GE Corometrics 250cx Series Service Manual

GE Healthcare

Corometrics™ 250cx Series Monitor

Service Manual

GE Healthcare

Corometrics™ 250cx Series Monitor

Service Manual

shown herein, or discontinue the product described at any time without notice or obligation. Contact your

GE Representative for the most current information. SuperSTAT™ is the property of GE MEDICAL SYSTEMS Information Technologies, a GE Healthcare Company which is a division of General Electric Corporation. GE and GE Monogram are trademarks of General Electric Company. All other company and product names mentioned may be trademarks of the companies with which they are associated.

Warranty

This product is sold by GE Healthcare with a GE repair warranty period of 12-month to cover labor and parts* (except for the expendable parts like fuses or batteries which have a 30-day warranty) under the terms and conditions set forth in the GE Healthcare Warranty Statement presented to the customer at the point of sale.

* The warranty time may vary in some regions. Refer to the warranty information provided at the point of sale.

ПРЕДУПРЕЖДЕНИЕ

Това упътване за работа е налично само на английски език.

(BG)

(ZH-CN)

(ZH-HK)

• Ако доставчикът на услугата на клиента изиска друг език, задължение на клиента е да осигури превод.

• Не използвайте оборудването, преди да сте се консултирали и разбрали упътването за работа.

• Неспазването на това предупреждение може да доведе до нараняване на доставчика на услугата, оператора или пациентa в резултат на токов удар, механична или друга опасност.

警告

本维修手册仅提供英文版本。

• 如果客户的维修服务人员需要非英文版本，则客户需自行提供翻译服务。

• 未详细阅读和完全理解本维修手册之前，不得进行维修。

• 忽略本警告可能对维修服务人员、操作人员或患者造成电击、机械伤害或其他形式的伤害。

警告

本服務手冊僅提供英文版本。

• 倘若客戶的服務供應商需要英文以外之服務手冊，客戶有責任提供翻譯服務。

• 除非已參閱本服務手冊及明白其內容，否則切勿嘗試維修設備。

• 不遵從本警告或會令服務供應商、網絡供應商或病人受到觸電、機械性或其他的危險。

(ZH-TW)

(HR)

警告

本維修手冊僅有英文版。

• 若客戶的維修廠商需要英文版以外的語言，應由客戶自行提供翻譯服務。

• 請勿試圖維修本設備，除非您已查閱並瞭解本維修手冊。

• 若未留意本警告，可能導致維修廠商、操作員或病患因觸電、機械或其他危險而受傷。

UPOZORENJE

Ovaj servisni priručnik dostupan je na engleskom jeziku.

• Ako davatelj usluge klijenta treba neki drugi jezik, klijent je dužan osigurati prijevod.

• Ne pokušavajte servisirati opremu ako niste u potpunosti pročitali i razumjeli ovaj servisni priručnik.

• Zanemarite li ovo upozorenje, može doći do ozljede davatelja usluge, operatera ili pacijenta uslijed strujnog udara, mehaničkih ili drugih rizika.

VÝSTRAHA

Tento provozní návod existuje pouze v anglickém jazyce.

(CS)

(DA)

(NL)

• V případě, že externí služba zákazníkům potřebuje návod v jiném jazyce, je zajištění

překladu do odpovídajícího jazyka úkolem zákazníka.

• Nesnažte se o údržbu tohoto zařízení, aniž byste si přečetli tento provozní návod a

pochopili jeho obsah.

• V případě nedodržování této výstrahy může dojít k poranění pracovníka prodejního

servisu, obslužného personálu nebo pacientů vlivem elektrického proudu, respektive vlivem mechanických či jiných rizik.

ADVARSEL

Denne servicemanual ndes kun på engelsk.

• Hvis en kundes tekniker har brug for et andet sprog end engelsk, er det kundens ansvar

at sørge for oversættelse.

• Forsøg ikke at servicere udstyret uden at læse og forstå denne servicemanual.

• Manglende overholdelse af denne advarsel kan medføre skade på grund af elektrisk

stød, mekanisk eller anden fare for teknikeren, operatøren eller patienten.

WAARSCHUWING

Deze onderhoudshandleiding is enkel in het Engels verkrijgbaar.

• Als het onderhoudspersoneel een andere taal vereist, dan is de klant verantwoordelijk

voor de vertaling ervan.

• Probeer de apparatuur niet te onderhouden alvorens deze onderhoudshandleiding werd

geraadpleegd en begrepen is.

• Indien deze waarschuwing niet wordt opgevolgd, zou het onderhoudspersoneel, de

operator of een patiënt gewond kunnen raken als gevolg van een elektrische schok, mechanische of andere gevaren.

(EN)

(ET)

WARNING:

This service manual is available in English only.

• If a customer’s service provider requires a language other than English, it is the

customer’s responsibility to provide translation services.

• Do not attempt to service the equipment unless this service manual has been consulted

and is understood.

• Failure to heed this warning may result in injury to the service provider, operator, or

patient from electric shock, mechanical hazards, or other hazards.

HOIATUS

See teenindusjuhend on saadaval ainult inglise keeles

• Kui klienditeeninduse osutaja nõuab juhendit inglise keelest erinevas keeles, vastutab

klient tõlketeenuse osutamise eest.

• Ärge üritage seadmeid teenindada enne eelnevalt käesoleva teenindusjuhendiga

tutvumist ja sellest aru saamist.

• Käesoleva hoiatuse eiramine võib põhjustada teenuseosutaja, operaatori või patsiendi

vigastamist elektrilöögi, mehaanilise või muu ohu tagajärjel.

VAROITUS

Tämä huolto-ohje on saatavilla vain englanniksi.

(FI)

(FR)

(DE)

• Jos asiakkaan huoltohenkilöstö vaatii muuta kuin englanninkielistä materiaalia,

tarvittavan käännöksen hankkiminen on asiakkaan vastuulla.

• Älä yritä korjata laitteistoa ennen kuin olet varmasti lukenut ja ymmärtänyt tämän huolto-ohjeen.

• Mikäli tätä varoitusta ei noudateta, seurauksena voi olla huoltohenkilöstön, laitteiston käyttäjän tai potilaan vahingoittuminen sähköiskun, mekaanisen vian tai muun vaaratilanteen vuoksi.

ATTENTION

Ce manuel d’installation et de maintenance est disponible uniquement en anglais.

