16 Board Unit Description 4 1 Block Dia grai ES 4 1 Input Board ononon a ieee E cee eee 4 2 NIBP 5 4 2 loea TT H 4 2 5 dE 4 2 RESP BlOCK dame 4 2 Control c 4 2 Isolated Power Supply BlOCK t rre edi tet tache lei eevee 4 2 moii 4 3 USER IP BO ard m 4 3 PRINT ER GN Board TE 4 3 Service Manual OPV 1500K CONTENTS CONTROL seri 4 3 4 3 Section 5 Disassembly and Asse
3. 0012 9 6 1 4905 Ov Y indino AG Ajddns aayy 9 YOYO m 19jnq 4a dnoo ojoud H3MOd jeufis a pun Jepooue p1028H Kay 1981058 8 106 Key dOLS LYVLS d8lN y e1njejeduio jeuueu 100 ov volg vog peeds Jejdnoo reuba Nef pd pue 10 Ajddns 1051095 5
4. 8 3 CNS Or CONTROL POATA 8 4 USER IF EET 8 5 CNIT fOr CONTROL board ee 8 5 22 4 8 5 CN101 for CONTROL 8 5 CNT02 for recorder Unit dt te e Lee ete re teh ene rre cut dte ien metals 8 6 CN103 for recorder 8 6 CONTROL Board iiL ee HUS 8 7 CNI Alarm pole SOCKOL tete pire rel et ueteres 8 7 8 7 orta tec credere egi b cia 8 8 for PRINTER CN ina aiii 8 9 CNS ZB SOCKOL tuit 8 9 for USER IF DOAN 8 10 ONE MOTUS s 8 10 M ae 8 10 CNO exists E ine 8 10 Service Manual OPV 1500K 8C 1 8 CONNECTOR PIN ASSIGNMENT INPUT Board CN101 ECG RESP socket Pin No Signal Name NC R NC L NC F NC R_RESP NC F_RESP CONN_OFF EG EG EG EG EG EG EG R_EX F_EX COND NM BY Ww ira lan NI DI NY BY 2 N CN401 for quick defla
5. E dede 1 23 a 1 24 Standard 1 24 1 24 Gable Connectlons 1 25 Service Manual OPV 1500K 1C 1 Introduction Service Manual OPV 1500K 1 GENERAL This service manual provides useful information to qualified service personnel to understand troubleshoot service maintain and repair the Life Scope N OPV 1500 Series Hardwire Monitor referred to as monitor in this service manual All replaceable parts or units of this monitor and its optional units are clearly listed with exploded illustrations to help you locate the parts quickly The Maintenance section in this service manual only describes the maintenance that should be performed by qualified service personnel The Maintenance section in the operator s manual describes the maintenance that can be performed by the user The information in the operator s manual is primarily for the user However it is important for service personnel to thoroughly read the operator s manual and service manual before starting to troubleshoot service maintain or repair this monitor This is because service personnel needs to understand the operation of the monitor in order to effectively use the information in the service manual 1 1 1 GENERAL General Infor
6. CN4 for PRINTER CN Pin No Signal Name bo a rd Al clock A2 strobe A3 D in 4 OEI 5 OE2 A6 OE3 7 8 2 9 4 10 5 Collector Opto 12 GND Al3 Anode Opto 14 OE6 15 D out 16 17 18 19 B A20 GND B2 GND B3 GND B4 GND B5 GND B6 GND B7 GND B8 GND B9 GND B10 GND Bll Vch B12 Vch B13 Vch B14 Vch B15 Vch B16 Vch B17 Vch B18 Vch B19 Vcc B20 DRsw CN5 ZB socket Pin No Signal Name 1 XRSPW 2 GND 3 CNFM 4 5V 5 ZB_RST 6 INIT 7 COM_RXD 8 COM_TXD Service Manual OPV 1500K 8 9 8 CONNECTOR PIN ASSIGNMENT CN6 for USER IF board CN7 not used not used for speaker 8 10 Pin No Signal SIN A NINE rele lan 6 5V 15V AL3_Y AL3_R AL2_Y AL2_R ALI Y ALIR ALARM key ATU key INTVL key JOG key JOG_R JOG_L W S_key MODE key PW_SW_key SW_PW_key KETUATU_LED CHRG_LED DC_LED AC_LED DENGEN_LED GND Signal Name XRESET_S FEW_S MD2_S TXD_S RXD_S 3 3V GND SCK2 SW_PW PW SW Signal Name FRQ GND Signal Name SIG Service Manual OPV 1500K es Manufacturer NIHON KOHDEN CORPORATION 1 31 4 Nishiochiai Shinjuku ku Tokyo 161 8560 Japan Phone 81 3 5996 8036 Fax 81 3 5996 8100
7. gov Add Jo 0101 JOSUAS einsseid Ndl J 1 porezu 091 14 14 idno A 0 anea aynjosqy epinip fouenbe C31 p1eoq 41 d3sn euin Asayyeq 1OH LNOO untur esind ued Jou gt S 9 ASt 1 peo aqoid 2095 e geo pue 993 4 1 Service Manual OPV 1500K 4 Board Unit Description INPUT Board NIBP block SpO block ECG block RESP block Control block Isolated power supply block 4 2 This board c
8. nae knee rea sete Faso aai iii Conventions Used in this Manual and Warnings Cautions and V Explanations of the Symbols in this Manual and Instrument vi mee EET vi OM SCHON ENEMIES vii iplis EE vii clo E4 Ec 7 1C 1 1 1 General Information on 1 2 Service Policy Service Parts and Patient Safety Checks 1 4 SENICE PONCY DUE 1 4 DEVICE E EET 1 4 Patient Safety ne dena ren haga ec ta eL rage ea rue 1 5 Maintenance Equipments and 1 5 General Safety Informati h oit Lente rece ri buta pu 1 6 EN CE LU 1 6 agvtceaed vaso edis oA 1 7 WSINGIKG O12 er 1 8 Using ZB 900PK 1 8 Using YL 001 P Alarm Pole tre Le eet ees 1 8 a 1 9 EGG 1 10 Respiration Monitoring e
9. PRINTER CN board CN101 CN102 USER IF board CN101 LCD unit Recorder unit option About wire harnesses B C E L P and refer to Section 7 Replaceable Parts List Service Manual OPV 1500K 1 25 Section 2 Troubleshooting 2 1 Instrument 2 2 Vital Sign amp eter tate E e ete e aei eri to Fea Deeds 2 4 etn cae oe 2 4 at on E 2 6 SPO TUR ES 2 7 Miu 2 9 Service Manual OPV 1500K 2C 1 2 TROUBLESHOOTING General Use the troubleshooting tables to locate identify and solve a problem in the instrument The problems are divided into general problem areas Each category has its own troubleshooting table for fast and easy troubleshooting Instrument Problems Vital Sign Problems e ECG Respiration SpO NIBP If these sections do not solve the problem contact your Nihon Kohden representative NOTE Before contacting your Nihon Kohden representative for technical support please provide additional detailed information on the problem This will allow your Nihon Kohden representative to provide your with the best support How to
10. BS 169 5 3008 815 021 6469 9016 021 6486 7218 JUR SENSIS JURTDESILTISEP 3 HAM 601 8815 010 6804 9531 010 6804 7366 CADABRE 371 375 8 te PRCA 2516 6315 020 8777 9108 020 8778 1882 224 WHALE ARIAS 20 8 6815 024 2340 2565 024 2383 2557 RRS MAP ABH 25 8 KIAM 420 028 773 6236 028 773 6236 NIHON KOHDEN AMERICA INC 90 Icon Street Foothill Ranch CA 92610 USA Phone 1 949 580 1555 Fax 1 949 580 1550 European Representative NIHON KOHDEN EUROPE GmbH Raiffeisenstrasse 10 D 61191 Rosbach Germany Phone 49 6003 827 0 Fax 49 6003 827 599 KOHDEN ITALIA S r l Via San Tomaso 78 1 24121 Bergamo Italy Phone 39 035 219 543 Fax 39 035 232 546 NIHON KOHDEN IBERICA S L C Ulises 75A E 28043 Madrid Spain Phone 34 917 161 080 Fax 34913004676 NIHON KOHDEN SINGAPORE PTE LTD 70 Shenton Way 14 05 Marina House Singapore 079118 Phone 65 6224 6700 Fax 65 6224 6216 The model and serial number of your instrument are identified on the rear or bottom of the unit Write the model and serial number in the spaces provided below Whenever you call your distributor concerning this instrument mention these two pieces of information for quick and accurate service Model Your Distributor Serial number PRINTED IN JAPAN
11. INPUT MEASUREMENT ECG INST INPUT MEASUREMENT RESP INST CARRIER WAVE ON OFF RETURN MAX MIN P P ECG 0 000 0 000 0 000 RESP 0 000 0 000 0 000 ECG CONNECTION ECGLEADS SEL ECG LEADS 5 ON ImpRESP LEADS ON CARRIER OFF Service Manual OPV 1500K 3 15 3 DIAGNOSTIC CHECK SpO2 Check 3 16 This check is factory use only EXAMINATION RETURN SpO2 CONNECTION SHIELD LINE AMP SATURATION SIGNAL SATURATION PHTO DIODE SHORT AC LINE FREQUENCY PHTO DIODE OUT SUM PROBE ID VOLTAGE R CATHODE VOLTAGE IR CATHODE VOLTAGE OK OVER OVER ABNORMAL 50 0 Hz 0 000 V 0 000 V 0 000 V 0 000 V Service Manual OPV 1500K Section 4 Board Unit Description BIOCK 4 1 Boardi e ER 4 2 NIBP IBIOCK 4 2 SpO2 BlOCI 4 2 4 2 RESP IBIOCK qa 4 2 Control 4 2 Isolated Power Supply BIOCK i ttr t er t rea 4 2 4 3 USER BO ard M 43 PRINTER sro 4 3 CONTROL Board eel cee ere idee Pr ente enda 4 3 POWER SUPPIY 4 3 Service Manual OPV 1500K 4C 1 4 Board Unit Description Block Diagram 9006 92 e 7 A jun Japio0ay
12. Problem Possible Cause Criteria Action The heart rate is The QRS amplitude is less than 5 mm Change the sensitivity or ECG lead so inaccurate that the QRS amplitude is 5 mm or more The patient has no implanted cardiac pacemaker but narrow QRS width such as neonatal ECG Set the PACING DETECT to OFF on the ECG ETC window One of the following has something wrong or a failure Electrode Electrode lead ECGconnection cord INPUT board Check them If one of them has a failure replace it with a new one AC interference on the ECG waveform An electric blanket is used Use another warming method or cover the electric blanket with a shield sheet The AC outlet connected to the noise source is used for the instrument Use a different AC outlet which is not connected to the noise source The ground facility is poor Check the ground facility AC LINE NOISE FILTER on the SYSTEM SETUP screen is set to OFF Set AC LINE NOISE FILTER to ON One of the following has something wrong or a failure Electrode Electrode lead connection cord Check them If one of them has a failure replace it with a new one Electrode lead ECG connection cord INPUT board INPUT board Large baseline One of the following has something wrong or a failure Check them If one of them has a failure wandering Electrode replace it with a new one Service Manual OP
13. 1 11 SPO I 1 12 NBP 1 14 dts 1 15 1 16 i hee E 1 20 Front RII I LT 1 20 Power ones 1 20 ae 1 21 Fight Side Panel 1 21 Iridium TL cweatesasvoccnesss 1 22 Board Uni LO Caton 1 23 Sr 1 24 Standard Components peces nea Ep etre 1 24 c 1 24 Cable Connections ERR 1 25 Service Manual 1500 C 1 CONTENTS Section 2 Section 3 Section 4 C 2 TIOUDICSHOOUING 2C 1 GSMS 2 1 Instrument Problem e 2 2 Vital Sign Problem S tex 2 4 2 4 FACS PIFAU ON sso DET 2 6 DDO 2 7 NIB 2 9 Diagnostic eco nta 3C 1 MOOC O IEEE 3 1 Calling Up the MAINTENANCE MODE Screen 3 1 Display em E EN 3 2 Seen Sr 3 3 Memory
14. Service Manual OPV 1500K 3C 1 3 DIAGNOSTIC CHECK Introduction The instrument has a check program which manually diagnoses the instrument This check program can be executed at any time All errors detected at any time in monitor mode are stored in an error history table that you can view The manual check system setup system initialization and error history are accessed from the MAINTENANCE MODE screen Calling Up the MAINTENANCE MODE Screen 1 Press the power key on the front panel while pressing the SILENCE ALARM key on the front panel The MAINTENANCE MODE screen appears as shown below 1 MANUAL CHECK is selected MANUAL CHECK SYSTEM SETUP 3 SYSTEM INITIALIZE 4 HISTORY INPUT VER CONTROL VER DATA ROM VER 2 Press the rotary dial center key on the front panel The MANUAL CHECK screen appears 1 DISPLAY 2 SOUND 3 MEMORY 4 KEY 5 ZB INTERFACE 6 RECORDER NIBP 8 ImpRESP 9 SpO2 RETURN Service Manual OPV 1500K 3 1 3 DIAGNOSTIC CHECK Display Check 3 2 Turn the rotary dial to select one of the checks and press the rotary dial center key to perform the selected check Display check Sound check Memory check Key check Optional transmitter check Optional recorder check NIBP check ECG and impedance method respiration checks SpO2 check Turn the rotary dial to select DISPLAY on the MANUAL CHECK screen and press the ro
15. Valves INPUT board Check them If one of them has a failure replace it with a new one The cuff does not inflate but the cuff pressure on the screen rapidly increases One of the following has something wrong or a failure Cuff Air hose Air tube in the instrument INPUT board Check them If one of them has a failure replace it with a new one Cannot measure NIBP One of the following has something wrong or a failure Cuff Air hose Air tube in the instrument pump Valves INPUT board Check them If one of them has a failure replace it with a new one The NIBP data is quite different from the stethoscope NIBP measurement The patient has a shock or arrhythmia Use the stethoscope method or palpation method if possible The patient has body movement or shivering Check the patient and remove the cause or use the stethscope method or palpation method if possible The cuff or air hose is bent or squeezed Remove the cause The cuff is loosely wrapped around the upper arm Tightly wrap the cuff around the upper arm The INPUT board has something wrong or a failure if this problem frequently occurs If the board has a failure replace it with a new one Auto measurement does not start even when the time interval has passed The INPUT board has something wrong or a failure If the board has a failure replace it with a new
16. NIBP pump Valves INPUT board HIGH CUFF PRESS The cuff or air hose is bent or squeezed Remove the cause If this message frequently appears on the screen one Check them If one of them has a failure of the following has something wrong or a failure replace it with a new one Cuff Air hose Air tubes in the instrument pump Valves INPUT board CUFF OCCLUSION The cuff or air hose is bent or squeezed Remove the cause 2 10 Service Manual 1500 2 TROUBLESHOOTING CUFF OCCLUSION If this message frequently appears on the screen one of the following has something wrong or a failure Cuff Air hose Air tubes in the instrument NIBP pump Valves INPUT board Check them If one of them has a failure replace it with a new one AIR LEAK The connection between the air hose and instrument is incomplete Disconnect the air hose from the instrument and connect the air hose to the instrument again The connection between the air hose and cuff is incomplete Disconnect the air hose from the cuff and connect the air hose to the cuff again If this message frequently appears on the screen one of the following has something wrong or a failure Cuff Air hose Air tubes in the instrument NIBP pump Valves INPUT board Check them If one of them has a failure replace it with a new one SYSTOLIC OVER The patient has arrhythmia
17. 2 AIR LEAK TEST MANUAL Measures the pressure difference between the two cuff pressures at 30 seconds after and at 90 seconds after 300 mmHg pressure is applied to the 700 cc dummy cuff 3 AIR LEAK TEST AUTOMATIC Measures the pressure difference between the two cuff pressures at 60 seconds after and at 120 seconds after 300 mmHg pressure is automatically applied to the 700 cc dummy cuff CUFF TYPE NORM Indicates the type of the air hose connected to the instrument ADULT CHIL or NEONATAL The air hose type is recognized by the measurement circuit CUFF TYPE SAFE Indicates the type of the air hose connected to the instrument ADULT CHIL or NEONATAL The air hose type isrecognized by the safety circuit Service Manual OPV 1500K 3 DIAGNOSTIC CHECK CUFF PRESS NORM Indicates the cuff pressure detected at the measurement circuit ELAPSED Indicates the elapsed time after this test starts AIR LEAK Indicates the air leakage pressure 3 Turn the rotary dial to select 3 AIR LEAK TEST AUTOMATIC on the screen and press the rotary dial center key to start the test 4 Check that AIR LEAK in the STATUS column on the screen shows 8 mmHg or less 5 To return to the previous screen turn the rotary dial to select RETURN and press the rotary dial center key ECG and Impedance Method Respiration Checks These checks are factory use only ECG LEAD SELECT INPUT MEASUREMENT
18. 3 GN5 for CONTROL DOANA Fuere ser ener te epar vas 8 4 asa 8 5 CN101 for CONTROL ii itae foci i curre eta Eod inde 8 5 PRINTER GN 2 os but fece qur Rode ute 8 5 CNT101 for CONTROL board rire netter nri recetas 8 5 CNT102 fot recorder UMIT sensns tenere rentre s i e e tt ead 8 6 CN103 for recorder 8 6 CONTROL Boal ES 8 7 GNT Alarm pole 8 7 CN2 for LGD tni aie Gans ER eren e as debate 8 7 ror POWER boatd ahead 8 8 for PRINTER CN board 8 9 CNS ZB 0 ea erectae pica nune tede eats 8 9 GNG for USER IF coi ner ett 8 10 MOU USEC 8 10 CNS EMILIO ac ae 8 10 GING TOF Speake enrus 8 10 Service Manual OPV 1500K GENERAL HANDLING PRECAUTIONS This device is intended for use only by qualified medical personnel Use only Nihon Kohden approved products with this device Use of non approved products or in non approved manner may affect the performance specifications of the device This includes but is not limited
19. 300 mmHg pressure is applied to the 700 cc dummy cuff CUFF TYPE NORM Indicates the type of the air hose connected to the instrument ADULT CHIL or NEONATAL The air hose type is recognized by the measurement circuit CUFF TYPE SAFE Indicates the type of the air hose connected to the instrument ADULT CHIL or NEONATAL The air hose type is recognized by the safety circuit CUFF PRESS NORM Indicates the cuff pressure detected at the measurement circuit DEFLATION TIME Indicates the deflation time which it takes for the cuff pressure to reach 15 mmHg after the valve 1 or valve 2 opens 3 11 3 DIAGNOSTIC CHECK Step Deflation Test 3 12 6 Apply 300 mmHg pressure to the dummy cuff with the hand bulb pump turn the rotary dial to select 1 DEFLATION TIME MEASURE V1 and press the rotary dial center key to start the test Check that DEFLATION TIME in the STATUS column on the screen shows 6 seconds or less Turn the rotary dial to select RETURN and press the rotary dial center key The previous NIBP screen appears Enter the Deflation Test screen again by selecting DEFLATION TEST with the rotary dial and pressing the rotary dial center key NOTE When either deflation test is completed exit the Deflation Test screen by selecting RETURN with the rotary dial and pressing the rotary dial center key Then enter the Deflation Test screen again Otherwise the applied 300 mm
