GE CAM-14 User manual

GEHealthcare
CAM-14®/CAM-HD®
AcquisitionModules
ServiceManual
2049751-001RevisionC
CAM-14/CAM-HDAcquisition
Module
English
2010-2011GeneralElectric
Company.
AllRightsReserved.

PublicationInformation
Thismanualrefersonlytoversion2oftheCAM–14AcquisitionModule(ProductCodeRNC)andversion1oftheCAM-HDAcquisitionModule
(ProductCodeRNB).Duetocontinuingproductinnovation,specicationsinthismanualaresubjecttochangewithoutnotice.
CAM–14,CAM-HD,andMACaretrademarksownedbyGEMedicalSystemsInformationTechnologiesInc.,aGeneralElectricCompanygoing
tomarketasGEHealthcare.Allothertrademarkscontainedhereinarethepropertyoftheirrespectiveowners.
Thedocument'spartnumberandrevisionappearatthebottomofeachpage.Thefollowingtablesummarizesthedocument'srevision
history.
RevisionHistory(PN2049751–001)
RevisionDateComment
A18December2009Initialrelease
B17March2010UpdatedFunctionalCheckoutRequirementsandPartsList
C17March2011AddedinformationabouttheCAMHDacquisitionmodule.
ToaccessotherGEHealthcaremanuals,gototheCommonDocumentationLibrary(CDL),locatedathttp://www.gehealthcare.com/usen/
service/biomed_tech_selfservice/services_user_doc/products/support.htmlandclickCardiology.
2CAM-14®/CAM-HD®2049751-001C
17March2010

Contents
1Introduction
ProductInformation....................................................................................5
IndicationsforUse....................................................................................5
GeneralDescription...................................................................................5
EquipmentIdentication.............................................................................6
RegulatoryandSafetyInformation.............................................................8
SafetyConventions...................................................................................8
ResponsibilityoftheManufacturer.................................................................8
ServiceInformation.....................................................................................9
ServiceRequirements................................................................................9
AdditionalAssistance.................................................................................9
ManualInformation....................................................................................9
ManualPurpose.......................................................................................9
IntendedAudience....................................................................................9
DocumentConventions.............................................................................10
RelatedDocumentation.............................................................................11
2Maintenance
VisualInspection.......................................................................................14
Cleaning....................................................................................................14
CleaningandDisinfectingAcquisitionModules.................................................14
Cautions................................................................................................15
Storage.................................................................................................16
BatteryCompartmentCleaning...................................................................16
Built-InDiagnosticTests...........................................................................16
FunctionalCheckoutProcedures..............................................................17
Tools....................................................................................................18
VisualInspection......................................................................................18
OperationalChecks..................................................................................18
ElectricalSafetyChecks.............................................................................19
3Troubleshooting
GeneralInformation..................................................................................23
ECGDataNoise.......................................................................................23
TypicalProblemsandSolutions....................................................................23
Einthoven’sTriangle..................................................................................24
ServicingtheAcquisitionModule..............................................................25
DisassemblingtheAcquisitionModule...........................................................26
ReassemblingtheAcquisitionModule............................................................27
2049751-001CCAM-14®/CAM-HD®3

4PartsListsandDrawings
UpperLevelDrawing.................................................................................30
CAM-14AcquisitionModule(P/N900995-002)..........................................31
CAM-HDAcquisitionModule(P/N900995-003).........................................32
4CAM-14®/CAM-HD®2049751-001C

1
Introduction
Thischapterprovidesgeneralinformationrequiredfortheproperuseoftheproduct
andthemanual.Familiarizeyourselfwiththisinformationbeforeusingtheproduct.
ProductInformation
Thissectionprovidestheindicationsforuse,generaldescription,andidentication
informationforboththeCAM-14andCAM-HDacquisitionmodules.Exceptwhere
differencesbetweenthetwoproductsarenoted,thetermsacquisitionmoduleand
devicerefertobothproducts.
IndicationsforUse
Theacquisitionmoduleisintendedtoacquire,digitize,andtransmitanalogECG
signalstoahostunit.Thecircuitryisdesignedtoprotectthehostunitagainstthe
effectsofcardiacdebrillatordischargetoensuredevicerecovery.
Theacquisitionmoduleisintendedtobeusedunderthedirectsupervisionofa
licensedhealthcarepractitioner.
GeneralDescription
TheacquisitionmoduleperformshighresolutionECGdataacquisitionforusewith
hostequipment(restingECGanalysissystemsandexercisesystems).Theacquisition
modulehasthefollowingfeatures:
•ACleadfailbias
•leadoffdetection
•patientisolation
•functionkeycontrolofhostequipmentfunctions
Theacquisitionmoduleprovidespatientelectricalisolationforthehostequipment.
TheminuteECGsignalsfromthepatient’sskinarereceivedbytheelectrodesand
senttotheacquisitionmodulevialeadwires.Theacquisitionmodulethenamplies,
digitizes,andperformsprocessingonthesignals.
2049751-001CCAM-14®/CAM-HD®5