• Si le technicien d’un client a besoin de ce manuel dans une langue autre que l’anglais, il incombe au client de le faire traduire.

• Ne pas tenter d’intervenir sur les équipements tant que ce manuel d’installation et de maintenance n’a pas été consulté et compris.

• Le non-respect de cet avertissement peut entraîner chez le technicien, l’opérateur ou le patient des blessures dues à des dangers électriques, mécaniques ou autres.

WARNUNG

Diese Serviceanleitung existiert nur in englischer Sprache.

• Falls ein fremder Kundendienst eine andere Sprache benötigt, ist es Aufgabe des Kunden für eine entsprechende Übersetzung zu sorgen.

• Versuchen Sie nicht diese Anlage zu warten, ohne diese Serviceanleitung gelesen und verstanden zu haben.

• Wird diese Warnung nicht beachtet, so kann es zu Verletzungen des

Kundendiensttechnikers, des Bedieners oder des Patienten durch Stromschläge,

mechanische oder sonstige Gefahren kommen.

(EL)

ΠΡΟΕΙΔΟΠΟΙΗΣΗ

Το παρόν εγχειρίδιο σέρβις διατίθεται μόνο στα αγγλικά.

• Εάν ο τεχνικός σέρβις ενός πελάτη απαιτεί το παρόν εγχειρίδιο σε γλώσσα εκτός των αγγλικών, αποτελεί ευθύνη του πελάτη να παρέχει τις υπηρεσίες μετάφρασης.

• Μην επιχειρήσετε την εκτέλεση εργασιών σέρβις στον εξοπλισμό αν δεν έχετε συμβουλευτεί και κατανοήσει το παρόν εγχειρίδιο σέρβις.

• Αν δεν προσέξετε την προειδοποίηση αυτή, ενδέχεται να προκληθεί τραυματισμός στον τεχνικό σέρβις, στο χειριστή ή στον ασθενή από ηλεκτροπληξία, μηχανικούς ή άλλους κινδύνους.

FIGYELMEZTETÉS

Ezen karbantartási kézikönyv kizárólag angol nyelven érhető el.

(HU)

(IS)

(IT)

• Ha a vevő szolgáltatója angoltól eltérő nyelvre tart igényt, akkor a vevő felelőssége a

fordítás elkészíttetése.

• Ne próbálja elkezdeni használni a berendezést, amíg a karbantartási kézikönyvben

leírtakat nem értelmezték.

• Ezen gyelmeztetés gyelmen kívül hagyása a szolgáltató, működtető vagy a beteg

áramütés, mechanikai vagy egyéb veszélyhelyzet miatti sérülését eredményezheti.

AÐVÖRUN

Þessi þjónustuhandbók er aðeins fáanleg á ensku.

• Ef að þjónustuveitandi viðskiptamanns þarfnast annas tungumáls en ensku, er það

skylda viðskiptamanns að skaa tungumálaþjónustu.

• Reynið ekki að afgreiða tækið nema að þessi þjónustuhandbók hefur verið skoðuð og

skilin.

• Brot á sinna þessari aðvörun getur leitt til meiðsla á þjónustuveitanda, stjórnanda eða

sjúklings frá raosti, vélrænu eða öðrum áhættum.

AVVERTENZA

Il presente manuale di manutenzione è disponibile soltanto in lingua inglese.

• Se un addetto alla manutenzione richiede il manuale in una lingua diversa, il cliente è

tenuto a provvedere direttamente alla traduzione.

• Procedere alla manutenzione dell’apparecchiatura solo dopo aver consultato il presente

manuale ed averne compreso il contenuto.

• Il mancato rispetto della presente avvertenza potrebbe causare lesioni all’addetto alla

manutenzione, all’operatore o ai pazienti provocate da scosse elettriche, urti meccanici

o altri rischi.

(JA)

(KO)

このサービスマニュアルには英語版しかありません。

• サービスを担当される業者が英語以外の言語を要求される場合、翻訳作業はその業

者の責任で行うものとさせていただきます。

• このサービスマニュアルを熟読し理解せずに、装置のサービスを行わないでくださ

い。

• この警告に従わない場合、サービスを担当される方、操作員あるいは患者さんが、

感電や機械的又はその他の危険により負傷する可能性があります。

경고

본 서비스 매뉴얼은 영어로만 이용하실 수 있습니다.

• 고객의 서비스 제공자가 영어 이외의 언어를 요구할 경우, 번역 서비스를 제공하는

것은 고객의 책임입니다.

• 본 서비스 매뉴얼을 참조하여 숙지하지 않은 이상 해당 장비를 수리하려고 시도하지

마십시오.

• 본 경고 사항에 유의하지 않으면 전기 쇼크, 기계적 위험, 또는 기타 위험으로 인해

서비스 제공자, 사용자 또는 환자에게 부상을 입힐 수 있습니다.

BRĪDINĀJUMS

Šī apkopes rokasgrāmata ir pieejama tikai angļu valodā.

(LV)

(LT)

(NO)

• Ja klienta apkopes sniedzējam nepieciešama informācija citā valodā, klienta pienākums ir nodrošināt tulkojumu.

• Neveiciet aprīkojuma apkopi bez apkopes rokasgrāmatas izlasīšanas un saprašanas.

• Šī brīdinājuma neievērošanas rezultātā var rasties elektriskās strāvas trieciena, mehānisku vai citu faktoru izraisītu traumu risks apkopes sniedzējam, operatoram vai

pacientam.

ĮSPĖJIMAS

Šis eksploatavimo vadovas yra tik anglų kalba.

• Jei kliento paslaugų tiekėjas reikalauja vadovo kita kalba – ne anglų, suteikti vertimo

paslaugas privalo klientas.

• Nemėginkite atlikti įrangos techninės priežiūros, jei neperskaitėte ar nesupratote šio

eksploatavimo vadovo.

• Jei nepaisysite šio įspėjimo, galimi paslaugų tiekėjo, operatoriaus ar paciento sužalojimai dėl elektros šoko, mechaninių ar kitų pavojų.

ADVARSEL

Denne servicehåndboken nnes bare på engelsk.

• Hvis kundens serviceleverandør har bruk for et annet språk, er det kundens ansvar å sørge for oversettelse.

• Ikke forsøk å reparere utstyret uten at denne servicehåndboken er lest og forstått.