20. 900P transmitter optional H 03 Battery box Installs the battery Equipotential grounding terminal pack optional For an equipotential grounding lead AC SOURCE power cord socket Connects the AC power cord Service Manual OPV 1500K 1 GENERAL Board Unit Location View POWER board Power supply unit CONTROL board PRINTER CN board NIBP pump Recorder unit LCD unit INPUT board USER IF board Service Manual OPV 1500K 1 23 1 GENERAL Composition Standard Components Chassis Power supply block INPUT board POWER board USER IF board PRINTER CN board CONTROL board Refer to Section 7 Replaceable Parts List Options RG 101W Recorder unit YL 001P Alarm pole ZB 900PK Transmitter ZS 900PK Transmitter KC 012P Cart NKB 302 Battery pack 1 24 Service Manual OPV 1500K Cable Connections 0 ECG Respiration CN1001 CN701 SpO2 I CN901 __ CN902 NIBP m CN401 To Electromagnetic valve To Electromagnetic valve chee Not used CN403 INPUT board To NIBP pump Not used Not used Not used Not used To Transmitter To Alarm pole POWER board CN101 CN103 CN7 CN8 CN2 CONTROL board CN5 1 GENERAL To AC outlet Power supply unit Battery pack
21. General 0 c 11 General Information on Serving rente rne eae neu 1 2 Service Policy Service Parts and Patient Safety Checks 1 4 SENICE PONCY 14 PANS 14 Patient Safety 1 5 Maintenance Equipments and 1 5 General Safety Information essere nnne 1 6 General c EE 1 6 1 7 Using 0 1 8 Using ZB 900PK 1 8 Using YL 001P Alarm Pole nennen nnns 1 8 rrr 1 9 Gi MONON 1 10 Respiration 1 11 cem M 1 12 t 1 14 Maintenant c EE 1 15 SPCCIICAT ONS e EP 1 16 Panel Description 1 20 MER 1 20 Power Panel ys dcc eer d tcd a RR les 1 20 1 21 Right Side uarie 1 21 Roar 1 22 B ard Unit Localon VIGW
22. If one of them has a failure Probe replace it with a new one SpO connection cord INPUT board SpO WEAK PULSE The probe is attached too tightly and is obstructing the Reattach the probe to the patient blood circulation One of the following has something wrong or a failure Check them If one of them has a failure Probe replace it with a new one SpO connection cord INPUT board SpO SEARCHING The probe is not attached to the appropriate site of the Attach the probe to a site 6 to 14 mm PULSE patient thick One of the following has something wrong or a failure Check them If one of them has a failure Probe replace it with a new one SpO connection cord INPUT board SpO CANNOT The probe is not properly attached to the patient Attach the probe to the patient properly DETECT PULSE One of the following has something wrong or a failure Check them If one of them has a failure Probe replace it with a new one SpO connection cord INPUT board SpO MODULE The INPUT board has something wrong or a failure If the board has a failure replace it with a FAILURE new one Service Manual OPV 1500K 2 7 2 TROUBLESHOOTING Problem Possible Cause Criteria Action Unstable SpO2 value The probe size is inappropriate Use the correct size probe The probe is attached to the same limb that is used for NIBP or IBP measurement Attach the probe to the other limb One o
23. Nihon Kohden Corporation to assure maximum performance from your monitor Service Manual OPV 1500K Patient Safety Checks Maintenance Equipments and Tools Service Manual OPV 1500K 1 GENERAL Periodic maintenance procedures and diagnostic check procedures are provided in this manual to ensure that the monitor is operating in accordance with its design and production specifications To verify that the monitor is working in a safe manner with regard to patient safety patient safety checks should be performed on the monitor before it is first installed periodically after installation and after any repair is made on the monitor For patient safety checks perform the following checks as described in the IEC60601 1 Medical electrical equipment Part 1 General requirements for safety Protective earth resistance check Earth leakage current check Enclosure leakage current check Patient leakage current check Withstanding voltage check Test equipment When repairing or calibrating the monitor the following test equipment is required Oscilloscope 2 channels or more for input signal 50 mV to 5 V input range 1 10 attenuating probe and 100 MHz or more frequency response characteristic must be provided Digital voltmeter standard type An oscilloscope can be used instead of the digital voltmeter 1 5 1 GENERAL General Safety Information General 1 6 WARNING Never
24. RETURN CUFF TYPE NORM ADULT CHILD CUFF TYPE SAFE ADULT CHILD CUFF PRESS NORM 0 0 mmHg CUFF PRESS SAFE 0 0 mmHg CUFF TYPE NORM Indicates the type of the air hose connected to the instrument ADULT CHIL or NEONATAL The air hose type is recognized by the measurement circuit CUFF TYPE SAFE Indicates the type of the air hose connected to the instrument ADULT CHIL or NEONATAL The air hose type is recognized by the safety circuit CUFF PRESS NORM Indicates the cuff pressure detected at the measurement circuit CUFF PRESS SAFE Indicates the cuff pressure detected at the safety circuit 3 8 Service Manual OPV 1500K Safety Device Test Service Manual OPV 1500K 3 DIAGNOSTIC CHECK 3 Apply 100 mmHg 200 mmHg and 300 mmHg to the dummy cuff with the hand bulb pump and compare the cuff pressures on the screen with the pressure reading from the mercury manometer The tolerance as follows 100 mmHg at the mercury manometer 3 mmHg on the screen 200 mmHg at the mercury manometer 4 mmHg on the screen 300 mmHg at the mercury manometer 4 mmHg on the screen 4 To return to the previous screen turn the rotary dial to select RETURN and press the rotary dial center key 1 Connect a mercury manometer and hand bulb pump to the 700 cc dummy cuff using a Y branch joint Connect the dummy cuff to the instrument with an adult air hose 2 Turn the rotary dial to select SAFETY
25. a discrepancy in a test the test result is shown as NG in the STATUS column on the screen 4 return to the previous screen turn the rotary dial to select RETURN and press the rotary dial center key 3 4 Service Manual OPV 1500K 3 DIAGNOSTIC CHECK Key Check 1 Turn the rotary dial to select KEY on the MANUAL CHECK screen and press the rotary dial center key The following screen appears ALARM SILENCE SILENCE ALARM key NIBP INTERVAL NIBP INTERVAL key NIBP START STOP NIBP START STOP key DISPLAY SELECT Screen select key RECORD START STOP Record key DECISION Rotary dial center key ENCODER Rotary dial 2 Press each key on the front panel and check that the square box near the key name in the STATUS column on the screen is highlighted while the key is pressed When you turn the rotary dial the three digit display near ENCODER on the screen changes from 999 to 999 3 To return to the previous screen press the rotary dial center key for one second Service Manual OPV 1500K 3 5 3 DIAGNOSTIC CHECK Optional Transmitter Check If an optional ZB 900P ZS 900PK transmitter is not used with the instrument skip this check 1 Tum the rotary dial to select ZB INTERFACE on the MANUAL CHECK screen and press the rotary dial center key The following screen appears 1 INTERFACE TEST Checks the connection between the instrument and ZB 900P ZS 900PK transmitter and checks the communic
26. condition and check that the AX 300T displays OK The other probes Connect the probe to the AX 300T and put the Replace the probe with a new one if provided check board between the light the AX 300T shows an error emitter and photo detector and hold this condition and check that the AX 300T shows SpO2 data Connect the AX 300T to the instrument and Replace the INPUT board with a new check that the data is displayed within the one if an error occurs following tolerance to the AX 300T setting 9790 2 8090 2 70 3 Pulse rate Connect the AX 300T to the instrument and Replace the INPUT board with a new one check that the pulse rate is displayed within if an error occurs the following tolerance to the AX 300T setting 60 5 120 8 Service Manual OPV 1500K 6 5 6 MAINTENANCE Alarm Item Check Procedure Action Alarm function Check that ALARM LEVEL OF APNEA Replace the CONTROL board or USER IF is set to CRISIS at the ALARM Setup of board with a new one if an error occurs the SYSTEM SETUP screen and let the instrument generate the apnea alarm and check that the red LED of the alarm indicator blinks Make the instrument generate one of the following alarms and check that the yellow LED of the alarm indicator blinks NIBP systolic pressure Heart rate or pulse rate SpO data Respiration rate NOTE If changing the alarm setting for this check return the se
27. has a Electrode failure replace it with a new one Electrode lead connection cord INPUT board CHECK ELECTRODE The ECG connection cord is not firmly connected to the Firmly connect the ECG connection instrument cord to the instrument The ECG connection cord is not firmly connected to the electrode lead Firmly connect the ECG connection cord to the electrode lead There is a poor contact between the electrode lead and electrode Clean the electrode lead clip and firmly connect it to the electrode One of the following has something wrong or a failure Electrode Electrode lead connection cord INPUT board Check them If one of them has a failure replace it with a new one Pacing pulses are indicated on the screen Pacing spike is detected When the patient does not have an implanted cardiac pacemaker set the When PACING PACING DETECT to OFF on the DETECT is set to ON ECG ETC window on the ECG ETC An electric blanket is used Use another warming method or cover window the electric blanket with a shield sheet ECG of a neonate is monitored Set the PACING DETECT to OFF on the ECG ETC window One of the following has something wrong or a failure Check them If one of them has a Electrode failure replace it with a new one Electrode lead connection cord INPUT board 2 4 Service Manual 1500 2 TROUBLESHOOTING
28. leak and explode Do not connect the battery pack to an AC outlet or lighter socket in a car The battery may explode Do not immerse the battery pack in water or seawater The battery will rust and may heat up Never use a battery pack which is damaged discolored or has leakage A damaged battery may explode if used Do not leave the battery for more than two years unused The battery may leak CAUTION e Do not expose the battery pack to direct sunlight or leave in a high temperature place The lifetime of the battery pack may be shortened or the substance inside the battery pack may leak The battery pack must be replaced by qualified service personnel e Keep the battery pack away from children e Before disposing of the battery check with your local solid waste officials for details in your area for recycling options or proper disposal The battery is recyclable At the end of its useful life under various state and local laws it may be illegal to dispose of this battery into the municipal waste stream 1 GENERAL ECG Monitoring WARNING Interaction Between Minute Ventilation Rate Adaptive Pacemakers and Cardiac Monitoring and Diagnostic Equipment The bioelectric impedance measurement sensor of a minute ventilation rate adaptive implantable pacemaker may be affected by cardiac monitoring and diagnostic equipment which is connected to the same patient If this occurs the pacemaker may pace at its max
29. one Buzz sounds when the NIBP START STOP key is pressed and cannot measure NIBP The cuff pressure does not decrease below the specified pressure level or the NIBP measurement starts during the pause Normal operation When the cuff pressure decreases below the specified level after the previous NIBP measurement press the NIBP START STOP key for the next measurement The INPUT board has something wrong or a failure if this problem frequently occurs If the board has a failure replace it with a new one 2 12 Service Manual OPV 1500K Section 3 Diagnostic Check Dc E 3 1 Calling Up the MAINTENANCE MODE Screen 3 1 Display Chek JE 3 2 Sound CHECK 3 3 Memory CHECK ce 3 4 Key EE 3 5 Optional Transmitter 3 6 Optional Recorder Check ii 3 7 NIBP enr etn alee dee ees 3 8 Mes ET 3 8 Safety DEVICE M Rm 3 9 m 3 10 Deflation Test Quick deflation 180 3 11 Step Deflation ainni eiaa EENES Eaa 3 12 Air Loak ES 3 14 ECG and Impedance Method Respiration Checks sss 3 15 SpO2 Check EE 3 16
30. patients take extreme care and change the measurement site more frequently according to symptoms and degree A patient with a fever A patient with peripheral circulation insufficiency Neonate or low birth weight infant with delicate skin To avoid poor circulation do not wrap the tape too tight Check the blood circulation condition by observing the skin color and congestion at the skin peripheral to the probe attachment site Even for short term monitoring there may be burn or pressure necrosis from poor blood circulation especially on neonates or low birth weight infants whose skin is delicate Accurate measurement cannot be performed on a site with poor peripheral circulation When not monitoring SpO disconnect the SpO connection cord from the bedside monitor Otherwise noise from the probe sensor may interfere and incorrect data is displayed on the screen Do not use the probe during MRI examination because it may cause skinburn on the probe attachment area For details follow the MRI operator s manual Service Manual OPV 1500K Service Manual OPV 1500K 1 GENERAL CAUTION e Turn off the power of cell telephones small wireless devices and other devices which produce strong electromagnetic interference Otherwise the waveforms and measurements are affected by such interference and the displayed data may be incorrect Only use the specified probes Otherwise SpO cannot be monitored properly Do not use a disas
31. screen and perform the check item and check that there is no error Refer to Optional Transmitter Check in Section 3 of this manual 6 6 Service Manual OPV 1500K Safety Perform the following patient safety check after repairing the instrument 6 MAINTENANCE Item Check Procedure Action Protective earth impedance refer to IEC 60601 1 18 f Check that the impedance between the protective earth contact and any accessible metal part does not exceed 0 1 Remove the cause if the impedance exceeds 0 1 Q Earth leakage current refer to IEC 60601 1 19 Check that the earth leakage current does not exceed 0 5 mArms under normal condition and 1 0 mArms under each single fault condition Remove the cause if the earth leakage current exceeds one of the maximum values Enclosure leakage current refer to IEC Check that the enclosure leakage current does not exceed 0 1 mArms under normal Remove the cause if the enclosure leakage current 60601 1 19 condition and 0 5 mArms under each single exceeds one of the fault condition maximum values Patient Patient Check that the patient leakage current to Remove the cause if the leakage leakage type CF or defibrillation proof type CF patient leakage current current current applied part does not exceed 0 01 mArms exceeds one of the refer to under normal condition and 0 05 mArms maximum values IEC under
32. shock e Avoid locations where the monitor and system may be sprinkled with water or chemical solutions Otherwise the monitor and system may be damaged e When not using the KC 012P cart make sure that the monitor is 1 7 1 GENERAL Using KC 012P Cart Using ZB 900PK ZS 900PK Transmitter Using YL 001P Alarm Pole 1 8 placed and fastened so that it does not tip over e When the monitor power is turned on check that one bong sounds and the red and orange alarm indicators blink once to show that the alarm functions properly Also read the warning and caution in Selecting a Suitable Location in Section 2 CAUTION e Use only the KC 012P cart for the OPV 1500K bedside monitor If another cart is used it may tip over or the monitor may fall off e When the monitor is mounted on the cart confirm that the lever on the holder completely springs up If the monitor is not locked it may fall off CAUTION Heart rate may differ between the monitor and the telemetry system or central monitor due to the difference on the displaying ECG waveform CAUTION e Firmly connect the alarm pole connector to the alarm pole socket on the monitor Otherwise the lamp may not blink and an alarm may not be indicated Do not carry the monitor by holding the alarm pole The alarm pole may detach from the monitor and the monitor may fall off Service Manual OPV 1500K Battery Service Manual