Introduction
EquipmentIdentication
EveryGEHealthcaredevicehasaproductlabelthatidentiestheproductname,part
number,manufacturinginformation,anduniqueserialnumber.Thisinformationis
requiredwhencontactingGEHealthcareforsupport.
Theproductlabelislocatedonthebackoftheacquisitionmodule,asshowninthe
followingillustrations.
ProductLabel
Theproductlabelislaidoutinthefollowingformat.Dependingontheproduct,the
labelmayvaryslightlyinformat,butitcontainsthesameinformation.
ProductLabelFormat
ItemDescription
1Productdescription
2Productpartnumber
3DateofmanufactureinYYYY-MMformat
4Unitserialnumber(See“SerialNumberFormat”onpage7formore
information.)
6CAM-14®/CAM-HD®2049751-001C

Introduction
ProductLabelFormat(cont'd.)
ItemDescription
5Manufacturernameandaddress
6Productbarcode
SerialNumberFormat
Eachdevicehasaserialnumberthatuniquelyidentiesthedeviceandprovides
importantinformationaboutthedevice.Theserialnumberformatisshowninthe
followingillustration:
SerialNumberFormat
ItemNameDescription
1ProductCodeThree-lettercodethatuniquelyidentiesthe
productline.Referto“ProductCodes”onpage
7formoreinformation.
2YearManufacturedTwo-digitcodeidentifyingtheyearthedevice
wasmanufactured.Valuesrangefrom00to99
Forexample:00=2000,04=2004,05=2005
(andsoon).
3FiscalWeek
Manufactured
Two-digitcodeidentifyingtheweekthedevice
wasmanufactured.
Valuesrangefrom01to52.GEHealthcare'sscal
weekscorrespondtothecalendarweek.For
example,01=rstweekinJanuary.
4ProductSequenceFour-digitnumberidentifyingtheorderinwhich
thisdevicewasmanufactured.Valuesrangefrom
000to9999.
5ManufacturingSiteOne-lettercodeidentifyingthesitewherethe
devicewasmanufactured.Forexample,F=
Milwaukee,N=Freiburg,P=Bangalore
6Miscellaneous
Characteristic
Forexample,P=unitisaprototype,R=unitwas
refurbished,U=unitwasupgradedtomeetthe
specicationsofanotherproductcode.
ProductCodes
Theproductcodeidentiesspecicsystemplatforms.Youneedtheproductcode
beforeservicingorrequestingsupportforyourdevice.
Youcanidentifytheproductusingtheserialnumberlistedontheproductlabelon
thebackofthedevice.
2049751-001CCAM-14®/CAM-HD®7

Introduction
RegulatoryandSafetyInformation
Thissectionprovidesinformationaboutthesafeuseandregulatorycomplianceof
thisdevice.Familiarizeyourselfwiththisinformationandreadandunderstandall
instructionsbeforeattemptingtoservicethisdevice.
NOTE:
Disregardingthesafetyinformationprovidedisconsideredabnormaluseof
thisdeviceandcouldresultininjury,lossofdata,andvoidanyexistingproduct
warranties.
SafetyConventions
AHazardisasourceofpotentialinjurytoaperson,property,ortheproduct.
ThismanualusesthetermsDANGER,WARNING,andCAUTIONtopointouthazards
andtodesignateadegreeorlevelofseriousness.Familiarizeyourselfwiththe
followingdenitionsandtheirsignicance.
DenitionsofSafetyConventions
Safety
Convention
Denition
DANGERIndicatesanimminenthazard,which,ifnotavoided,willresultindeath
orseriousinjury.
WARNINGIndicatesapotentialhazardorunsafepractice,which,ifnotavoided,
couldresultindeathorseriousinjury.
CAUTIONIndicatesapotentialhazardorunsafepractice,which,ifnotavoided,
couldresultinminorpersonalinjuryorproduct/propertydamage.
ResponsibilityoftheManufacturer
GEHealthcareisresponsiblefortheeffectsofsafety,reliability,andperformanceon
GE-suppliedhardwareonlyifthefollowingconditionsaremet:
•Assemblyoperations,extensions,readjustments,modications,orrepairsare
carriedoutbypersonsauthorizedbyGEHealthcare.
•Theelectricalinstallationoftherelevantroomcomplieswiththerequirementsof
theappropriatelocal,state,andothergovernmentregulations.
•Theequipmentisusedinaccordancewiththeinstructionsforuse.
8CAM-14®/CAM-HD®2049751-001C