• Manglende hensyn til denne advarselen kan føre til at serviceleverandøren, operatøren eller pasienten skades på grunn av elektrisk støt, mekaniske eller andre farer.

(PL)

(PT-BR)

OSTRZEŻENIE

Niniejszy podręcznik serwisowy dostępny jest jedynie w języku angielskim.

• Jeśli serwisant klienta wymaga języka innego niż angielski, zapewnienie usługi tłumaczenia jest obowiązkiem klienta.

• Nie próbować serwisować urządzenia bez zapoznania się z niniejszym podręcznikiem serwisowym i zrozumienia go.

• Niezastosowanie się do tego ostrzeżenia może doprowadzić do obrażeń serwisanta, operatora lub pacjenta w wyniku porażenia prądem elektrycznym, zagrożenia mechanicznego bądź innego.

AVISO

Este manual de assistência técnica encontra-se disponível unicamente em inglês.

• Se outro serviço de assistência técnica solicitar a tradução deste manual, caberá ao cliente fornecer os serviços de tradução.

• Não tente reparar o equipamento sem ter consultado e compreendido este manual de assistência técnica.

• A não observância deste aviso pode ocasionar ferimentos no técnico, operador ou paciente decorrentes de choques elétricos, mecânicos ou outros.

ATENÇÃO

Este manual de assistência técnica só se encontra disponível em inglês.

(PT-PT)

(RO)

(RU)

• Se qualquer outro serviço de assistência técnica solicitar este manual noutro idioma, é

da responsabilidade do cliente fornecer os serviços de tradução.

• Não tente reparar o equipamento sem ter consultado e compreendido este manual de

assistência técnica.

• O não cumprimento deste aviso pode colocar em perigo a segurança do técnico, do

operador ou do paciente devido a choques eléctricos, mecânicos ou outros.

ATENŢIE

Acest manual de service este disponibil doar în limba engleză.

• Dacă un furnizor de servicii pentru clienţi necesită o altă limbă decât cea engleză, este

de datoria clientului să furnizeze o traducere.

• Nu încercaţi să reparaţi echipamentul decât ulterior consultării şi înţelegerii acestui

manual de service.

• Ignorarea acestui avertisment ar putea duce la rănirea depanatorului, operatorului sau

pacientului în urma pericolelor de electrocutare, mecanice sau de altă natură.

ОСТОРОЖНО!

Данное руководство по техническому обслуживанию представлено только на английском языке.

• Если сервисному персоналу клиента необходимо руководство не на английском, а на

каком-то другом языке, клиенту следует самостоятельно обеспечить перевод.

• Перед техническим обслуживанием оборудования обязательно обратитесь к

данному руководству и поймите изложенные в нем сведения.

• Несоблюдение требований данного предупреждения может привести к тому, что

специалист по техобслуживанию, оператор или пациент получит удар электрическим током, механическую травму или другое повреждение.

(SR)

(SK)

UPOZORENJE

Ovo servisno uputstvo je dostupno samo na engleskom jeziku.

• Ako klijentov serviser zahteva neki drugi jezik, klijent je dužan da obezbedi prevodilačke

usluge.

• Ne pokušavajte da opravite uređaj ako niste pročitali i razumeli ovo servisno uputstvo.

• Zanemarivanje ovog upozorenja može dovesti do povređivanja servisera, rukovaoca ili

pacijenta usled strujnog udara ili mehaničkih i drugih opasnosti.

UPOZORNENIE

Tento návod na obsluhu je k dispozícii len v angličtine.

• Ak zákazníkov poskytovateľ služieb vyžaduje iný jazyk ako angličtinu, poskytnutie

prekladateľských služieb je zodpovednosťou zákazníka.

• Nepokúšajte sa o obsluhu zariadenia, kým si neprečítate návod na obluhu a

neporozumiete mu.

• Zanedbanie tohto upozornenia môže spôsobiť zranenie poskytovateľa služieb,

obsluhujúcej osoby alebo pacienta elektrickým prúdom, mechanické alebo iné ohrozenie.

ATENCION

Este manual de servicio sólo existe en inglés.

(ES)

(SV)

(SL)

• Si el encargado de mantenimiento de un cliente necesita un idioma que no sea el inglés, el cliente deberá encargarse de la traducción del manual.

• No se deberá dar servicio técnico al equipo, sin haber consultado y comprendido este

manual de servicio.

• La no observancia del presente aviso puede dar lugar a que el proveedor de servicios, el operador o el paciente sufran lesiones provocadas por causas eléctricas, mecánicas o de otra naturaleza.

VARNING

Den här servicehandboken nns bara tillgänglig på engelska.

• Om en kunds servicetekniker har behov av ett annat språk än engelska, ansvarar kunden för att tillhandahålla översättningstjänster.

• Försök inte utföra service på utrustningen om du inte har läst och förstår den här

servicehandboken.

• Om du inte tar hänsyn till den här varningen kan det resultera i skador på serviceteknikern, operatören eller patienten till följd av elektriska stötar, mekaniska faror eller andra faror.

OPOZORILO

Ta servisni priročnik je na voljo samo v angleškem jeziku.·

• Če ponudnik storitve stranke potrebuje priročnik v drugem jeziku, mora stranka zagotoviti prevod.·

• Ne poskušajte servisirati opreme, če tega priročnika niste v celoti prebrali in razumeli.·

• Če tega opozorila ne upoštevate, se lahko zaradi električnega udara, mehanskih ali

drugih nevarnosti poškoduje ponudnik storitev, operater ali bolnik.

(TR)

DİKKAT

Bu servis kılavuzunun sadece ingilizcesi mevcuttur.

• Eğer müşteri teknisyeni bu kılavuzu ingilizce dışında bir başka lisandan talep ederse, bunu tercüme ettirmek müşteriye düşer.

• Servis kılavuzunu okuyup anlamadan ekipmanlara müdahale etmeyiniz.

• Bu uyarıya uyulmaması, elektrik, mekanik veya diğer tehlikelerden dolayı teknisyen, operatör veya hastanın yaralanmasına yol açabilir.