33. the cuff pressure when 20 mmHg pressure is applied to the 250 cc dummy cuff and the valve 1 opens for 120 ms 4 VALVE 2 OPEN 100 ms Measures the variation of the cuff pressure when 20 mmHg pressure is applied to the 70 cc dummy cuff and the valve 2 opens for 100 ms CUFF TYPE NORM Indicates the type of the air hose connected to the instrument ADULT CHIL or NEONATAL The air hose type is recognized by the measurement circuit CUFF TYPE SAFE Indicates the type of the air hose connected to the instrument ADULT CHIL or NEONATAL The air hose type is recognized by the safety circuit CUFF PRESS NORM Indicates the cuff pressure detected at the measurement circuit DEFLATION PRESS Indicates the pressure variation when the valve 1 or valve 2 opens for the specified time Apply 250 mmHg pressure to the dummy cuff with the hand bulb pump turn the rotary dial to select 1 VALVE 1 OPEN 50 ms and press the rotary dial center key to start the test Check that DEFLATION PRESS in the STATUS column on the screen shows 7 to 23 mmHg Apply 20 mmHg pressure to the dummy cuff with the hand bulb pump turn the rotary dial to select 3 VALVE 1 OPEN 120 ms and press the rotary dial center key to start the test Check that DEFLATION PRESS in the STATUS column on the screen shows 2 to 8 mmHg Replace the 250 cc dummy cuff with a 70 cc dummy cuff and replace the adult air hose with a neonatal air hose A
34. the stethoscope method or palpation method if possible The patient has body movement or shivering Check the patient and remove the cause or use the stethoscope method or palpation method if possible The cuff or air hose is bent or squeezed Remove the cause If this message frequently appears on the screen one Check them If one of them has a failure of the following has something wrong or a failure replace it with a new one Cuff Air hose Air tube in the instrument NIBP pump Valves INPUT board NIBP HARDWARE The INPUT board has a failure Replace the board with a new one ERROR NIBP WEAK PULSE The cuff is loosely wrapped around the upper arm or Tightly wrap the cuff around the upper arm cuff size is not appropriate If the cuff size is not appropriate use an appropriate one Service Manual OPV 1500K 2 9 2 TROUBLESHOOTING If this message frequently appears on the screen one of the following has something wrong or a failure Cuff Air hose Air tube in the instrument INPUT board NIBP NO PULSE The patient has a shock or arrhythmia Use the stethoscope method or palpation method if possible The patient has body movement or shivering Check the patient and remove the cause or use the stethoscope method or palpation method if possible The cuff or air hose is bent or squeezed Remove the cause The cuff is loose
35. time the SAFETY DEVICE STATUS returns to INACTIVE 4 Apply 300 to 315 mmHg pressure to the dummy cuff with the hand bulb pump 5 Check that CUFF PRESS NORM in the STATUS column on the screen and the mercury manometer shows 0 mmHg 6 Check that the time of SAFETY DEVICE ACTION in the STATUS column on the screen shows 15 seconds or less 7 To return to the previous screen turn the rotary dial to select RETURN and press the rotary dial center key Inflation Test 1 Connect the 700cc dummy cuff to the instrument with an adult air hose Since the other tube of the dummy cuff must be completely closed pinch the tube with a pinch clamp 2 Turn the rotary dial to select INFLATION TEST on the NIBP screen and press the rotary dial center key The following screen appears INFLATION TIME MEASURE 200 mmHg RETURN CUFF TYPE NORM ADULT CHILD CUFF TYPE SAFE ADULT CHILD CUFF PRESS NORM 0 0 mmHg INFLATION TIME 0 05 1 INFLATION TIME MEASURE 200 mmHg Measures the inflation time when the cuff pressure is automatically inflated to 200 mmHg CUFF TYPE NORM Indicates the type of the air hose connected to the instrument ADULT CHIL or NEONATAL The air hose type is recognized by the measurement circuit CUFF TYPE SAFE Indicates the type of the air hose connected to the instrument ADULT CHIL or NEONATAL The air hose type is recognized by the safety circuit
36. to batteries recording paper pens extension cables electrode leads input boxes and AC power Please read these precautions thoroughly before attempting to operate the instrument 1 To safely and effectively use the instrument its operation must be fully understood 2 When installing or storing the instrument take the following precautions 1 Avoid moisture or contact with water extreme atmospheric pressure excessive humidity and temperatures poorly ventilated areas and dust saline or sulphuric air 2 Place the instrument on an even level floor Avoid vibration and mechanical shock even during transport 3 Avoid placing in an area where chemicals are stored or where there is danger of gas leakage 4 The power line source to be applied to the instrument must correspond in frequency and voltage to product specifications and have sufficient current capacity 5 Choose a room where a proper grounding facility is available 3 Before Operation 1 2 Check that the instrument is grounded properly Check that the instrument is in perfect operating order 3 Check that all cords are connected properly 4 Pay extra attention when the instrument is combined with other instruments to avoid misdiagnosis or other problems 3 6 Check that battery level is acceptable and battery condition is good when using battery operated models wm All circuitry used for direct patient connection must be doubly checked
37. to avoid possible burn to the patient 10 When the instrument is used with a defibrillator make sure that the instrument is protected against defibrillator discharge If not remove patient cables and or transducers from the instrument to avoid possible damage WARRANTY POLICY Nihon Kohden Corporation NKC shall warrant its products against all defects in materials and workmanship for one year from the date of delivery However consumable materials such as recording paper ink stylus and battery are excluded from the warranty NKC or its authorized agents will repair or replace any products which prove to be defective during the warranty period provided these products are used as prescribed by the operating instructions given in the operator s and service manuals No other party is authorized to make any warranty or assume liability for NKC s products NKC will not recognize any other warranty either implied or in writing In addition service technical modification or any other product change performed by someone other than NKC or its authorized agents without prior consent of NKC may be cause for voiding this warranty Defective products or parts must be returned to NKC or its authorized agents along with an explanation of the failure Shipping costs must be pre paid This warranty does not apply to products that have been modified disassembled reinstalled or repaired without Nihon Kohden approval or which have been subjecte
38. use the troubleshooting table 1 Determine which troubleshooting table to use 2 In the Problem or Screen Message column find the trouble item that matches the problem 3 Do the action recommended in the Action column 4 If the problem is not solved do the action for the next possible cause of criteria 5 If none of the actions solve the problem contact your Nihon Kohden representative Service Manual OPV 1500K 2 1 2 TROUBLESHOOTING Instrument Problems Problem Possible Cause Criteria Action The monitoring screen does not appear when you turn on the instrument in AC operation The line voltage is unstable or not output Contact the facility manager The power cord has a failure Replace the power cord with a new one The AC power lamp The AC inlet fuse is blown Remove the cause of the blown fuse then replace the fuse with a new one on the front panel is not The AC inlet socket power supply unit wire harness has a failure Replace the wire harness with a new one lit The power supply unit has a failure Replace the unit with a new one The POWER board has a failure The CONTROL board has a failure The USER IF board has a failure Replace the board with a new one The power supply unit POWER board wire harness has a failure Replace the wire harness with a new one The AC power lamp on the front The POW
39. voltmeter If the electrode lead wire or connection cord wire has a break replace it with a new one Visually check that there is no dirt at the connector pins and electrode contact parts If the connector pins or electrode contact part is dirty clean them ECG waveform Contact the AX 800P to the instrument through the electrode lead and connection cord and check that the waveform is displayed properly Replace the INPUT board with a new one if an error occurs Heart rate Connect the AX 800P to the instrument through the electrode lead and connection cord and check that the heart rate is displayed properly Replace the INPUT board with a new one if an error occurs Service Manual OPV 1500K RESP 6 MAINTENANCE Item Check Procedure Action Respiration waveform Connect the AX 800P to the instrument through the electrode lead and connection cord and check that the waveform is displayed properly Replace the INPUT board with a new one if an error occurs Respiration rate Connect the AX 800P to the instrument through the electrode lead and connection cord and check that the respiration rate is displayed properly Replace the INPUT board with a new one if an error occurs NIBP ltem Check Procedure Action Pressure sensors Refer to Examination at NIBP Check in Section 3 of this manual Check that there is no error Replace
40. 1 Measuring and Test Equipment roa cds 6 2 Maintenance Check Items and 6 3 cire EE 6 3 are ulerenjeis am 6 3 POW ise 6 4 GC fc PES 6 4 BICI 6 4 Rm 6 4 BAE X 6 4 ize 6 5 deste hed eae 6 5 cj 6 5 PEPIN EI 6 6 ello EE 6 6 Optional Recorder Built the Instrument 6 6 Optional Transmitter Attached to the Instrument 6 6 TE mS 6 7 Installation Condition 6 7 Service Manual 1500 6C 1 6 MAINTENANCE To Be Replaced Periodically We recommend the periodic replacement of the following components according to the expected life span NK Code No Description Expected Life Span 481809 Lithium battery for clock Approx 6 years or more operation backup X064 Battery pack NKB 302 Once a year Required Tools Long bladed Phillips screwdriver insulated with magnetized tip Long bladed flat screwdriver insulated with magnetized tip e Anti static bench mat connected to appropriate ground e Anti static wrist strap c
41. 4 During Operation 1 Both the instrument and the patient must receive continual careful attention 2 Turn power off or remove electrodes and or transducers when necessary to assure the patient s safety 3 Avoid direct contact between the instrument housing and the patient 5 Shutdown After Use 1 Turn power off with all controls returned to their original positions 2 Remove the cords gently do not use force to remove them 3 Clean the instrument together with all accessories for their next use 6 The instrument must receive expert professional attention for maintenance and repairs When the instrument is not functioning properly it should be clearly marked to avoid operation while it is out of order 7 instrument must not be altered or modified in any way 8 Maintenance and Inspection 1 The instrument and parts must undergo regular maintenance inspection at least every 6 months 2 If stored for extended periods without being used make sure prior to operation that the instrument is in perfect operating condition Service Manual OPV 1500K i 3 Technical information such as parts list descriptions calibration instructions or other information is available for qualified user technical personnel upon request from your Nihon Kohden distributor 9 When the instrument is used with an electrosurgical instrument pay careful attention to the application and or location of electrodes and or transducers
42. CUFF PRESS NORM Indicates the cuff pressure detected at the measurement circuit INFLATION TIME Indicates the inflation time which it takes for the cuff pressure to reach 200 mmHg from 0 mmHg 3 10 Service Manual OPV 1500K Deflation Test Quick deflation test Service Manual OPV 1500K j 3 DIAGNOSTIC CHECK Check that the 1 INFLATION TIME MEASURE 200 mmHg is selected in yellow and press the rotary dial center key to start the test Check that INFLATION TIME in the STATUS column on the screen shows 7 seconds or less To return to the previous screen turn the rotary dial to select RETURN and press the rotary dial center key Connect a mercury manometer and hand bulb pump to the 700 cc dummy cuff using a Y branch joint Connect the dummy cuff to the instrument with an adult air hose Turn the rotary dial to select DEFLATION TEST on the NIBP screen and press the rotary dial center key The following screen appears DEFLATION TIME MEASURE V1 2 DEFLATION TIME MEASURE V2 RETURN CUFF TYPE NORM ADULT CHILD CUFF TYPE SAFE ADULT CHILD CUFF PRESS NORM 0 0 mmHg DEFLATION TIME 0 0s 1 DEFLATION TIME MEASURE V1 Measures the time when the valve 1 is open and the cuff pressure reaches 15 mmHg after 300 mmHg pressure is applied to the 700 cc dummy cuff 2 DEFLATION TIME MEASURE V2 Measures the time when the valve 2 is open and the cuff pressure reaches 15 mmHg after
43. DEVICE TEST on the NIBP screen and press the rotary dial center key The following screen appears 1 OVERP PRESS RETURN CUFF TYPE NORM ADULT CHILD CUFF TYPE SAFE ADULT CHILD CUFF PRESS NORM 0 0 mmHg SAFETY DEVICE ACTION 0 0 mmHg SAFETY DEVICE ACTION 0 0s SAFETY DEVICE STATUS ACTIVE 1 OVER PRESS Checks the safety circuit operation when 300 to 315 mmHg pressure is applied to the 700 cc dummy cuff CUFF TYPE NORM Indicates the type of the air hose connected to the instrument ADULT CHIL or NEONATAL The air hose type is recognized by the measurement circuit CUFF TYPE SAFE Indicates the type of the air hose connected to the instrument ADULT CHIL or NEONATAL The air hose type is recognized by the safety circuit CUFF PRESS NORM Indicates the cuff pressure detected at the measurement circuit SAFETY DEVICE ACTION Indicates the cuff pressure which works the safety circuit SAFETY DEVICE ACTION Indicates the time when the safety circuit operates SAFETY DEVICE STATUS Indicates the status of the safety circuit operation INACTIVE or ACTIVE 3 9 3 DIAGNOSTIC CHECK 3 Check that 1 OVER PRESS is selected in yellow and press the rotary dial center key to start the test NOTE When this test starts the SAFETY DEVICE STATUS in the STATUS column on the screen changes to ACTIVE If 300 to 315 mmHg pressure is not applied to the dummy cuff within 15 seconds from the start
44. ER board has a failure The CONTROL board has a failure The USER IF board has a failure Replace the board with a new one panel is lit The USER IF board CONTROL board wire harness has a failure Replace the wire harness with a new one The power supply unit has a failure Replace the unit with a new one The monitoring Connect the The battery The battery has a failure Replace the battery with a new one screen does not powercord power and The POWER board battery Replace the wire harness with a appear when plugged battery charging terminal wire harness has a new one you turn the into an AC lamps are failure The POWER board has a failure Replace the board with a new one attery instrument or off operation then turn on the instrument and wait a The battery The battery is fully discharged Charge the battery under this few charging lamp condition and check the battery minutes is slowly operation after the battery is fully blinking charged The POWER board has a failure Replace the board with a new one The battery The POWER board has a failure Replace the board with a new one charging lamp is lit Battery The battery has The battery lifetime has gone Replace the battery with a new one operation time is shorter than the been used for one year or more The POWER board has a failure Replace the board with a