Table of Contents

Compliance ........................................................................................................................................................................xviii

Components of the Certied Systems ..................................................................................................................xviii

Component Description ...............................................................................................................................................xviii

Exceptions ..........................................................................................................................................................................xviii

Monitor System EMC: Immunity Performance ..................................................................................................xviii

About this Manual .................................................................................................................. 1

Scope and Intended Users ............................................................................................................................................. 1

Conventions ............................................................................................................................................................................ 1

User Responsibility .............................................................................................................................................................. 1

References ...............................................................................................................................................................................2

Denitions of Terms ............................................................................................................................................................ 2

Symbols .................................................................................................................................................................................... 3

Important Safety Information ............................................................................................ 5

Warnings, Cautions and Notes ...................................................................................................................................... 6

Electromagnetic Interference ........................................................................................................................................9

Chapter 1: System Description ......................................................................................... 11

1.1 System Overview ....................................................................................................................................................... 11

1.2 Front Panel Controls, Indicators, and Connectors ..................................................................................... 13

1.3 Display Description ................................................................................................................................................... 15

1.3.1 Primary Labor Parameters ..................................................................................................................... 16

1.3.2 Additional Parameters ............................................................................................................................. 16

1.3.3 Waveform ....................................................................................................................................................... 16

1.3.4 Time ................................................................................................................................................................... 16

1.3.5 Softkeys ........................................................................................................................................................... 16

1.4 Rear Panel Descriptions ......................................................................................................................................... 19

1.5 Peripherals Description ........................................................................................................................................... 21

1.5.1 CorometricsTM 340 Telemetry and Mini Telemetry ..................................................................... 21

1.5.2 Quantitative Sentinel/Perinatal System ........................................................................................... 22

1.5.3 Exergen® TAT-5000

TM .............................................................................................................................................................. 22

Table of Contents

1.5.4 DINAMAP® Models PRO Series 100-400 and ProCare ............................................................... 22

1.6 Theory of Operation ................................................................................................................................................ 23

1.6.1 Digital System Processor (DSP) / Display Board ........................................................................... 23

1.6.2 Main Board ..................................................................................................................................................... 25

1.6.3 User-Interface Keypad & Volume/Alarm Keypad Boards ........................................................ 26

1.6.4 Video Decoder Board ................................................................................................................................ 26

1.6.5 Recorder Board ............................................................................................................................................ 26

1.6.6 Communications Board ........................................................................................................................... 26

1.6.7 MSpO2 Connector Board ......................................................................................................................... 26

1.6.8 MSpO2 Carrier Board ................................................................................................................................. 27

1.6.9 FECG/UA Board.............................................................................................................................................27

1.6.10 MECG Board ................................................................................................................................................ 27

1.6.11 Dual Ultrasound Board .......................................................................................................................... 27

1.6.12 Isolated Power Supply Board .............................................................................................................. 28

1.6.13 Front-End Motherboard .........................................................................................................................28

1.6.14 Memory Battery ........................................................................................................................................ 28

Chapter 2: Installation ........................................................................................................ 29

2.1 Time Required for Installation .............................................................................................................................. 29

2.2 Environmental Requirements .............................................................................................................................. 29

2.3 Tool Requirements .................................................................................................................................................... 29

2.4 Installation Procedure ............................................................................................................................................. 29

2.4.1 Strip Chart Recorder Paper Load ......................................................................................................... 29

2.4.2 Peripheral Connections ............................................................................................................................ 31

2.4.3 Power Cord Attachment...........................................................................................................................31

2.4.4 System Conguration ............................................................................................................................... 31

Chapter 3: Maintenance and Checkout .......................................................................... 35

3.1 Procedures Schedule ............................................................................................................................................... 35

3.1.1 Environmental Requirements ................................................................................................................ 36

3.2 Tool Requirements .................................................................................................................................................... 36

3.3 Maintenance and Checkout Procedures ........................................................................................................ 36

3.3.1 Visual Inspection.......................................................................................................................................... 36

3.3.2 Cleaning (Thermal Print Head) .............................................................................................................. 37

3.3.3 Transducer Checks ..................................................................................................................................... 37

3.3.4 Functional Checks ....................................................................................................................................... 38

3.3.5 Pattern Memory Check ............................................................................................................................. 49

3.3.6 NIBP Calibration Check ............................................................................................................................. 52

3.3.7 Electrical Safety Tests ............................................................................................................................... 52

Table of Contents

Chapter 4: Calibration ......................................................................................................... 55

4.1 Calibration Schedule ................................................................................................................................................ 55

4.2 Environmental Requirements .............................................................................................................................. 56

4.3 Tool Requirements .................................................................................................................................................... 56

4.4 Calibration Procedures ........................................................................................................................................... 56

4.4.1 NIBP Calibration Check ............................................................................................................................. 56

4.4.2 Recorder Photosensors Check .............................................................................................................. 59

4.4.3 Recorder Calibration (osets) Check .................................................................................................. 61

Chapter 5: Diagnostics and Troubleshooting ................................................................. 63

5.1 General Troubleshooting Table ........................................................................................................................... 63

5.2 Ultrasound Troubleshooting Table .................................................................................................................... 67

5.3 FECG Troubleshooting Table ................................................................................................................................ 69

5.4 External Uterine Activity Troubleshooting Table.........................................................................................70

5.5 Internal Uterine Activity Troubleshooting Table .........................................................................................72

5.6 MECG Troubleshooting Table ............................................................................................................................... 73

5.7 Blood Pressure Troubleshooting Table ............................................................................................................ 73

5.8 Maternal Pulse Oximetry Troubleshooting Table ....................................................................................... 75

5.9 Main Board Troubleshooting – Voltage Checks ..........................................................................................76

5.10 FECG/UA Board Troubleshooting – Voltage Adjustments .................................................................... 77

5.11 Recorder Troubleshooting .................................................................................................................................. 77

5.11.1 Vertical Oset Adjustment ................................................................................................................... 77

5.11.2 Horizontal Oset Adjustment .............................................................................................................. 79

5.11.3 Light Printing ............................................................................................................................................... 80

Chapter 6: Repair and Replacement Procedures ........................................................... 85

6.1 Top Cover, Top Cover Gasket, and Timekeeping RAM Chip Replacement ...................................... 86

6.2 Speaker Replacement ............................................................................................................................................. 87

6.3 DSP/Display Board Replacement.......................................................................................................................88

6.4 Communication Board Replacement ...............................................................................................................89

6.5 Pneumatics Assembly Replacement ................................................................................................................ 90

6.6 Main Board Replacement ...................................................................................................................................... 92