45. Hg pressure is not held before the second test starts Apply 300 mmHg pressure to the dummy cuff with the hand bulb pump turn the rotary dial to select 2 DEFLATION TIME MEASURE V2 and press the rotary dial center key to start the test Check that DEFLATION TIME in the STATUS column on the screen shows 14 seconds or less To return to the previous screen turn the rotary dial to select RETURN and press the rotary dial center key Connect a mercury manometer and hand bulb pump to the 250 cc dummy cuff using a Y branch joint Connect the dummy cuff to the instrument with an adult air hose Turn the rotary dial to select STEP DEFLATION TEST on the NIBP screen and press the rotary dial center key The following screen appears VALVE 1 OPEN 50 ms VALVE 2 OPEN 50 ms VALVE 1 OPEN 120 ms VALVE 2 OPEN 100 ms RETURN CUFF TYPE NORM ADULT CHILD CUFF TYPE SAFE ADULT CHILD CUFF PRESS NORM 0 0 mmHg DEFLATION PRESS 0 0 mmHg Service Manual OPV 1500K Service Manual OPV 1500K 3 DIAGNOSTIC CHECK 1 VALVE 1 OPEN 50 ms Measures the variation of the cuff pressure when 250 mmHg pressure is applied to the 250 cc dummy cuff and the valve 1 opens for 50 ms 2 VALVE 2 OPEN 50 ms Measures the variation of the cuff pressure when 250 mmHg pressure is applied to the 70 cc dummy cuff and the valve 2 opens for 50 ms 3 VALVE 1 OPEN 120 ms Measures the variation of
46. OPV 1500K 1 GENERAL WARNING Keep the battery pack away from fire Otherwise the battery pack may explode Do not heat the battery pack The battery pack may explode Never short circuit the and terminals on the battery pack with wire or store the battery pack with metals such as necklace or hair pins The battery pack may short circuit causing the substance inside the battery to leak or explode Never disassemble or modify the battery pack Never damage or directly solder the sheath tube The battery pack short circuits the electrolyte comes out and the battery pack explodes Do not subject the battery pack to a strong mechanical shock The battery may leak or explode Do not use a battery which is damaged such as from falling There is a gas discharge valve inside the battery and if this valve is damaged the gas cannot be discharged causing the battery to explode Only use the battery pack on the specified instrument If the battery is used on an unspecified instrument large current may flow causing the battery to explode If the battery pack is damaged and the substance inside the battery alkaline liquid contacts the eyes or skin wash immediately and thoroughly with water and see your physician Never rub your eyes otherwise you may lose your eyesight The battery pack has and polarity Make sure that the battery is installed with the correct polarity direction Otherwise the substance inside the battery may
47. Remove the 6 screws which secure the insulation sheet and NIBP socket holder to the INPUT board 4 Disconnect the wire harness from the other side of the INPUT board Remove the INPUT board from the chassis block Service Manual OPV 1500K 5 3 5 DISASSEMBLY AND ASSEMBLY Removing the NIBP Pump 5 Remove the 2 screws which secure the NIBP pump to the chassis block Disconnect the wire harness of the NIBP pump from the POWER board Remove the NIBP pump from the chassis block Removing the POWER Board CONTROL Board 6 Disconnect the 5 wire harnesses from the POWER board and disconnect the and PRINTER CN Board wire harness from the CONTROL board 7 Remove the following 3 screws From the chassis block remove the POWER board CONTROL board and PRINTER CN board including the optional recorder unit if it is built in the instrument If there is no recorder unit go to step 10 5 4 Service Manual OPV 1500K 5 DISASSEMBLY AND ASSEMBLY Removing the Recorder Unit Option 8 Disconnect the 2 wire harnesses from the PRINTER CN board CAUTION in Assembling the Instrument The two screws circled in the left picture are 6 mm long The screw indicated by the arrow is 8 mm long Removing the POWER Board 10 Remove the 4 screws which secure the POWER board to the CONTROL and PRINTER CN boards Remove the POWER board from the CONTROL and PRINTER CN boards Removing the CONTROL Board 11 Remo
48. SERVICE MANUAL OPV 1500K Life Scope N BEDSIDE MONITOR OPV 1500 0634 001869B NIHON KOHDEN OPV 1500K Life Scope N BEDSIDE MONITOR OPV 1500 0634 001869B euumno Model 1500 Manual code no 0634 001869B Reader Comment Card We welcome your comments about this manual Your comments and suggestions help us improve our manuals Please circle the number for each of the following statements corresponding to your evaluation and add comments in the space provided Fax or send your completed comment card to Fax 81 3 5996 8100 International Div Sales Promotion Section Nihon Kohden Corp 1 31 4 Nishiochiai Shinjuku ku Tokyo 161 8560 Japan Strongly Agree Neutral Disagree Strongly Agree Disagree This manual is organized 1 2 3 4 5 can find the information want 1 2 3 4 5 The information is accurate 1 2 3 4 5 can understand the instructions 1 2 3 4 5 The illustrations are appropriate and helpful 1 2 3 4 5 The manual length is appropriate 1 2 3 4 5 Comments Thank you for your cooperation We appreciate it very much Name Occupation Position Hospital Company Address Phone CONTENTS Contents GENERAL HANDLING PRECAUTIONS sessi i rer thu ie ti its vee AEA E A Peer ENA ii EMG RELATED CAUTION iare pacte trien
49. Use the stethoscope method or palpation method if possible The patient has body movement or shivering Check the patient and remove the cause or use the stethoscope method or palpation method if possible The cuff or air hose is bent or squeezed Remove the cause If this message frequently appears on the screen one of the following has something wrong or a failure Cuff Air hose Air tube in the instrument NIBP pump Valves INPUT board Check them If one of them has a failure replace it with a new one NIBP MEAS TIME OUT The patient has arrhythmia Use the stethoscope method or palpation method if possible The patient has body movement or shivering Check the patient and remove the cause or use the stethoscope method or palpation method if possible The cuff or air hose is bent or squeezed Remove the cause If this message frequently appears on the screen one of the following has something wrong or a failure Cuff Air hose Air tube in the instrument NIBP pump Valves INPUT board Check them If one of them has a failure replace it with a new one Service Manual OPV 1500K 2 11 2 TROUBLESHOOTING Problem Possible Cause Criteria Action Cuff inflation pressure is less than 10 mmHg One of the following has something wrong or a failure Cuff Air hose Air tube in the instrument pump
50. V 1500K 2 5 Respiration 2 TROUBLESHOOTING Screen Message Possible Cause Criteria Action RESP OFF Respiration monitoring is set to OFF Set the RESP SENS to one of the settings on the ECG ETC window when the respiration monitoring is necessary RESP NOISE One of the following has something wrong or a failure Check them If one of them has a failure Electrode replace it with a new one Electrode lead connection cord INPUT board CHECK ELECTRODE One of the following has something wrong or a failure Check them If one of them has a failure Electrode replace it with a new one Electrode lead connection cord INPUT board APNEA The respiration waveform is displayed and has a small Increase the sensitivity by setting the peak and valley RESP SENS on the ECG ETC window If the respiration waveform is flat at the maximum Check them If one of them has a failure sensitivity one of the following has something wrong or a replace it with a new one failure Electrode Electrode lead connection cord INPUT board Problem Possible Cause Criteria Action The respiration rate is not counted The respiration waveform is displayed and has a small peak and valley Increase the sensitivity by setting the RESP SENS on the ECG ETC window If the respiration waveform is flat at the maximum sensitivity one of the following has something wrong or a fail
51. an elevated pacing rate For more information see the FDA web site http www fda gov cdrh safety html iv Service Manual OPV 1500K Conventions Used in this Manual and Instrument Warnings Cautions and Notes Warnings cautions and notes are used in this manual to alert or signal the reader to specific information WARNING A warning alerts the user to possible injury or death associated with the use or misuse of the instrument CAUTION A caution alerts the user to possible injury or problems with the instrument associated with its use or misuse such as instrument malfunction instrument failure damage to the instrument or damage to other property NOTE A note provides specific information in the form of recommendations prerequirements alternative methods or supplemental information Service Manual OPV 1500K lt Explanations of the Symbols in this Manual and Instrument The following symbols found in this manual instrument bear the respective descriptions as given On panels Symbol Description Symbol Description Monitor power on Home monitoring screen Monitor power off Setting screen AC operation front panel Alternating current rear panel Record start stop for optional recorder unit Battery operation Defibrillation proof type CF applied part Battery charging Defibrillation proof type BF applied part Alarm silence Attentio
52. ard or unit of the monitor be sure to put it in a conductive bag Never use an aluminum bag to transport a board or unit Also never use a styrene foam or plastic bag which generates static electricity to wrap the board or unit of the monitor Handling the monitor Because the outside surface of the monitor is made of resin the outside surface of the monitor is easily damaged So when handling the monitor remove clutter from around the monitor and be careful to not damage the monitor or get it dirty Because most of the boards in the monitor are multilayer boards with surface mount electrical devices SMD a special tool is required to remove and solder the electrical devices on it To avoid damaging other electrical components do not remove and solder SMD components yourself Measuring and Test Equipment Maintain the accuracy of the measuring and test equipment by checking and calibrating it according to the check and calibration procedures Battery Pack Before disposing of the battery check with your local solid waste officials for details in your area for recycling options or proper disposal The battery is recyclable At the end of its useful life under various state and local laws it may be illegal to dispose of this battery into the municipal waste stream 1 3 1 GENERAL Service Policy Service Parts and Patient Safety Checks Service Policy Service Parts 1 4 Our technical service policy for this m
53. arious supply voltages for the isolation circuit Service Manual OPV 1500K 4 Board Unit Description POWER Board This board consists of the following blocks which includes the DC to DC converter from the power supply unit or rechargeable battery AC or battery operation selector and battery charger DC to DC conversion block Converts the 15 V DC from the power supply unit or the battery voltage to 5 V 6 V and 12 V DC AC or battery operation selector block Switches to the battery operation when the line voltage is not supplied to the instrument When the line voltage is supplied to the instrument in the battery operation this selector switches to the AC operation Battery charger block Charges the battery nickel metal hydride battery pack in quick charge mode and trickle charge mode USER IF Board This board has the keys rotary encoder and LEDs Refer to Front Panel and Power Panel in Section Panel Description PRINTER CN Board This board has the following components Three connectors to connect to the CONTROL board and optional recorder unit High capacitance capacitors to smooth the supply voltage for the optional recorder unit CONTROL Board This board controls the following functions Serial data communication with the INPUT board Display of waveform and alphanumeric data LED indicators and optional recorder unit Keys and rotary encoder Speaker sound Optional t
54. as a failure Replace the wire harness with a new one The INPUT board has a failure Replace the board with a new one The optional recorder unit built in the instrument does not record the waveform and numeric data on The waveform and numeric data are displayed on the screen The recorder unit has a failure Replace the recorder unit with a new one The CONTROL board has a failure The POWER board has a failure The PRINTER CN board has a failure Replace the board with a new one The waveform and numeric data are not The CONTROL board USER IF board wire harness has a failure Replace the wire harness with a new the paper displayed on the The USER IF board has a failure screen The CONTROL board has a failure Replace the board with a new one The recorded Check that the specified recording paper is used Use the specified paper if not used data such as waveform and grid has a faint part on the paper or there are missing dots on the recorded data Clean the thermal array head of the recorder unit Replace the thermal array head with a new one The recorder unit has a failure Replace the unit with a new one The CONTROL board has a failure The PRINTER CN board has a failure The POWER board has a failure Replace the board with a new one Straight line is recorded at the same position on The recorder unit has a failure Replac
55. ation between the instrument and ZB 900P ZS 900PK transmitter 2 Connect an optional ZB 900P ZS 900PK transmitter to the instrument and check that INTERFACE TEST is indicated in yellow 3 Press the rotary dial center key and check that ZB CONNECTION and INTERFACE TEST in the STATUS column on the screen are shown as OK If there is an error the test result is shown as NG 4 To return to the previous screen turn the rotary dial to select RETURN and press the rotary dial center key 3 6 Service Manual OPV 1500K 3 DIAGNOSTIC CHECK Optional Recorder Check If an optional RG 101W recorder unit is not used with the instrument skip this check 1 Turn the rotary dial to select RECORDER on the MANUAL CHECK screen and press the rotary dial center key The following screen appears 1 TEST RECORD 1 Records a triangle wave at 25 0 mm sec paper speed 3 peaks are recorded on the paper The peak to peak length along the time scale is 25 mm 2 TEST RECORD 2 Records a triangle wave at 12 5 mm sec paper speed 6 peaks are recorded on the paper The peak to peak length along the time scale is 12 5 mm 3 TEST RECORD 3 Records a triangle wave at 6 25 mm sec paper speed 12 peaks are recorded on the paper The peak to peak length along the time scale is 6 25 mm 4 LIST RECORD Records the test pattern list 2 Turn the rotary dial to select a test and press the rotary dial center key to start the t
56. ay sensitivity Sensitivity control Pacing spike display Alarm items Upper limit range Lower limit range Provided for 2 min 0 12 to 300 beats min 0 1 to 2 0 ms 2 to 700 mV ECG input protected against 400 J 500 mV 5mV 25 at 10 Hz 0 5 to 20 Hz 50 or 60 Hz I IL M 10 mm mV 5 at X1 sensitivity x1 4 x1 2 x1 x2 x4 or AUTO Available 20 to 300 beats min in 5 beats min steps OFF OFF 15 to 295 beats min in 5 beats min steps Respiration Transthoracic impedance pneumography Respiration counter counting range Waveform display Display sensitivity Sensitivity control Alarm Upper limit range Lower limit range Apnea time 0 to 150 breaths min 10 mm Q x1 4 x1 2 x1 x2 x4 2 to 150 breaths min in 2 breaths min steps OFF OFF 0 to 148 breaths min in 2 steps OFF 5 to 40 s in 5 s steps Service Manual OPV 1500K Spo Measuring range Pulse rate counting range SpO accuracy Waveform sensitivity Alarm Upper limit range Lower limit range Non Invasive Blood pressure NIBP Measuring range Accuracy Safety Cuff inflation maximum pressure Cuff inflation time limiter Measurement mode Alarm Upper limit range Lower limit range Trendgraph Trend parameters Trend display width Vital Signs List Parameters Maximum number of files in list Recording optional RG 101W Recording method Recording width Paper speed Recor
57. ce Manual OPV 1500K 8 3 8 CONNECTOR PIN ASSIGNMENT 5 for CONTROL board 8 4 Pin No Signal Name Al 6V A2 6V A3 6V A4 6V 5 6V 6V 7 6V 8 6V A9 6VGND 10 6VGND All 6VGND 12 6VGND A13 6VGND 14 6VGND 15 6VGND A16 6VGND 17 GND 18 GND 19 GND A20 GND Bl 15V B2 H_RXD B3 L_RXD B4 L_TXD B5 H TXD B6 BATT SYSO B7 SYSI B8 PW SW B9 PW KEY B10 PW_ON Bll 5V Service Manual OPV 1500K 8 CONNECTOR PIN ASSIGNMENT USER IF Board CN101 for CONTROL board Pin No Signal Name Pin No Signal Name PinNo Signal Name 9 ALARM key 17 PW SW Key 10 ATU key 18 SW_PW_key 11 INTVL key 19 KETUATU_LED 12 JOG key 20 CHRG_LED 13 JOGR 21 DC LED 14 JOGL 22 AC LED 5 15 WIS key 23 DENGEN LED 16 MODEkey 24 GND PRINTER CN Board Pin No Signal Name Al clock CN101 for CONTROL A2 strobe board A3 4 OE1 AS OE2 A6 OE3 7 8 2 9 4 10 5 Collector Opto 12 Opto GND A13 Anode Opto Al4 OE6 15 D out 16 17 18 19 B A20 GND B2 GND B3 GND B4 GND 5 GND GND B7 GND B8 GND B9 GND B10 GND Bll Vch B12 Vch B13 Vch B14 Vch B15 Vch B16 Vch B17 Vch B18 Vch B19 20 DRsw Service Manual OPV 1500K 8 5 8 CONNECTOR PIN ASSIGNMENT CN102 for recorder un