6.7 Display Assembly Replacement ......................................................................................................................... 93

6.8 Power Switch Assembly Replacement ............................................................................................................ 95

6.9 Trim Knob Control Assembly Replacement .................................................................................................. 96

6.10 Keypads Replacement ......................................................................................................................................... 97

6.11 Main Power Supply / Fan Replacement ....................................................................................................... 99

Table of Contents

Chapter 7: Service Parts ................................................................................................... 117

6.12 Dual Ultrasound Board Replacement .........................................................................................................101

6.13 FECG/UA Board and MECG Board Replacement ....................................................................................102

6.14 SpO2 Carrier Board (with Nellcor/Masimo SpO2 Module) Replacement ....................................103

6.15 Isolated Power Supply Board Replacement .............................................................................................104

6.16 Front-end Motherboard Replacement ........................................................................................................105

6.17 Recorder Assembly and Recorder Door Button Replacement ........................................................107

6.18 Recorder Board Replacement .........................................................................................................................109

6.19 Recorder Stepper Motor Replacement .......................................................................................................110

6.20 Recorder Paper-Out/Paper-Low Photosensor Replacement ...........................................................111

6.21 Recorder Paper-Loading Photosensor Replacement ..........................................................................113

6.22 Recorder Thermal Print Head Replacement ............................................................................................114

6.23 Front Bezel Replacement ..................................................................................................................................115

7.1 Illustrated Parts ........................................................................................................................................................118

7.2 Labels ............................................................................................................................................................................123

7.3 Power Cords ...............................................................................................................................................................124

7.4 FRU List .........................................................................................................................................................................125

Appendix A: Technical Specications ............................................................................. 131

A.1 General Product Specications ........................................................................................................................132

A.2 Strip Chart Recorder Specications ................................................................................................................133

A.3 Operating Modes Specications ......................................................................................................................134

Appendix B: Alarm Summary .......................................................................................... 141

Appendix C: Electromagnetic Compatibility ................................................................ 143

C.1 Manufacturer’s Guidance and Declaration – Electromagnetic Emissions ...................................143

C.2 Manufacturer’s Guidance and Declaration – Electromagnetic Immunity ...................................144

C.3 Recommended Separation Distances ...........................................................................................................146

C.4 Compliant Cables and Accessories .................................................................................................................146

Appendix D: PS320 Fetal Simulator Setup ..................................................................... 149

D.1 Parts Required ..........................................................................................................................................................149

D.2 PS320 Fetal Simulator Setup .............................................................................................................................150

Appendix E: Service Mode Screens .................................................................................. 153

Table of Contents

E.1 Service Lock Screen ................................................................................................................................................154

E.2 Install Options Screens ..........................................................................................................................................155

E.3 Printing Setup Information ..................................................................................................................................159

E.4 Communications Setup Screen .........................................................................................................................159

E.5 Error Log Screen .......................................................................................................................................................160

E.6 Diagnostic Control Screen ...................................................................................................................................161

E.7 J102 Screen ................................................................................................................................................................162

E.8 NIBP Calibration Screen ........................................................................................................................................163

E.9 Setup Screen Defaults ...........................................................................................................................................163

E.9.1 Operator Setup Screens .........................................................................................................................164

E.9.2 Service Mode Screens .............................................................................................................................167

Appendix F: CPU Software Upgrade ................................................................................169

F.1 Tool Requirement .....................................................................................................................................................169

F.2 Upgrade Procedure .................................................................................................................................................169

Appendix G: CorometricsTM 325 Simulator Setup and Use .......................................... 171

G.1 Simulator Setup .......................................................................................................................................................171

G.2 Alarms Check ............................................................................................................................................................171

G.3 MECG Input Check ..................................................................................................................................................174

G.4 FECG Input Check....................................................................................................................................................175

G.5 Ultrasound Input Check .......................................................................................................................................177

G.6 Uterine Activity Check ..........................................................................................................................................178

G.7 Pattern Memory Check ........................................................................................................................................179

G.8 Dual Heart Rate Check (Non-Pattern, FECG/US Modes) .......................................................................180

G.9 Dual Heart Rate Check (Non-Pattern, Dual US Modes) .........................................................................181

G.10 Fetal Movement Detection Check ................................................................................................................182

Compliance

A GE brand Corometrics™ 250cx Series Monitor bears CE mark CE-0459 indicating its conformity with the

provisions of the Council Directive 93/42/EEC concerning medical devices and fullls the essential requirements of Annex I of this directive.

The device is manufactured in India; the CE mark is applied under the authority of Notied Body GMED (0459).

The country of manufacture and appropriate Notied Body can be found on the equipment labeling.

The product complies with the requirements of standard EN 60601-1-2 “Electromagnetic Compatibility— Medical Electrical Equipment” and standard EN 60601-1 “General Requirements for Safety.”

Components of the Certied Systems

The IEC electromagnetic compatibility (EN) standards require individual equipment (components and accessories) to be congured as a system for evaluation. For systems that include a number of dierent equipment that perform a number of functions, one of each type of equipment shall be included in the

evaluation.

The equipment listed below is representative of all possible combinations. For individual equipment certication, refer to the appropriate declarations of conformity.

Component Description

• 250cx Series Maternal/Fetal Monitor

• Model 146 Fetal Acoustic Stimulator

• Intrauterine Pressure Transducer

• FECG Cable/Legplate

• Ultrasound Transducers (x2)

• Blood Pressure Hose and Cu

• MSpO2 Interconnect Cable and Sensor

• MECG Cable

• FECG/MECG Adapter Cable

• Remote Event Marker

• RS-232C Interconnect Cables (x3)

• Central Nurses Station Interconnect Cable

• Model 2116B Keyboard and Interconnect Cable

• Model 1563AAO Telemetry Cable

• Exergen® TAT-5000

• External 15” display

™

Exceptions

None

Monitor System EMC: Immunity Performance

Be aware that adding accessories or components, or modifying the medical device or system may degrade the EMI performance. Consult with qualied personnel regarding changes to the system conguration.

About this Manual

Scope and Intended Users

This service manual describes the installation, maintenance, checkout, calibration and repair of the

CorometricsTM 250cx Series monitor. The intended users for this service manual are biomedical engineering

service providers of the hospitals and GE service personnel.

Conventions

WARNING:

A WARNING statement is used when the possibility of injury to the patient or the operator

exists.

CAUTION:

A CAUTION statement is used when the possibility of damage to the equipment exists.

SENSITIVE TO ELECTROSTATIC DISCHARGE CAUTION

An electrostatic discharge (ESD) Susceptibility symbol is displayed to alert service personnel that the part(s) are sensitive to electrostatic discharge and that static control procedures must be used to prevent damage to the equipment.

User Responsibility

This Product will perform in conformity with the description thereof contained in this manual and

accompanying labels and/or inserts, when assembled, operated, maintained and repaired in accordance

with the instructions provided. This Product must be checked periodically. A defective Product should not be

used. Parts that are broken, missing, plainly worn, distorted or contaminated should be replaced immediately. Should such repair or replacement become necessary, GE Healthcare recommends that a telephone or

written request for service advice be made to the nearest GE Healthcare Regional Service Center. This Product or any of its parts should not be repaired other than in accordance with written instructions provided by GE Healthcare and by GE Healthcare trained personnel. The Product must not be altered without GE Healthcare’s prior written approval. The user of this Product shall have the sole responsibility for any malfunction that results from improper use, faulty maintenance, improper repair, damage or alteration by anyone other than GE

Healthcare.

This Product is intended for use by clinical professionals who are expected to know the medical procedures, practices, and terminology required to monitor obstetrical patients. This manual documents all possible

parameters available in the CorometricsTM 250cx Series monitor. It is the responsibility of each hospital to

ensure that the Labor and Delivery sta is trained in all aspects of the selected model. The CorometricsTM 250cx Series monitor is designed to assist the perinatal sta by providing information regarding the clinical status of the mother and fetus during labor. The monitor does not replace observation and evaluation of the mother and fetus at regular intervals, by a qualied care provider, who will make diagnoses and decide on treatments or

About this Manual

interventions. Visual assessment of the monitor display and strip chart must be combined with knowledge of patient history and risk factors to properly care for the mother and fetus.

WARNING:

This device shall not be repaired other than in accordance with written instructions provided

by GE Healthcare and by GE Healthcare trained personnel.

CAUTION:

Untied States federal law restricts this device to sale by or on the order of a licensed medical

practitioner.

References

The following table lists other manuals pertaining to the CorometricsTM 250cx Series monitor service manual:

References Orderable Part Number

CorometricsTM 250cx Series Monitor Operator’s Manual (English) 2036946-001 Corometrics

Mini Telemetry System Service Manual 2049821-001

Model 340 Service Manual 2006920-001

Fluke® PS320 Fetal Simulator User’s Manual Maternal/Fetal Monitoring Clinical Application Operator’s Manual 15457AA CorometricsTM Fetal Acoustic Stimulator Operator’s Manual 1168AA

Visit www.ukebiomedical.com

Denitions of Terms

Term Denition

BPM Beat Per Minute ECG Electrocardiogram

ESD Electro Static Discharge

FECG Fetal Electrocardiogram FHR Fetal Heart Rate

FAST Fetal Acoustic Stimulation Test FMD Fetal Movement Detection

HBC Heart Beat Coincidence

INOP Inoperable IUPC Intra-Uterine Pressure Catheter LCD Liquid Crystal Display

MECG Maternal Electrocardiogram

NIBP Non-Invasive Blood Pressure

REM Remote Event Marker SpO2 Pulse Oximeter Oxygen Saturation

TOCO Non-invasive method of measuring uterine activity

About this Manual

Term Denition

UA Uterine Activity US Ultrasound

Symbols

This section identies the symbols that are displayed on the CorometricsTM 250cx Series monitor:

Equipment Symbols

TYPE BF EQUIPMENT: Type BF equipment is suitable for intentional external and internal application to the patient, excluding direct cardiac application. Type BF equipment has an

F-type applied part.

DEFIBRILLATOR-PROOF TYPE BF EQUIPMENT: Type BF equipment is suitable for intentional external and internal application to the patient, excluding direct cardiac application. Type BF equipment is type B equipment with an F-type isolated (oating) part. The paddles indicate the equipment is debrillator proof.

TYPE CF EQUIPMENT: Type CF equipment is suitable for intentional external and internal application to the patient, including direct cardiac application. Type CF equipment has an

F-type applied part.

DEFIBRILLATOR-PROOF TYPE CF EQUIPMENT: Type CF equipment is suitable for intentional external and internal application to the patient including direct cardiac application. Type CF equipment is F-type applied part that provides a higher degree of protection against electric shock than that provided by Type BF applied parts.

Consult accompanying documents.

Alternating Current (AC)

Ground Equalization Potential Post

POWER OFF: disconnection from the mains

POWER ON: connection to the mains

European Union Representative

Catalog Number

Serial Number

Manufacturer

About this Manual

Equipment Symbols

practitioner.

disposed as unsorted municipal waste and must be collected separately. Please contact the

Important Safety Information

The service information is important for the safety of both the patient and operator and also serves to enhance equipment reliability.

WARNING:

Before servicing the CorometricsTM 250cx Series monitor, read through this entire manual. As with all medical equipment, attempting to use this device without a thorough understanding of its operation may result in patient or user injury. This device should be serviced only by authorized service personnel. Additional precautions specic to certain procedures are found in the text of this manual.

The information contained in this service manual pertains only to those models of products which are marketed by GE Healthcare as of the eective date of this manual or the latest revision thereof. This service manual was prepared for exclusive use by GE Healthcare service personnel in light of their training and experience as well as the availability to them of parts, proper tools, and test equipment. Consequently, GE Healthcare provides this service manual to its customers purely as a business convenience and for the customer’s general information only without warranty of the results with respect to any application of such information.

Furthermore, because of the wide variety of circumstances under which maintenance and repair activities may be performed and the unique nature of each individual’s own experience, capacity, and qualications, the fact that a customer has received such information from GE Healthcare does not imply in any way that GE Healthcare deems said individual to be qualied to perform any such maintenance or repair service. Moreover, it should not be assumed that every acceptable test and safety procedure or method, precaution, tool, equipment, or device is referred to within, or that abnormal or unusual circumstances may not warrant or suggest dierent or additional procedures or requirements. This manual is subject to periodic review, update, and revision. Customers are cautioned to obtain and consult the latest revision before undertaking any service of the equipment.