58. d shield sheet 31 6112 015534 INPUT board shield cover 32 6142 002857 Main chassis 33 6114 124778 Battery protection sheet 4 34 6114 124769 Battery protection sheet 3 35 6114 124332 Battery protection sheet 2 36 6114 124243 Battery protection sheet 1 37 6114 120497 Speaker holder 38 6112 015659 INPUT board insulation sheet 39 624905 Spacer bolt 40 6114 124199 Hexagonal spacer bolt These parts are included in the SC 044R power supply block These parts are included in the UR 3661 INPUT board 7 2 Service Manual OPV 1500K 7 REPLACEABLE PARTS LIST Service Manual OPV 1500K 7 3 7 REPLACEABLE PARTS LIST Index NK Code No Description 41 6112 015525 Recorder unit guide 42 6114 123797 Shield cover 43 6114 122753 Handle protection sheet 44 6111 006724 Rear enclosure 45 6113 042458 Socket cover 46 6114 120479 Battery cover 47 6114 122566 Battery cusion A 618502 LCD unit B 627305 CONTROL board LCD unit wire harness 618672 CONTROL board USER IF board wire harness D UR 3663 USER IF board E 618699 POWER board power supply unit wire harness 550013 Power supply unit G 627323 AC inlet socket protective ground terminal wire harness H 633557 AC inlet socket power supply unit wire harness I 580676 AC inlet socket with fuse holder 104522 Fuse 2 0 A 250 V K 620874 NIBP pump L 618663 POWER board INPUT board wire harness M UR 3661 INPUT board N 622364 Solenoid valve 1 O 611394 Soleno
59. d to neglect or accident damage due to accident fire lightning vandalism water or other casualty improper installation or application or on which the original identification marks have been removed In the USA and Canada other warranty policies may apply ii Service Manual OPV 1500K EMC RELATED CAUTION This equipment and or system complies with the International Standard IEC60601 1 2 for electromagnetic compatibility for medical electrical equipment and or system However an electromagnetic environment that exceeds the limits or levels stipulated in the IEC60601 1 2 can cause harmful interference to the equipment and or system or cause the equipment and or system to fail to perform its intended function or degrade its intended performance Therefore during the operation of the equipment and or system if there is any undesired deviation from its intended operational performance you must avoid identify and resolve the adverse electromagnetic effect before continuing to use the equipment and or system The following describes some common interference sources and remedial actions 1 Strong electromagnetic interference from a nearby emitter source such as an authorized radio station or cellular phone Install the equipment and or system at another location if it is interfered with by an emitter source such as an authorized radio station Keep the emitter source such as cellular phone away from the equipment and or system 2 Rad
60. ding sensitivity Power Requirement Line voltage Line frequency Battery pack NKB 302 Power consumption Service Manual OPV 1500K 1 GENERAL 0 to 10096 30 to 300 beats min Monitor only 1 digits 80 lt SpO lt 100 2 digits 50 lt SpO lt 80 With probe 2 digits 80 SpO 100 3 digits 7096 SpO 80 x1 8 x1 4 x1 2 x1 x2 x4 x8 or AUTO 51 to 100 SpO in 1 SpO steps OFF OFF 50 to 99 SpO in 1 SpO steps 0 to 300 mmHg 3 mmHg 0 mmHg lt NIBP 200 mmHg 4 mmHg 200 mmHg lt NIBP lt 300 mmHg Adult 300 to 330 mmHg Neonate 150 to 165 mmHg Adult lt 180 s Neonates lt 90 s Manual STAT continuous Automatic periodic PWTT 15 to 260 mmHg in 5 mmHg steps OFF OFF 10 to 255 mmHg in 5 mmHg steps NIBP systolic diastolic and mean heart rate pulse rate SpO respiration rate 30min 1 2 4 8 or 24h Listed time NIBP systolic diastolic and mean heart rate or pulse rate SpO respiration rate 400 Thermal array recording 248 mm 25 12 5 6 25 mm s 10 mm mV at SENS x 1 AC 100 to 240 V 10 50 or 60 Hz DC 9 6 V AC 85 VA maximum DC 40 W maximum 1 GENERAL Environment Operating environment Temperature 10 to 40 C Humidity 30 to 85 RH non condensing Atmospheric pressure 70 to 106 kPa Storage environment Temperature 20 to 65 C 15 to 55 C Recording paper Humidity 10 to 95 RH non condensing Atmospheric p
61. e water or liquid can get into or fall on the monitor If liquid accidentally gets into the monitor or the monitor accidentally drops into liquid disassemble the monitor clean it with clean water and dry it completely After reassembling do the patient safety checks and function performance checks to verify that there is nothing wrong If there is something wrong with the monitor contact your Nihon Kohden representative for repair 1 2 Service Manual OPV 1500K Service Manual OPV 1500K 1 GENERAL Environmental Safeguards Depending on the local laws in your community it may be illegal to dispose of the lithium battery in the regular waste collection Check with your local officials for proper disposal procedures Disinfection and cleaning To disinfect the outside surface of the monitor wipe it with a non abrasive cloth moistened with any of the disinfectants listed below Do not use any other disinfectants or ultraviolet rays to disinfect the monitor Chlorohexidine gluconate solution 0 5 Benzethonium chloride solution 0 2 Glutaraldehyde solution 2 0 Benzalkonium chloride 0 2 Hydrochloric alkyl diaminoethylglycine 0 5 Transport Use the specified shipment container and packing material to transport the monitor If necessary double pack the monitor Also put the monitor into the shipment container after packing so that the buffer material does not get inside the monitor When transporting a bo
62. e monitor 1 10 Service Manual OPV 1500K Respiration Monitoring Service Manual OPV 1500K 1 GENERAL CAUTION e Use only Nihon Kohden products and specified parts and accessories When other type of electrodes are used the CHECK ELECTRODE message may be displayed and monitoring may stop e Do not reuse disposable electrodes e When using the electrodes with DIN type lead use only the Vitrode V or N electrodes If other electrodes are used the electrode lead may not be properly connected and ECG monitoring may be unstable e f the contact is bad even before the expiration date printed on the package replace the electrode with a new one e When the CHECK ELECTRODE message is displayed ECG is not monitored properly Check the electrode electrode leads and connection cord and if necessary replace it with a new one e Turn the pacing spike detection to On when monitoring a pacemaker patient Otherwise QRS and pacemaker spike may not be distinguished and pacemaker failure may not be recognized WARNING Interaction Between Minute Ventilation Rate Adaptive Pacemakers and Cardiac Monitoring and Diagnostic Equipment The bioelectric impedance measurement sensor of a minute ventilation rate adaptive implantable pacemaker may be affected by cardiac monitoring and diagnostic equipment which is connected to the same patient If this occurs the pacemaker may pace at its maximum rate and give incorrec
63. e the unit with a new one The CONTROL board has a failure The PRINTER CN board has a failure Replace the board with a new one the paper There is The recorder unit has a failure Replace the unit with a new one unevenness on The CONTROL board has a failure the paper The PRINTER CN board has a failure the board witli a new one The paper speed The recorder unit has a failure Replace the unit with a new one is unstable and waveform is compressed or extended on time scale The CONTROL board has a failure The PRINTER CN board has a failure Replace the board with a new one Service Manual OPV 1500K 2 3 2 TROUBLESHOOTING Vital Sign Problems ECG Screen Message Possible Cause Criteria Action ECG CONNECTOR The ECG connection cord is not firmly connected to the Firmly connect the ECG connection OFF instrument cord to the instrument One of the following has something wrong or a failure Check them If one of them has a connection cord failure replace it with a new one INPUT board ECG NOISE EMG noise is superimposed Change the electrode position to where there is less muscle The baseline is not stable due to respiration or body Change the electrode position movement The electrode is pulled by the lead Put some slack into the electrode lead One of the following has something wrong or a failure Check them If one of them
64. each single fault condition 60601 1 Check that the patient leakage current to 19 type BF or defibrillation proof type BF applied part does not exceed 0 1 mArms under normal condition and 0 5 mArms under each single fault condition Patient Check that the patient leakage current to leakage type CF or defibrillation proof type CF current applied part does not exceed 0 05 mArms mains under each single fault condition voltage on Check that the patient leakage current to the applied type BF or defibrillation proof type BF part applied part does not exceed 5 mArms under each single fault condition Dielectric strength refer to IEC 60601 1 20 Check that the instrument has the following withstand voltages e A al 1500 V AC for one minute e A f 1500 V AC for one minute e B a 4000 V AC for one minute e B d 1500 V AC for one minute Remove the cause if the instrument does not have all the withstand voltages Installation Condition Item Check Procedure Action Installation condition check Check that the instrument is installed in a suitable location according to the operator s manual If the conditions are not suitable improve them Service Manual OPV 1500K 6 7 Section 7 Replaceable Parts List Replaceable Pants cet ld 7 2 Service Manual OPV 1500K 7C 1 Service Manual OPV 1500K 7 REPLACEABLE PARTS LIST When ordering parts or accessories fro
65. ence may produce false waveforms which look like pulse waveforms SpO value and pulse rate may be measured from these false waveforms causing the alarm to function improperly When installing the monitor avoid locations where the monitor may receive strong electromagnetic interference such as radio or TV stations cellular phone or mobile two way radios WARNING Interaction Between Minute Ventilation Rate Adaptive Pacemakers and Cardiac Monitoring and Diagnostic Equipment The bioelectric impedance measurement sensor of a minute ventilation rate adaptive implantable pacemaker may be affected by cardiac monitoring and diagnostic equipment which is connected to the same patient If this occurs the pacemaker may pace at its maximum rate and give incorrect data to the monitor or diagnostic equipment If this occurs disconnect the monitor or diagnostic equipment from the patient or change the setting on the pacemaker by referring to the pacemaker s manual For more details contact your pacemaker distributor or Nihon Kohden distributor Minute ventilation is sensed in rate adaptive pacemakers by a technology known as bioelectric impedance measurement BIM Many medical devices in addition to pacemakers use this technology When one of these devices is used on a patient with an active minute ventilation rate adaptive pacemaker the pacemaker may erroneously interpret the mixture of BIM signals created in the patient resulting in
66. est The selected test is indicated in yellow 3 Check that the peak to peak length shows within 5 tolerance on the paper at each test result and also check that the status of MAGAZINE and PAPER in the STATUS column on the screen show CLOSE and SET respectively If the paper magazine is open the MAGAZINE status shows OPEN If there is no recording paper in the magazine the PAPER status shows EMPTY 4 To return to the previous screen turn the rotary dial to select RETURN and press the rotary dial center key Service Manual OPV 1500K 3 7 3 DIAGNOSTIC CHECK NIBP Check Turn the rotary dial to select NIBP on the MANUAL CHECK screen and press the rotary dial center key The following NIBP screen appears EXAMINATION SAFETY DEVICE TEST INFLATION TEST DEFLATION TEST STEP DEFLATION TEST AIR LEAK TEST RETURN Examination 1 Connect a mercury manometer and hand bulb pump to the 700 cc dummy cuff using a Y branch joint Connect the dummy cuff to the instrument with an adult air hose 2 Turn the rotary dial to select EXAMINATION on the NIBP screen and press the rotary dial center key to start the check During one second zeroing the EXAMINATION display color changes to white Whenever EXAMINATION is executed the zeroing is done EXAMINATION SAFETY DEVICE TEST INFLATION TEST DEFLATION TEST STEP DEFLATION TEST AIR LEAK TEST
67. f the following has something wrong or a failure Probe SpO connection cord INPUT board Check them If one of them has a failure replace it with a new one There is a poor correlation between the SpO value on the instrument and SaO value on a blood gas analyzer The probe is not properly attached to the patient Attach the probe properly The emitter and detector of the probe must face each other The probe size is inappropriate Use the correct size probe The probe attachment site is dirty Clean the site Remove nail polish if necessary One of the following has something wrong or a failure Probe SpO connection cord INPUT board Check them If one of them has a failure replace it with a new one Sine wave noise on the pulse wave Light interference Cover the probe attachment site with a blanket The line frequency setting on the instrument is not correct Set the correct line frequency on the SYSTEM SETUP screen 2 8 Service Manual OPV 1500K NIBP 2 TROUBLESHOOTING Screen Message Possible Cause Criteria Action NIBP SAFETY VALVE OPEN When this message is displayed measurement cannot be performed for 40 seconds The cuff or air hose is bent or squeezed Remove the cause If this message frequently appears on the screen one of the following has something wrong or a failure Cuff Air hose A
68. f which fits each patient If the cuff size is not correct measurement may not be completed or the result may be erroneous due to the different deflation speed of the cuff The YP 950T 951T 952T 953T 954T 955T reusable cuffs contain natural rubber latex which may cause allergic reactions Do not reuse the disposable cuff Disposable cuffs are not sterilized If necessary sterilize the cuff using glutaraldehyde solution The non sterilized disposable cuffs for neonates cannot be sterilized If necessary use the sterilized disposable cuffs for neonates Never sterilize the disposable cuff for neonates Do not wrap the cuff on an arm or thigh which is used for injection NIBP measurement on an arm or thigh which is used for injection may cause reflux of blood and stop injection Confirm that the air hoses are firmly connected between the sockets and hoses of the cuff If not connected properly the air hose connector clicks and the red color of the NIBP socket is completely hidden behind the air hose connector when properly inserted into the socket the cuff cannot be correctly identified and air leakage will cause incorrect NIBP data or no data When too much pressure is applied to the cuff or the hose is folded or kinked the NIBP SAFETY VALVE OPEN message appears on the screen and NIBP monitoring may be stopped Remove the cause wait for 40 seconds check that the message disappears then measure again e f the hose is folded or squeezed i
69. fore using it The check items are grouped as follows e External Input conditions Power Operation e Display e Sound e ECG e RESP e NIBP SpO e Alarm Clock Optional Recorder Built in the Instrument Optional Transmitter Attached to the Instrument e Safety Installation Condition Following are the procedures for each check item NOTE If you change the instrument setting for a check item write down the setting before changing it After finishing the check item return the setting to the previous setting Item Check Procedure Action Dirt stain or damage of enclosure and key membrane sheet Visually check that there is no dirt stain and damage on the instrument If the instrument is dirty clean it with a cloth moistened with water neutral soap or alcohol If the instrument has stain or damage remove it or replace the stained or damaged part with a new one Loose or lost screw If there is a loose screw secure it tightly If a screw is lost get a new one and secure it tightly Check that there is no loose or lost screw on the instrument Free component screw or foreign matter in the instrument Lift the instrument and shake it and check that there is no rattling of anything in the instrument If there is rattling of something disassemble the instrument and fix the cause Input Conditions Item Check Procedure Action I