WARNING:

The user or service sta should dispose of all the waste properly as per federal, state, and local waste disposal regulations. Improper disposal could result in personal injury and environmental

impact

Do not use malfunctioning equipment. If the system is under warranty, contact GE technical support at the number on the back of the manual PRIOR to performing any repairs on the system.

Important Saftey Information

Warnings, Cautions and Notes

WARNING:

ACCIDENTAL SPILLS: In the event that uids are accidentally spilled on the monitor, take the monitor out of operation and inspect for damage.

WARNING:

APPLICATION: This monitor is not designed for direct cardiac connection.

WARNING:

CONDUCTIVE CONNECTIONS: Avoid making any conductive connections to applied parts (patient connection) which are likely to degrade safety.

WARNING:

CONDUCTIVE PARTS: Ensure that the conductive parts of the lead electrodes and associated

connectors do not contact other conductive parts including earth.

WARNING:

CONNECTIONS: The correct way to connect a patient to the monitor is to plug the electrode leads into the patient cable which in turn connects to the monitor. The monitor is connected to the wall socket by the power cord. Do not plug the electrode leads into the power cord, a wall socket, or an

extension cord.

WARNING:

DEFIBRILLATION: During debrillation, all personnel must avoid contact with the patient and monitor to avoid a dangerous shock hazard. In addition, proper placement of the paddles in relation to the electrodes is required to minimize harm to the patient.

WARNING:

DEFIBRILLATION PROTECTION: When used with the GE-recommended accessories, the monitor is protected against the eects of debrillator discharge. If monitoring is disrupted by the debrillation,

the monitor will recover.

WARNING:

ELECTRICAL SHOCK: To avoid electrical shock hazard, do not operate the monitor with the top cover

removed.

WARNING:

ELECTROMAGNETIC INTERFERENCE: Strong electromagnetic elds may interfere with monitor operation. Interference prevents the clear reception of signals by the monitor. If the hospital is close to a strong transmitter such as TV, AM or FM radio, police or re stations, a HAM radio operator, an airport, or cellular phone, their signals could be picked up as monitor signals. If you feel interference is aecting the monitor, contact your service representative to check the monitor in your environment. Refer to Electromagnetic Interference section for additional information.

WARNING:

ELECTROSURGERY: The monitor is not designed for use with high-frequency surgical devices. In addition, measurements may be aected in the presence of strong electromagnetic sources such as electrosurgery equipment.

Important Saftey Information

WARNING:

EXPLOSION HAZARD: Do not use this equipment in the presence of ammable anesthetics or inside

an oxygen tent.

WARNING:

GROUNDING: To avoid electrical shock hazard to the patient or the operator, do not defeat the three-wire grounding feature of the power cord by means of adaptors, plug modications, or other

methods.

WARNING:

INOPERABLE MECG: The MECG trace is not visible during a LEADS OFF condition or an overload (saturation) of the frontend amplier during dierential input voltage of more than ±300mV.

WARNING:

INSTRUCTIONS: For continued and safe use of this equipment, it is necessary to follow all listed

instructions. However, the instructions provided in this manual in no way supersede established

medical procedures concerning patient care. The monitor does not replace observation and evaluation of the patient, at regular intervals, by a qualied care provider who will make diagnoses

and decide on treatments and interventions

WARNING:

INTERFACING OTHER EQUIPMENT: Monitoring equipment must be interfaced with other types of medical equipment by qualied biomedical engineering personnel. Consult manufacturers’ specications to maintain safe operation.

WARNING:

LEAKAGE CURRENT TEST: The interconnection of auxiliary equipment with this device may increase the total leakage current. When interfacing with other equipment, a test for leakage current must be performed by qualied biomedical engineering personnel before using with patients. Serious injury or death could result if the leakage current exceeds applicable standards. The use of accessory equipment not complying with the equivalent safety requirements of this equipment may lead to a reduced level of safety of the resulting system. Consideration relating to the choice shall include: use of the accessory in the patient vicinity; and evidence that the safety certication of the accessory has been performed in accordance with the appropriate EN60601.1 harmonized

national standard.

WARNING:

LINE ISOLATION MONITOR TRANSIENTS: Line isolation monitor transients may resemble actual cardiac waveforms, and thus cause incorrect heart rate determinations and alarm activation (or inhibition).

WARNING:

MRI USE: Do not use the electrodes during MRI scanning. Conducted current could potentially cause

burns.

WARNING:

PATIENT CABLES AND LEADWIRES: Do not use patient cables and electrode leads that permit direct connection to electrical sources. Use only “safety” cables and leadwires. Use of non-safety patient cables and leadwires creates risk of inappropriate electrical connection which may cause patient

shock or death.

Important Saftey Information

WARNING:

PACEMAKER PATIENTS: Rate meters may continue to count the pacemaker rate during occurrences of cardiac arrest or some arrhythmias. Do not rely entirely upon rate meter alarms. Keep pacemaker patients under close surveillance. For disclosure of the pacemaker pulse rejection capability of the monitor, refer to Appendix A.

WARNING:

RF INTERFACE: Known RF sources, such as cell phones, radio or TV stations, and two-way radios, may cause unexpected or adverse operation of this device.

WARNING:

SIMULTANEOUS DEVICES: Do not simultaneously connect more than one device that uses electrodes to detect ECG and/or respiration to the same patient. Use of more than one device in this manner may cause improper operation of one or more of the devices.

WARNING:

STRANGULATION: Make sure all patient cables, leadwires, and tubing are positioned away from the patient’s head to minimize the risk of accidental strangulation.

WARNING:

WATER BIRTHS: Do not use the monitor to directly monitor patients during water births, in whirlpool

or submersion water baths, during showers, or in any other situation where the mother is immersed

in water. Doing so may result in electrical shock hazard.

WARNING:

EXTERNAL VGA CONNECTIONS: Connect only to GE-recommended display. ONLY remove cover plate if external display is used.

WARNING:

TELEMETRY CONNECTIONS: Connect only to GE-recommended telemetry system. Contact your GE service representative for more information.

WARNING:

COLOR DISPLAY: Certain colors may have limited visibility at a distance. Color-blind individuals may experience this more often.

WARNING:

EXERGEN® TAT-5000™: Cable assembly 2036641-001, 2036641-002, 2036641-003, and 2036641-

004 cannot be eld serviced. Do NOT attempt any repairs to this assembly. This assembly must be returned to the factory for any repairs. This assembly, as shipped, is important to patient safety.

WARNING:

DISPOSAL: This product consists of devices that may contain mercury, which must be recycled or disposed of in accordance with local, state, or country laws. (Within this system, the backlight lamps in the monitor contain mercury).

CAUTION:

ANNUAL SERVICING: For continued safety and performance of the monitor, verify the calibration, accuracy, and electrical safety of the monitor annually. Contact your GE service representative.

Important Saftey Information

CAUTION:

DAILY TESTING: It is essential that the monitor and accessories be inspected every day. It is recommended practice to initiate the monitor’s selftest feature at the beginning of each monitoring

session.

CAUTION:

ENVIRONMENT: The performance of the monitor has not been tested in certain areas, such as x-ray and imaging suites. The monitor is not recommended for use in these environments.

CAUTION:

EQUIPMENT CONFIGURATION: The equipment or system should not be used adjacent to, or stacked with, other equipment. If adjacent or stacked use is necessary, the equipment or system should be tested to verify normal operation in the conguration in which it is being used.

CAUTION:

PERFORMANCE: Report all problems experienced with the monitor. If the monitor is not working properly, contact your service representative for service. The monitor should not be used if it is not

working properly.

CAUTION:

PINCHING: Keep ngers clear of the paper roller because the roller could pinch your ngers.

CAUTION:

STATIC ELECTRICITY: This assembly is extremely static sensitive and should be handled using

electrostatic discharge precautions.

CAUTION:

TRAPPING: Keep hands, hair, jewelry, and loose clothing away from the paper roller because the

roller could trap these items.

CAUTION:

TRIPPING: Arrange monitoring equipment so that cords and cables do not present a tripping hazard.

Electromagnetic Interference

This device has been tested and found to comply with the limits for medical devices to the IEC 60601-1-2: 2007, EN60601-1-2:2007, Medical Device Directive 93/42/EEC. These limits are designed to provide reasonable protection against harmful interference in a typical medical installation.

However, because of the proliferation of radio-frequency transmitting equipment and other sources of electrical noise in the health-care and home environments (for example, cellular phones, mobile two-way radios, electrical appliances), it is possible that high levels of such interference due to close proximity or strength of a source, may result in disruption of performance of this device.

Refer to the Electromagnetic Immunity information in this product’s service manual for EN 60601-1-2 (2007) Edition 3 compliance information and safety information for this product.

This equipment generates, uses, and can radiate radio frequency energy and, if not installed and used in accordance with these instructions, may cause harmful interference with other devices in the vicinity. Disruption or interference may be evidenced in the form of erratic readings, cessation of operation, or incorrect

Important Saftey Information

functioning. If this occurs, the site of use should be surveyed to determine the source of this disruption, and

actions taken to eliminate the source.

The user is encouraged to try to correct the interference by one or more of the following measures:

• Turn equipment in the vicinity o and on to isolate the oending equipment.

• Reorient or relocate the other receiving device.

• Increase the separation between the interfering equipment and this equipment.

• If assistance is required, contact your GE service representative.

Chapter 1: System Description

1.1 System Overview

The CorometricsTM 250cx Series monitor is a medical device for monitoring maternal/fetal parameters (Fetal Heart Rate, Uterine Activity, Maternal Non-Invasive Blood Pressure, Maternal Pulse Oximetry, and Maternal/ Fetal ECG) in labor and delivery (antepartum, intrapartum, and postpartum care). The monitor is equipped with an LCD display, which provides simultaneous display of fetal and maternal parameters plus the maternal waveforms, and a recorder, which prints continuous trends and alphanumeric data on one strip chart. The

system is compatible with Centricity® Perinatal Clinical Information Systems and other information systems to

streamline capture and archiving of patient data.

The CorometricsTM 250cx Series monitors are oered in two models:

1. Maternal/Fetal monitor (CorometricsTM 259cx): This model supports two Fetal Heart Rate (FHR) channels,

Uterine Activity (TOCO or IUP), Maternal Non-Invasive Blood Pressure (NIBP), Maternal Pulse Oximetry

(MSpO2), Fetal ECG (FECG), and Maternal ECG (MECG).

2. Fetal monitor (CorometricsTM 256cx): This model supports two Fetal Heart Rate (FHR) channels, Uterine

Activity (TOCO or IUP), and Fetal ECG (FECG).

Table 1-1: Monitor Models and Features

Monitor Model Features

Maternal/Fetal monitor (CorometricsTM 259cx)

Fetal Only monitor (CorometricsTM 256cx) US, US2, TOCO, IUP, FECG

Below optional components are also available to order:

A. Software Upgrade CD: The CD can be purchased to upgrade the monitor software to the latest version

using the RS-232 serial port of the monitor.

B. Spectra Alerts option: Each monitor unit can be upgraded to include Spectra Alerts option. This feature

analyzes heart rate and uterine activity data to detect certain abnormal trends and alert the clinician.

C. Fetal Movement Detection option: Each monitor unit can be software upgraded to include the Fetal

Movement Detection (FMD) software option. This feature is designed to detect gross fetal body

movements and body movements with associated limb movement.

US, US2, TOCO, IUP, FECG, MECG, NIBP, MSpO

Chapter 1: System Description

Each monitor unit has its unique 13-Digit product serial number which contains embedded information about the unit manufacturing date and site (See Figure 1-1).

Product Code Description

SDJ 259CX-A (Nellcor, India Build) SDK 259CX-B (Nellcor, US Build) SDL 259CX-C (Masimo, India Build) SDM 259CX-D (Masimo, US Build) SDR 259CX-X (India Build)

Figure 1-1 Global Serial Number Format (13-Digit)

NOTE: For the refurbished (Gold Seal) CorometricsTM 259cx units, the unit serial number ends with letter “R” and

the the serial number label of the unit includes the text “259CX REMANUFACTURED”.

+ 172 hidden pages

GE Corometrics 250cx Series Service Manual

Specifications and Main Features

Frequently Asked Questions

User Manual

Compliance

Component Description

Exceptions

Monitor System EMC: Immunity Performance

About this Manual

Scope and Intended Users

Conventions

User Responsibility

References

Symbols

Important Safety Information

Warnings, Cautions and Notes

Electromagnetic Interference

Chapter 1: System Description

1.1 System Overview