70. from the instrument Separating the Front Enclosure and Chassis Block 3 Remove the 4 screws which secure the chassis block to the front enclosure as shown below Separate the front enclosure and chassis block Service Manual OPV 1500K 5 1 5 DISASSEMBLY AND ASSEMBLY Removing the LCD Unit Removing the USER IF Board 5 2 5 Remove the 3 screws and hexagonal spacer bolt which secure the LCD unit to the front enclosur Remove the LCD unit from the front enclosure 6 Remove the 4 screws which secure the holder to the LCD unit Remove the holder from the LCD unit CAUTION in Assembling the Instrument Use a present torque Phillips screwdriver when attaching the LCD unit holder to the LCD unit Use 440 4 force 7 Disconnect the wire harness from the USER IF board of the front enclosure CAUTION in Assembling the Instrument Do not pinch any wire of the wire harness when attaching the ferrite core clamp to the wire harness 8 Remove the 5 screws which secure the USER IF board to the front enclosure Remove the USER IF board from the front enclosure Service Manual OPV 1500K 5 DISASSEMBLY AND ASSEMBLY Removing the INPUT Perform the following procedure after the Separating the Front Enclosure and Board Chassis Block procedure 1 Remove the 4 screws which secure the shield cover to the INPUT board Remove the shield cover from the INPUT board 2
71. id valve 2 P 619109 POWER board battery terminal wire harness Q 627297 POWER board NIBP pump wire harness R 628198 Speaker lead wires and connector included S UR 3662 POWER board T UR 3665 CONTROL board U UR 3664 PRINTER CN board V RG 101W Recorder unit optional W 481809 Lithium battery for real time clock These parts are included in the SC 044R power supply block These parts are included in the UR 3661 INPUT board 7 4 Service Manual OPV 1500K 7 REPLACEABLE PARTS LIST Service Manual OPV 1500K 7 5 Section 8 Connector Pin Assignment INPUT 8 1 CN101 ECG RESP 8 1 CN401 for quick deflation valve valve 8 1 CN402 for slow deflation valve 8 1 CNA403 hot used imr eee cei edens daa ace 8 1 CN70 SPO see hr unma tnra such 8 2 CNS02 not sed nba et ite 8 2 CNT1001 for POWERDOGEQ ce ita EE diti c Eds 8 2 8 3 for power supply unit 8 3 CN for rechargeable battery sissioni issan ansdina enne nens 8 3 CNS for INPUT DOE ce ia 8 3 for NIBP PUMP
72. imum rate and give incorrect data to the monitor or diagnostic equipment If this occurs disconnect the monitor or diagnostic equipment from the patient or change the setting on the pacemaker by referring to the pacemaker s manual For more details contact your pacemaker distributor or Nihon Kohden distributor Minute ventilation is sensed in rate adaptive pacemakers by a technology known as bioelectric impedance measurement BIM Many medical devices in addition to pacemakers use this technology When one of these devices is used on a patient with an active minute ventilation rate adaptive pacemaker the pacemaker may erroneously interpret the mixture of BIM signals created in the patient resulting in an elevated pacing rate For more information see the FDA web site http www fda gov cdrh safety html WARNING e When using a defibrillator together with the monitor use Ag AgCl electrodes Other types of electrodes stainless steel in particular adversely affect the ECG waveform by slowing the baseline recovery on the monitor and result in no monitoring immediately following defibrillation e False heart rate indicators may occur with certain pacemakers because of electrical overshoots e Pacemaker patients can only be monitored when the pace program is activated Keep pacemaker patients under close observation The pacemaker rate may be counted during cardiac arrest and certain arrhythmias Do not rely only on th
73. io frequency interference from other equipment through the AC power supply of the equipment and or system Identify the cause of this interference and if possible remove this interference source If this is not possible use a different power supply 3 Effect of direct or indirect electrostatic discharge Make sure all users and patients in contact with the equipment and or system are free from direct indirect electrostatic energy before using it 4 Electromagnetic interference with any radio wave receiver such as radio or television If the equipment and or system interferes with any radio wave receiver locate the equipment and or system as far as possible from the radio wave receiver If the above suggested remedial actions do not solve the problem consult your Nihon Kohden Corporation subsidiary or distributor for additional suggestions Service Manual OPV 1500K iii In IEC 60601 1 2 Medical Electronic Equipment Part 1 General Requirements for Safety 2 Collateral Standard Electromagnetic compatibility Requirements and test Section 36 202 2 Radiated radio frequency electromagnetic fields PATIENT COUPLED EQUIPMENT and or SYSTEMS applicable IMMUNITY test methods are under consideration at SC62A WG13 The 3 V m IMMUNITY level may be inappropriate especially when measuring SpO because physiological signals can be much smaller than those induced by V m electromagnetic field When measuring SpO various interfer
74. ir tubes in the instrument NIBP pump Valves INPUT board Check them If one of them has a failure replace it with a new one NIBP RE MEASURING Remeasurement is automatically performed If the message still appears after remeasurement do the counter actions Since the patient has arrhythmia body movement or shivering the measurement is stopped by the safety circuit Wait for 40 seconds before remeasurement The cuff or air hose is bent or squeezed Remove the cause If this message frequently appears on the screen one of the following has something wrong or a failure Cuff Check them If one of them has a failure replace it with a new one Air hose Air tubes in the instrument NIBP pump Valves INPUT board NIBP ZEROING If this message does not disappear from the screen Check them If one of them has a failure one of the following has something wrong or a failure replace it with a new one Cuff Air hose Air tubes in the instrument INPUT board NIBP CHECK The 1 minute interval NIBP measurement is done for Normal operation Check the patient INTERVAL 30 minutes or more whether the measurement conditon should be changed or not The INPUT board has something wrong or a failure if If the board has a failure replace it with a this message frequently appears on the screen new one NIBP NOISE The patient has arrhythmia Use
75. it Pin No Signal Name 1 Vch 2 Vch 3 clock 4 strobe 5 D in 6 GND 7 OEI 8 OE2 9 GND 10 GND 11 OE3 12 GND 13 THI 14 TH2 15 4 16 GND 17 5 18 Collector Opto 19 Opto GND 20 Anode Opto 21 GND 22 OE6 23 D out 24 25 Vch 26 Vch CN103 for recorder unit Pin No Signal Name 8 6 Service Manual OPV 1500K 8 CONNECTOR PIN ASSIGNMENT CONTROL Board CN1 Alarm pole socket Signal Name 1 2 3 4 12V 5 NC CN2 for LCD unit Pin No Signal Name HSY VSY CLK NTP HRV VRV VSW CLKC VCDC VIN VBS BRT VRI GNDI VR2 VG2 VB2 GNDI VBL VBL GND2 GND2 MH BY WwW 1 11 Bl WO a rR Service Manual OPV 1500K 8 7 8 CONNECTOR PIN ASSIGNMENT CN3 for POWER board 8 8 Pin No Signal Name Al 6V A2 6V A3 6V 4 6V AS 6V 6V 7 6V 8 6V 9 6VGND AIO 6VGND All 6VGND 12 6VGND A13 6VGND 14 6VGND 15 6VGND 16 6VGND 17 GND 18 19 20 Bl 15V B2 HS_RXD B3 LS_RXD B4 LS_TXD B5 HS TXD B6 BATT STSO B7 BATT STSI B8 PW SW B9 PW KEY B10 PW ON Bll AC LED B12 DC LED B13 CHRG LED B14 5V B15 5V B16 5V B17 GND B18 12V B19 12V B20 12V Service Manual OPV 1500K 8 CONNECTOR PIN ASSIGNMENT
76. ly wrapped around the upper arm Tightly wrap the cuff around the upper arm If this message frequently appears on the screen one Check them If one of them has a failure of the following has something wrong or a failure replace it with a new one Cuff Air hose Air tube in the instrument INPUT board AIR HOSE OFF The connection between the air hose and instrument is Disconnect the air hose from the instrument incomplete and connect the air hose to the instrument again The connection between the air hose and cuff is Disconnect the air hose from the cuff and incomplete connect the air hose to the cuff again If this message frequently appears on the screen one Check them If one of them has a failure of the following has something wrong or a failure replace it with a new one Cuff Air hose Air tubes in the instrument NIBP pump Valves INPUT board INFLATION PRESS The connection between the air hose and instrument is Disconnect the air hose from the instrument LOW incomplete and connect the air hose to the instrument again The connection between the air hose and cuff is Disconnect the air hose from the cuff and incomplete connect the air hose to the cuff again If this message frequently appears on the screen one Check them If one of them has a failure of the following has something wrong or a failure replace it with a new one Cuff Air hose Air tubes in the instrument
77. m limit is turned off there will be no alarm for that parameter limit When the ECG CONNECTOR OFF SpO2 CONNECTOR OFF or AIR HOSE OFF message appears on the screen check that the connection cords are connected to the sockets properly Patient cannot be monitored and the alarm does not function properly while this message is displayed If fluids are accidentally spilled on the monitor take the bedside monitor out of service and check for damage WARNING For patient safety equipotential grounding of all instruments must performed Consult with a qualified biomedical engineer e Only use the provided power cord Using other power cords may result in electrical shock or other injury to the patient and operator When the provided power cord cannot be used or when equipotential grounding is doubtful such as in poor grounding facility operate the monitor on battery power Connect only the specified instrument to the socket marked with by following the specified procedure Otherwise electrical leakage current may harm the patient and operator CAUTION e When connecting the monitor to other instruments the connection must comply with IEC60601 1 1 Refer to General Requirements for Connecting Medical Electrical System in Section 13 Disconnect the power cord of all instruments from the AC SOURCE socket before connecting the instruments Otherwise there may be an electrical
78. m your nearest Nihon Kohden Corporation distributor please quote the NK code number and part name which are listed in this service manual and the name or model of the unit in which the required part is located This will help us to promptly attend to your needs Always use Nihon Kohden parts and accessories to assure maximum performance from your instrument 7 1 7 REPLACEABLE PARTS LIST Replaceable Parts List Index NK Code No Description 1 6123 013132 Front panel 2 6124 034259 Parameter label 3 6113 041994 Rotary dial 4 6114 119534 Center key 3 6143 011827 Front enclosure 6 6124 034268 OPV 1500K label 7 624914 Rubber foot 8 6114 124234 LCD unit cushion 3 9 6114 121157 Key top panel sheet S 10 6114 121166 Key top panel sheet L 11 6114 124225 LCD unit cushion 2 12 6114 124216 LCD unit cushion 1 13 6112 015516 LCD unit holder 14 6114 124181 Hexagonal spacer bolt R 15 6114 126107 Flat ferrite core 16 6114 127944 Ferrite core cushion 17 631996 Ferrite core clamp 18 6114 124172 Hexagonal spacer bolt L 19 6114 126099 Shield gasket 20 6112 016079 Power supply unit bracket 21 6113 042529 Top chassis 22 6113 042378 Power supply unit insulation cover 23 551734 Equipotential ground terminal 24 6113 042333 NIBP pump holder 25 6114 120523 NIBP pump cushion 26 6114 011193 Air tube 1 27 6114 011201 Air tube 2 287 6113 040469 NIBP socket 29 6114 120505 NIBP socket holder 6112 126186 INPUT boar
79. mation on Servicing Note the following information when servicing the monitor WARNING To avoid the possibility of injury to yourself or damage to the monitor do not install or remove any component while the power is on When disassembling make sure that the monitor is turned off and the power cord is disconnected from the monitor and AC outlet There is a high voltage circuit on the inverter for the LCD backlight and power unit CAUTIONS Safety There is the possibility that the outside surface of the monitor such as the operation keys could be contaminated by contagious germs so disinfect and clean the monitor before servicing it When servicing the monitor wear rubber gloves to protect yourself from infection There is the possibility that when the lithium battery NiMH battery or LCD unit is broken a solvent could flow out or a toxic substance inside it could come out If the solvent or toxic substance contacts the eyes or skin wash immediately and thoroughly with water and see your physician Never rub your eyes otherwise you may lose your eyesight To avoid accidental electrostatic discharge which could damage the components of the monitor use a grounded wrist strap when installing or removing any component of the monitor Use a pair of clean cotton gloves when replacing the LCD unit If it is damaged your may get injured Liquid ingress The monitor is not waterproof so do not install the monitor wher
80. mbly uu 5C 1 Opening the Instrument 5 1 Removing the Rear Enclosure ei das 5 1 Separating the Front Enclosure and Chassis Block 5 1 Removing the LCD Unit R A 5 2 Removing the USER IF Board 2 tedio 5 2 Removing the INPUT Board 5 3 Removing the NIBP 4 404600 01 0 5 4 Removing the POWER Board CONTROL Board and PRINTER CN Board 5 4 Removing the Recorder Unit 5 5 Removing the POWER 5 5 Removing the CONTROL 5 5 Removing the PRINTER CN 5 6 Removing the Power Supply 5 6 Replacing the Lithium 5 7 Installing the Optional RG 101W Recorder 5 8 6 1 To Be Replaced Periodically 6 1 TOONS e
81. ment for stable SpO monitoring fasten the cable with the provided adhesive tape Do not pull or bend the probe cable and do not put caster feet on the probe cable Do not immerse the probe cable in detergents or water Failure to follow these cautions may cause cable discontinuity short circuit skin burn on the patient and incorrect measurement data Replace any broken probe with a new one When using a disposable probe be careful when removing the foam tape from neonatal skin When removing a disposable probe that is taped to the skin do not pull the cable part of the probe because this can damage the probe s cable connection Refer to the probe instruction manual for details 1 GENERAL NIBP Monitoring WARNING NIBP measurement on a sickle cell anemia patient may cause a thrombus When attaching the cuff to a premature infant at an early stage after birth periodically change the cuff position to avoid possible skin erosion and fissure e While performing STAT continuous measurements many times without a pause periodically check the blood vessels and limb for adequate circulation When performing long term measurements at intervals less than 2 5 minutes periodically check the state of the patient blood vessels and limb for adequate circulation CAUTION e Only use the specified cuff Otherwise NIBP monitoring cannot be performed properly or the monitor may be damaged e Select the cuf
82. n consult operator s manual 110 NIBP ZB 900PK transmitter socket NIBP interval gt Output terminal NIBP start Equipotential terminal NIBP stop mM Year of manufacture Review Serial number sA 5 mark is a protected conformity mark of the European Community The products herewith comply with the requirements of the Medical Device Directive 93 42 EEC vi Service Manual OPV 1500K On screen Symbol Description Symbol Description X Alarm silence with remaining Body movement SpO2 2 minutes X Alarm off Recording QRS pulse sync mark Recorder door open when using optional recorder unit Respiration sync mark Out of paper when using optional recorder unit NIBP measurement on neonate Transmitter connected to the monitor Others Symbol Description Symbol Description ON Splash proof equipment 9 Recycle On battery pack 4 a i 4 P Ni MH et Manufacturer EC Authorized representative in European Community The mark is a protected conformity mark of the European Community The products herewith comply with the requirements of the Medical Device Directive 93 42 Service Manual OPV 1500K vii This page is intentionally left blank viii Service Manual OPV 1500K Section I
83. nd battery power lamp works properly and the correct voltages are output from the power supply unit Remove the cause if there is anything wrong Operation Item Check Procedure Action Key function Select KEY on the MANUAL CHECK screen and perform the key check items and check that there is no error Refer to Key Check in Section 3 of this manual Remove the cause if an error occurs Display Item Check Procedure Action Crack scratch or dirt Check that there is no crack scratch and If there is a crack or scratch on the screen on the LCD dirt on the LCD replace it with a new one If the screen is dirty clean it with a soft cloth moistened with water Select DISPLAY on the MANUAL CHECK screen and perform the display Display function check items and check that there is no error Refer to Display Check in Section 3 of this manual Remove the cause if an error occurs Sound ECG 6 4 Item Check Procedure Action Sound function Select SOUND on the MANUAL CHECK screen and perform the sound check items and check that there is no error Refer to Sound Check in Section 3 of this manual Remove the cause if an error occurs Item Check Procedure Action Electrode lead wire and connection cord wire Check that there is no break of the lead wire and connection cord with a multimeter or digital
84. new one TT The battery has The POWER board has a failure Replace the board with a new one specification used for less than one year No sound The speaker has a failure Replace the speaker with a new one The CONTROL board has a failure Replace the board with a new one No key The USER IF board CONTROL board wire harness has a failure Replace the wire harness with a operation new one The USER IF board has a failure The CONTROL board has a failure Replace the board with a new one No display The LCD unit has a failure Replace the unit with a new one The LCD unit CONTROL board wire harness has a failure Replace the wire harness with a new one 2 2 Service Manual OPV 1500K 2 TROUBLESHOOTING The display is dim or waveform s and or characters are distorted The LCD unit CONTRO board wire harness has a failure Replace the wire harness with a new one The CONTROL board has a failure Replace the board with a new one Some pixels on the screen do not light or have abnormal color 9 pixels or less on the screen do not light or have abnormal color The LCD unit is normal The LCD unit replacement is not required More than 9 pixels on the screen do not light or have abnormal color The LCD unit is faulty Replace the LCD unit with a new one The screen changes to Error screen The POWER board INPUT board wire harness h
85. nput sockets on the instrument and connection cord connectors Visually check that there is no damaged input socket and connector If the input socket or connector is damaged replace it with a new one Contact between input socket on the instrument and connector of connection cord Check that there is good contact between the input socket and connector of the connection cord Remove the cause if there is a poor contact between them Service Manual OPV 1500K 6 3 6 MAINTENANCE Power Item Check Procedure Action Line voltage Check that the line voltage is within the range of nominal voltage 10 Use only the line voltage within the correct range Power cord Check that the power cord does not have any d continuity heat d If the power cord has tailure replace it while bending each part of the power cord ith Check that the ground wire of the power cord has a resistance of 0 1 Q less between the ends CREE Hat pround rac ns HUMO If the ground lead has tailure replace it Ground lead poor continuity while bending each part of the with a new ground lead Fuse Check that the specified fuses are used and not If the fuse is blown replace it with a new blown one after removing the cause Power indicator and supply voltage check Check that the power indicators such as the power lamp AC power lamp a
86. o change the sound volume level 0 to 15 turn the rotary dial 3 Check that some of the above seven test results are normal while changing the sound volume level 4 To return to the previous screen turn the rotary dial to select RETURN and press the rotary dial center key Service Manual OPV 1500K 3 3 3 DIAGNOSTIC CHECK Memory Check 1 Tum the rotary dial to select MEMORY on the MANUAL CHECK screen and press the rotary dial center key The following screen appears 1 CONTROL B D ROM TEST Calculates the check sum of the program stored in the ROM on the CONTROL board and compares the calculated sum with a check sum stored in the ROM 2 CONTROL B D RAM TEST Writes the test data to the RAM on the CONTROL board and reads the test data from the RAM 3 INPUT B D ROM TEST Calculates the check sum of the program stored in the ROM on the INPUT board and compares the calculated sum with a check sum stored in the ROM 4 INPUT B D RAM TEST Writes the test data to the RAM on the INPUT board and reads the test data from the RAM 5 EEPROM TEST Calculates the check sum of the program stored in the EEPROM on the CONTROL board and compares the calculated sum with a check sum stored in the EEPROM 2 Turn the rotary dial to select a test and press the rotary dial center key The selected test is indicated in yellow 3 Check that each test result is shown as OK in the STATUS column on the screen If there is
87. onitor is to replace the faulty unit board or part or damaged mechanical part with a new one Do not perform electrical device or component level repair of the multilayer board or unit We do not support component level repair outside the factory for the following reasons Most of the boards are multilayer boards with surface mount electrical devices so the mounting density of the board is too high A special tool or high degree of repair skill is required to repair the multilayer boards with surface mount electrical devices Only disassemble the monitor or replace a board or unit in an environment where the monitor is protected against static electricity As background knowledge for repair pay special attention to the following To reduce the repair time consider the problem before starting repair To clarify the source of the troubles use the information from the diagnostic check function of the monitor and the information described in the troubleshooting section Refer to Replaceable Parts List of this manual for the service parts for technical service that we provide NOTE When ordering parts or accessories from your Nihon Kohden representative please quote the NK code number and part name which is listed in this service manual and the name or model of the unit in which the required part is located This will help us to promptly attend to your needs Always use parts and accessories recommended or supplied by
88. onnected to appropriate ground 3 mm hex socket driver e Tweezers Nippers Cable ties Service Manual OPV 1500K 6 1 6 MAINTENANCE Measuring and Test Equipment 6 2 To repair check or adjust the instrument the following measuring and test equipment or equipment with similar function and performance is required Digital Voltmeter A digital tester with at least 3 1 2 digits LCD display that can measure voltage current and resistance Cathode ray Oscilloscope An oscilloscope with a bandwidth of more than 1 MHz and a sensitivity of more than 10 mV cm AX 800P Vital Sign Simulator AX 300T SpO Simulator YS 077P1 NIBP Dummy Cuff A 700 mL container that is needed for some NIBP check items in the diagnostic check mode YS 077P2 NIBP Dummy Cuff A 250 mL container that is needed for some NIBP check items in the diagnostic check mode 6443 000022B NIBP Dummy Cuff A 772 mL container that is needed for some NIBP check items in the diagnostic check mode Mercury Manometer with Hand Pump Y branch hose joint YN 101T Air hose for adult and child 3 5 m long YN 121T Air hose for neonate 3 6 m long Purchase locally Included in the accessory kit Service Manual OPV 1500K 6 MAINTENANCE Maintenance Check Items and Schedule External Perform this maintenance check once every six months A maintenance check sheet is provided at the end of this section Make a copy of this check sheet be
89. onsists of the following blocks The vital sign data processed on this board is sent to the CONTROL board by serial data communication Pressure control circuit Controls the cuff inflation and deflation Pressure measurement circuit Measures the cuff pressure Pulse complex amplifier Amplifies the pulse complex signal variation component from the cuff pressure and filters it LED emission control circuit Controls the emission timing of the two LEDs in the SpO probe Photo sensor amplifier Processes the current which is converted from the amount of the received light at the photo sensor and amplifiers the time sharing signal through the band pass filter SpO probe failure detection circuit Detects a failure of the SpO probe Lead selector Selects ECG lead from the leads I and III ECG amplifier Filters the ECG input signal selected by the lead selector and amplifiers the signal Pacing pulse detection circuit Detects pacing pulse Electrode off detection circuit Detects that an electrode is detached from the patient skin Carrier wave generator Generates the carrier wave for the modulation of respiration signal The carrier wave can be set to on or off Demodulation circuit Demodulates the respiration signal from the carrier wave Electrode status detection Detects each electrode status Processes the vital sign data and sends it to the CONTROL board by serial data communication Generates the v
90. ower cord from the AC SOURCE power cord socket on the right side panel e After cleaning make sure that the monitor is completely dried e Wipe the monitor thoroughly after disinfecting it with spray e The bedside monitor is not waterproof Be careful not to let any water get inside the monitor e Never sterilize the monitor because the materials may deform crack or discolor Service Manual OPV 1500K 1 15 1 GENERAL Specifications Display Display size Waveform display mode Viewing area Maximum number of waveform trace Sweep speed Sweep time Display waveforms Numerical data display 5 6 inch TFT type color LCD Non fade moving 114 2 mm x 83 5 mm 2 traces 25 mm s respiration waveform 6 25 mm s about 79 mm at 25 mm s sweep speed ECG respiration SpO pulse wave Heart rate pulse rate respiration rate NIBP systolic diastolic mean SpO NIBP measurement time NIBP measurement mode and current time Alarm Alarm items Upper lower limits alarm apnea alarm connector disconnection alarm NOISE alarm electrode off alarm pulse waveform detecting alarm probe off alarm cuff hose check alarm battery weak alarm operating environment alarm Alarm suspend ECG Heart rate counting range Pacemaker pulse rejection capability Defibrillation proof Electrode offset potential tolerance Input dynamic range Input impedance Frequency response Lead Waveform display Displ
91. pply 250 mmHg pressure to the dummy cuff with the hand bulb pump turn the rotary dial to select 2 VALVE 2 OPEN 50 ms and press the rotary dial center key to start the test Check that DEFLATION PRESS in the STATUS column on the screen shows 5 to 15 mmHg 3 13 3 DIAGNOSTIC CHECK Air Leak Test 3 14 10 Apply 20 mmHg pressure to the dummy cuff with the hand bulb pump turn 11 12 the rotary dial to select 4 VALVE 2 OPEN 100 ms and press the rotary dial center key to start the test Check that DEFLATION PRESS in the STATUS column on the screen shows 5 to 15 mmHg To return to the previous screen turn the rotary dial to select RETURN and press the rotary dial center key Connect the dummy cuff to the instrument with an adult air hose Since the other tube of the dummy cuff must be completely closed pinch the tube with a pinch clamp Turn the rotary dial to select AIR LEAK TEST on the NIBP screen and press the rotary dial center key The following screen appears 1 PRESSURE HOLD TEST 2 AIRLEAK TEST MANUAL 3 AIR LEAK TEST AUTOMATIC RETURN CUFF TYPE NORM ADULT CHILD CUFF TYPE SAFE ADULT CHILD CUFF PRESS NORM 0 0 mmHg ELAPSED TIME 05 AIR LEAK 0 0 mmHg 1 PRESSURE HOLD TEST Measures the pressure difference between the two cuff pressures at 10 seconds after and at 20 seconds after 300 mmHg pressure is applied to the 700 cc dummy cuff
92. ransmitter and alarm pole Power Supply Unit This unit converts the line voltage to 15 V DC Service Manual OPV 1500K 4 3 Section 5 Disassembly and Assembly Opening HE 5 1 Removing the Rear Enclosure 5 1 Separating the Front Enclosure and Chassis Block 5 1 Removing the LCD 5 2 Removing the USER IF Board 2 Removing the INPUT Boards eter nece n tete exec e nes 5 3 Removing the NIBP Pump esses 5 4 Removing the POWER Board CONTROL Board and PRINTER CN Board 5 4 Removing the Recorder Unit Option 5 5 Removing the POWER Board 5 5 Removing the CONTROL Board 5 5 Removing the PRINTER CN Board sse 5 6 Removing the Power Supply 5 6 Replacing the Lithium 422244 5 7 Installing the Optional RG 101W Recorder 5 8 Service Manual OPV 1500K 5C 1 5 DISASSEMBLY AND ASSEMBLY Opening the Instrument Removing the Rear Enclosure 1 Remove the 4 screws which secure the rear enclosure to the instrument Remove the rear enclosure
93. ressure 70 to 106 kPa Dimensions and Weight approximate Dimensions 195 mm W x 205 mm 185 mm D Weight 4 0 kg excluding options Electromagnetic Compatibility IEC60601 1 2 1993 Collateral Standard Electromagnetic compatibility Requirement and tests Emissions 11 Group 1 Class Safety Standard Safety standard IEC 60601 1 1988 Amendment 1 1991 Amendment 2 1995 IEC 60601 1 1 Amendment 1 1995 IEC 60601 2 27 1994 Particular requirements for the safety of electrocardiographic monitoring IEC 60601 2 30 1995 Particular requirements for the safety of automatic cycling in in direct blood pressure monitoring equipment According to the type of protection against electrical shock CLASS I EQUIPMENT AC Powered Internally Powered EQUIPMENT BATTERY Powered According to the degree of protection against electrical shock ECG Respiration impedance Defibrillator proof type CF applied part SpO NIBP Defibrillator proof type BF applied part According to the degree of protection against harmful ingress of water IPXO ordinary EQUIPMENT According to the degree of safety of application in the presence of FLAMMABLE ANAESTHETIC MIXTURE WITH AIR OR WITH OXYGEN OR NITROUS OXIDE Equipment not suitable for use in the presence of FLAMMABLE ANAESTHETIC MIXTURE WITH AIR OR WITH OXYGEN OR NITROUS OXIDE According to the mode of operation CONTINUOUS OPERATION 1 18 Service Manual OPV 1500K Clock Accuracy A
94. rubin lamp or sunlight is close to the Cover the probe attachment site with a INTERFERECE probe blanket The probe is not properly attached to the patient Attach the probe to the patient properly One of the following has something wrong or a failure Check them If one of them has a failure Probe replace it with a new one SpO connection cord INPUT board SpO CONNECTOR The SpO connection cord is not firmly connected to the Firmly connect the SpO connection cord OFF instrument to the instrument One of the following has something wrong or a failure Check them If one of them has a failure SpO connection cord replace it with a new one INPUT board SpO CHECK PROBE The probe is not attached to the appropriate site of the Attach the probe to a site 6 to 14 mm SITE patient thick One of the following has something wrong or a failure Check them If one of them has a failure Probe replace it with a new one SpO connection cord INPUT board SpO CHECK PROBE The probe is not properly attached to the patient Attach the probe to the patient properly The probe is not firmly connected to the SpO connection Firmly connect the probe to the SpO cord connection cord One of the following has something wrong or a failure Check them If one of them has a failure Probe replace it with a new one SpO connection cord INPUT board SpO PROBE FAULT One of the following has something wrong or a failure Check them
95. sembled or damaged probe because measured data may be incorrect Do not use the probe over its stated lifetime Otherwise the SpO measurement accuracy cannot be guaranteed If the skin gets irritated by the tape change the attachment site Do not attach the probe to the same limb that is used for NIBP measurement or an IBP catheter Normally external light does not affect monitoring however strong light such as an operating lamp or sunlight may affect monitoring If affected cover the measuring site with a blanket When attached make sure that the photo emitter and the detector of the probe face each other Otherwise SpO cannot be measured properly Do not reuse the disposable probes for another patient Disposable probes are not sterilized To sterilize the probe refer to the Sterilizing the Disposable Probe in Section 12 When the probe is attached on an appropriate site with sufficient circulation and the error message confirming the probe attachment repeatedly appears the probe may be deteriorated Replace it with a new one When the probe or SpO connection cord failure message appears on the screen replace it with a new one Otherwise SpO data may not be accurate When the attachment site is wet with blood or when the patient has nail polish on remove dirt and nail polish before attaching the probe The transmitted light may decrease due to blood or nail polish and the measurement data may be incorrect To minimize body move
96. t data to the monitor or diagnostic equipment If this occurs disconnect the monitor or diagnostic equipment from the patient or change the setting on the pacemaker by referring to the pacemaker s manual For more details contact your pacemaker distributor or Nihon Kohden distributor Minute ventilation is sensed in rate adaptive pacemakers by a technology known as bioelectric impedance measurement BIM Many medical devices in addition to pacemakers use this technology When one of these devices is used on a patient with an active minute ventilation rate adaptive pacemaker the pacemaker may erroneously interpret the mixture of BIM signals created in the patient resulting in an elevated pacing rate For more information see the FDA web site http www fda gov cdrh safety html 1 GENERAL SpO Monitoring WARNING e Measurement may not be correct in the following cases When the oxyhemoglobin or methemoglobin HbCO Met Hb increases abnormally When dye is injected in the blood During CPR When there is body movement When the pulse wave is small Check the circulation condition by observing the skin color of the measuring site and pulse waveform Change the measuring site every 8 hours for disposable probes and every 4 hours for reusable probes The skin temperature may increase at the attached site by 2 or 3 C 4 or 5 F and cause a burn or pressure necrosis When using the probe on the following
97. t operating temperature 25 C about 3 min month maximum At storage temperature 20 to 65 C about 5 min month maximum Service Manual OPV 1500K 1 GENERAL 1 GENERAL Panel Description Front Panel Alarm indicator Red or orange lamp blinks or lights according to the alarm settings SILENCE ALARM key Silences the alarm sound When the power key is pressed while this key is pressed the MAINTENANCE MODE E NIHONKOHDEN Life Scope ff COO screen is displayed for the SYSTEM SETUP settings and servicing NIBP INTERVAL key Selects NIBP measurement mode Pressing this key changes the mode NIBP lamp Lights during NIBP measurement Screen Displays monitoring data NIBP START STOP key Starts NIBP measurement in selected mode Pressing this key during measurement stops measurement Power panel Refer to the Power Panel section Rotary dial Selects item on the setup windows Scrolls data on the review windows Socket panel Refer to the Socket Panel section Center key Displays the setup windows and registers the setting Screen select key Record key Changes the screen in the following order Press to start or stop recording Monitoring screen list window trend window sleep mode screen Displays monitoring screen when pressed on the setup window Po
98. t will cause incorrect NIBP data due to the air pressure noise Do not rely only on the PWTT to monitor blood pressure changes When it is necessary to monitor critical blood pressure change set the appropriate interval for NIBP measurement Service Manual OPV 1500K 1 GENERAL When the delta PWTT threshold is too short for a patient NIBP measurement may be performed too frequently If this occurs change the delta PWTT threshold to a longer time e The PWTT may be incorrect when there is too much arrhythmia or noise e In the following cases PWTT may trigger too many or no NIBP measurements Check the patient condition If necessary change the delta PWTT threshold or set PWTT to Off Rapid blood pressure change with vasoreflex due to vasoactive drugs such as phenylephrine and nicardipine Unstable pulse wave due to poor peripheral circulation Too many arrhythmias Patient movement Noise on ECG SpO measurement on foot of a child e Do not measure NIBP with PWTT on a neonate because circulation of a neonate changes rapidly Maintenance CAUTION Do not disassemble the monitor Disassembly must be performed by a qualified service personnel e Fuses must be replaced by a qualified service personnel e Do not use volatile liquids such as thinner or benzine because these will cause the materials to melt or crack e Before cleaning the monitor turn the monitor power off and disconnect the p
99. tary dial center key The following screen appears RED DISPLAY Displays the whole screen in red GREEN DISPLAY Displays the whole screen in green BLUE DISPLAY Displays the whole screen in blue LED TEST Lights the alarm indicator and NIBP lamp mou Turn the rotary dial to select a test on the screen and press the rotary dial center key to perform the test Check that the above four test results are normal Note that the LCD is normal even if up to 9 pixels on the screen do not light or have abnormal color To return to the previous screen turn the rotary dial to select RETURN and press the rotary dial center key Service Manual OPV 1500K 3 DIAGNOSTIC CHECK Sound Check 1 Turn the rotary dial to select SOUND on the MANUAL CHECK screen and press the rotary dial center key The following screen appears 1 ALARM SOUND1 Generates the alarm type 1 continuous sound sound 2 ALARM SOUND2 Generates the alarm type 2 single sound at every 20 seconds sound 3 ALARM SOUNDS Generates the alarm type 3 single sound only sound 4 QRS HIGH Generates the high pitch QRS synchronization sound 5 QRS LOW Generates the low pitch QRS synchronization sound 6 QRS VARIABLE Generates the variable pitch QRS synchronization sound 7 KEY Generates the key click sound 2 Turn the rotary dial to select a test on the screen and press the rotary dial center key The selected sound is generated T
100. the INPUT board with a new one if an error occurs Safety circuit Refer to Safety Device Test at NIBP Check in Section 3 of this manual Check that there is no error Replace the INPUT board with a new one if an error occurs Deflation Test at NIBP Check in Section 3 of this manual Check that there is no error NIBP pump Refer to Inflation Test at NIBP Check Replace the NIBP pump with a new one if Section 3 of this manual Check that there is an error occurs no error Valves Refer to Quick Deflation Test and Step Replace the valve with a new one if an error occurs Internal pneumatic path Refer to Air Leak Test at NIBP Check in Section 3 of this manual Check that there is no error Remove the cause if an error occurs NIBP measurement Check that the NIBP measurement is done properly Remove the cause if an error occurs 5 Item Check Procedure Action Probe TL 201T finger probe Refer to STATUS SIGNAL LEVEL at Replace the probe with a new one if SpO2 Setup in Section 3 of the operator s the signal level is half or less than manual Check that the signal level is more half the level of the first use than half the level of the first use Connect the probe to the AX 300T and put Replace the probe with a new one if provided check board between the light the AX 300T shows an error emitter and photo detector and hold this
101. tion valve Pin No Signal Name valve1 EOM 2 E6 CN402 for slow deflation valve valve2 CN403 not used Pin No Signal Name 1 6VM 2 E6 Service Manual OPV 1500K 8 1 8 CONNECTOR PIN ASSIGNMENT CN701 SpO Socket CN902 not used CN1001 for POWER board 8 2 Pin No Signal Name A DA eee lan 6 la io Koel ER Kon Ea E EA 9 LED_COM FGND PID FGND FGND FGND FGND FGND PD_SHILED PD_ANODE LED_REX LED_IREX PID XCABLE_CONNECT FGND FGND FGND FGND XCABLE_CHECK PD_CATHODE Signal Name 5V GND 5V GND 6V GND 6V Pin No Signal Name COND R o m o e 45V GND 45V GND 6V GND 6V GND PUMP_P PUMP_M H_TXD H_RXD L_TXD L_RXD Service Manual OPV 1500K 8 CONNECTOR PIN ASSIGNMENT Power Board CN1 for power supply Pin No Signal Name it 15V 15V 1 2 3 GND 4 GND CN2 for rechargeable Pin No Signal Name battery 1 2 THERMISTOR 3 BATT 4 BATT CN3 for INPUT board Pin No Signal Name 1 5 2 GND 3 5V 4 GND 5 6V 6 GND 7 6V 8 GND 9 PUMP 10 PUMP 11 H_RXD 12 H_TXD 13 L_RXD 14 L_TXD CN4 for NIBP pump Pin No Signal Name 1 PUMP 2 PUMP Servi
102. ttery may heat explode or burn if the battery is disposed of with other batteries or electrically conductive materials Discard used batteries according to your local laws Replace the lithium battery on the CONTROL board with a new one 2 After the battery replacement check the continuity between the battery terminal and receptacle terminal with a multimeter or digital voltmeter 5 7 5 DISASSEMBLY AND ASSEMBLY Installing the Optional RG 101W Recorder Unit 1 Remove the 4 screws and remove the rear enclosure M3x6 pan screw with spring washer 2 Remove the screw which secures the recorder blank panel to the instrument and remove the blank panel 2 M3x6 head screw with spring washer 3 Remove the 2 wire harnesses from the CONTROL board 4 Remove the 4 screws and remove the chassis block from the front enclosure M3x6 pan head screw with spring washer 5 8 Service Manual OPV 1500K 5 DISASSEMBLY AND ASSEMBLY 5 Attach the recorder unit to the chassis and secure the unit with the 2 M3x6 screws and M3x8 screw M3x6 pan head screw with spring washer MS3x6 pan head screw with spring washer M3x8 pan head screw with spring washer 7 Assemble the instrument by reversing steps 1 to 4 Service Manual OPV 1500K 5 9 Section 6 Maintenance Replaced ly rr netten rte elt dee 6 1 Mee EET 6
103. tting to the original setting after finishing the check Clock Item Check Procedure Action If the clock stops while the instrument is turned off replace the lithium battery on the CONTROL board with a new one If the date and time are not correct set the date and time Check that the date and time is updated Clock function when the power is turned on correctly Optional Recorder Built in the Instrument Item Check Procedure Action Crack scratch or dirt on the Check that there is no crack scratch and If there is a crack or scratch on the recorder dirt on the recorder screen replace it with a new one If the recorder is dirty clean it with a soft cloth moistened with water Recorder function Select RECORDER on the MANUAL Remove the cause if an error occurs CHECK screen and perform the recorder check items and check that there is no error Refer to Optional Recorder Check in Section 3 of this manual Optional Transmitter Attached to the Instrument Item Check Procedure Action Crack scratch or dirt on the Check that there is no crack scratch and If there is a crack or scratch on the transmitter dirt on the transmitter screen replace it with a new one If the transmitter is dirty clean it with a soft cloth moistened with water Communication between the Select ZB INTERFACE on the Remove the cause if an error occurs transmitter and instrument MANUAL CHECK
104. ure Electrode Electrode lead ECG connection cord INPUT board Check them If one of them has a failure replace it with a new one The respiration waveform and respiration rate are not stable The electrode positions are not appropriate to monitor the respiration Check the electrode positions for respiration measurement One of the following has something wrong or a failure Electrode Electrode lead connection cord INPUT board Check them If one of them has a failure replace it with a new one The respiration rate is inaccurate The respiration waveform is stable Increase the sensitivity by setting the RESP SENS on the ECG ETC window If the respiration waveform is unstable one of the following has something wrong or a failure Electrode Electrode lead ECG connection cord INPUT board Check them If one of them has a failure replace it with a new one 2 6 Service Manual OPV 1500K 2 TROUBLESHOOTING SpO Screen Message Possible Cause Criteria Action Body movement mark The probe is not properly attached to the patient Attach the probe to the patient properly M One of the following has something wrong or a failure Check them If one of them has a failure Probe replace it with a new one SpO connection cord INPUT board SpO LIGHT A surgical light bili
105. us electrical shock or injury by discharged energy To avoid the risk of serious electrical burn shock or other injury during defibrillation all persons must keep clear of the bed and must not touch the patient or any equipment connected to the patient During alarm suspension all current alarms are temporarily turned off When EXIT SLEEP MODE ON ALARM on the SYSTEM SETUP screen is set to NO the bedside monitor alarm cannot be seen or heard on the bedside monitor during sleep mode Attach the transmitter option to the monitor and monitor the bedside monitor alarm on the central monitor or telemetry system Otherwise bedside monitor alarms may be overlooked CAUTION Use only Nihon Kohden specified electrodes probes and cuffs Otherwise the maximum performance from the monitor cannot be guaranteed Do not reuse disposable parts Service Manual OPV 1500K Installation Service Manual OPV 1500K 1 GENERAL e Turn off the power of cell telephones small wireless devices and other devices which produce strong electromagnetic interference Otherwise the waveforms and measurements are affected by such interference and the displayed data may be incorrect Before monitoring a new patient first delete all data of the previous patient Otherwise the data of the previous patient and new patient will be mixed together Alarm recording is not performed when alarm is suspended or alarm recording is set to off When the alar
106. use this monitor in the presence of any flammable anesthetic gas concentrated oxygen or hyperbaric oxygen Failure to follow this warning may result in explosion e Never use the monitor in a high pressure oxygen medical care tank Failure to follow this warning may cause explosion or fire e When using this monitor with an electrosurgery unit its return plate and the electrodes for monitoring must be firmly attached to the patient If the return plate is not attached correctly it may burn the patient s skin where the electrodes are attached Refer to the instruction manual for the ESU When performing MRI tests remove the electrodes and transducers connected to the monitor from the patient The heat generated from the induced electromotive force may burn the patient s skin For details refer to the instruction manual for the MRI When performing defibrillation discharge as far as possible from electrodes and medicine on the chest of the patient If there is a possibility that the defibrillator paddle could touch electrodes and medicine remove electrodes and medicine from the patient If the defibrillator directly contacts these materials the discharged energy may cause serious electrical burn to the patient Before performing defibrillation check that the cords and cables of the electrodes and transducers attached to the patient are properly connected to the monitor Touching the metal parts of disconnected cords and cables may cause serio
107. ve the 3 hexagonal spacer bolts which secure the CONTROL board to the PRINTER CN board Remove the CONTROL board from the PRINTER CN board Service Manual OPV 1500K 5 5 5 DISASSEMBLY AND ASSEMBLY Removing the PRINTER CN Board 12 Remove the 2 screws which secure the PRINTER CN board to the recorder unit guide Remove the PRINTER CN board from the recorder unit guide Removing the Power Supply Unit 13 Remove the 2 screws which secure the top chassis to the chassis block Remove the top chassis from the chassis block The power supply unit can be seen 14 Disconnect the 2 wire harnesses from the power supply unit and remove the 4 screws which secure the power supply unit to the chassis block Remove the power supply unit from the chassis block 5 6 Service Manual OPV 1500K 5 DISASSEMBLY AND ASSEMBLY Replacing the Lithium Battery Service Manual OPV 1500K Perform the following procedure after the Removing the CONTROL Board procedure CAUTION Use a glove to handle the new lithium battery If you touch it with your bare hand it may cause an increase of resistance at the battery terminals and shorten the lifetime Never charge short circuit disassemble deform heat or throw the battery into fire This may cause overheating explosion or fire Before disposing of the baitery cover it with insulation tape to prevent short circuit between the positive and negative terminals Otherwise the ba
108. wer Panel Power lamp Lights when the monitor is turned on AC power lamp Lights when the power cord is connected between the AC SOURCE socket and AC outlet 25 Battery charging lamp V T Indicates the battery status Lit Fully charged Power key Blinking Being charged Press and hold for more than one second to turn the monitor on or off Battery power lamp Lights when operating on battery power 1 20 Service Manual OPV 1500K 1 GENERAL Socket Panel CA CNIBP R A A EGGS se Ec E 99 ECG RESP socket NIBP socket Connects to the ECG connection cord Connects to the air hose SpOz socket Connects to the SpO connection cord Right Side Panel RG 101W recorder unit option Service Manual OPV 1500K 1 21 1 GENERAL Rear Panel EN Alarm pole socket ION ID EIN Connects the YL 001P y x alarm pole optional 77 XY 100 to 240V A Fuse holder r 1 1 ZB socket T E EN 0 i 8 Q Y Connects ZB

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