Introduction
ServiceInformation
Thissectionprovidesinformationpertainingtothemaintenanceandservicingofthe
device.FamiliarizeyourselfwiththisinformationbeforerequestingservicefromGE
Healthcareoritsauthorizedrepresentatives.
ServiceRequirements
Regularmaintenance,irrespectiveofusage,isessentialtoensurethatthecomponents
ofthissystemarealwaysfunctionalwhenrequired.
Failureonthepartoftheresponsibleindividual,hospital,orinstitutionusingthis
equipmenttoimplementasatisfactorymaintenanceschedulemaycauseundue
equipmentfailureandpossiblesafetyhazards.
ReferequipmentservicingtoGEHealthcareservicepersonnelorauthorizedservice
agentsonly.Anyunauthorizedattempttorepairequipmentunderwarrantyvoids
thatwarranty.
Itistheuser’sresponsibilitytoreporttheneedforservicetoGEHealthcareoroneof
theirauthorizedagents.
AdditionalAssistance
GEHealthcaremaintainsatrainedstaffofapplicationandtechnicalexpertstoanswer
questionsandrespondtoissuesandproblemsthatmayariseduringtheinstallation,
maintenance,anduseofthisproduct.
ContactyourlocalGEHealthcarerepresentativetorequestadditionalassistance.
ManualInformation
Thissectionprovidesinformationforthecorrectuseofthismanual.
Keepthismanualwiththeequipmentatalltimesandperiodicallyreviewit.You
shouldrequesttrainingassistancefromGEHealthcare,ifneeded.
ManualPurpose
Thismanualsuppliestechnicalinformationforservicerepresentativesandtechnical
personnelsotheycanmaintaintheequipmenttotheassemblylevel.Useitasaguide
formaintenanceandelectricalrepairsconsideredeldrepairable.Wherenecessary
themanualidentiesadditionalsourcesofrelevantinformationand/ortechnical
assistance.
Seetheoperatormanualofthehostsystemforinstructionsnecessarytooperatethe
equipmentsafelyinaccordancewithitsfunctionandintendeduse.
IntendedAudience
Thismanualisintendedforpersonswhouse,maintain,ortroubleshootthisequipment.
2049751-001CCAM-14®/CAM-HD®9

Introduction
DocumentConventions
Thismanualusesthefollowingconventions.
TypographicalConventions
ConventionDescription
BoldTextIndicateskeysonthekeyboard,texttoenter,orhardwareitemssuchas
buttonsorswitchesontheequipment.
Italicized-Bold
Text
Indicatessoftwaretermsthatidentifymenuitems,buttonsoroptionsin
variouswindows.
CTRL+ESCIndicatesakeyboardoperation.Aplus(+)signbetweenthenamesoftwo
keysindicatesthatwhileholdingtherstkey,youshouldpressandrelease
thesecondkey.Forexample,PressCTRL+ESCmeanstopressandholdthe
CTRLkeyandthenpressandreleasetheESCkey.
<space>Indicatesthatyoumustpressthespacebar.Wheninstructionsaregiven
fortypingaprecisetextstringwithoneormorespaces,thepointwhere
youmustpressthespacebarisindicatedas:<space>.Thisensuresthat
thecorrectnumberofspacesareinsertedinthecorrectpositionswithin
theliteraltextstring.Thepurposeofthe<>bracketsistodistinguishthe
commandfromtheliteraltextwithinthestring.
EnterIndicatesthatyoumustpresstheEnterorReturnkeyonthekeyboard.Do
nottypeEnter.
>Thegreaterthansymbol,orrightanglebracket,isaconcisemethodto
indicateasequenceofmenuselections.
Forexample,thestatement“Fromthemainmenu,selectSystem>Setup>
OptionstoopentheOptionActivationwindow”replacesthefollowing:
1.Fromthemainmenu,selectSystemtoopentheSystemmenu.
2.FromtheSystemmenu,selectSetuptoopentheSetupmenu.
3.FromtheSetupmenu,selectOptionstoopentheOptionActivation
window.
Illustrations
Allillustrationsinthemanualareprovidedasexamplesonly.Dependingonsystem
conguration,screensthatappearinthemanualmaydifferfromthescreensasthey
appearonyoursystem.
Allpatientnamesanddataarectitious.Anysimilaritytoactualpersonsis
coincidental.
Notes
Notesprovideapplicationtipsoradditionalinformationthat,whileuseful,arenot
essentialtothecorrectoperationoftheproduct.Theyarecalledoutfromthebody
textthroughaagwordandindentation,asfollows:
NOTE:
ThetiporadditionalinformationappearsindentedbelowtheNOTEagword.
10CAM-14®/CAM-HD®2049751-001C

Introduction
RelatedDocumentation
Youcanndadditionalinformationinthefollowingdocuments:
PartNumberTitle
2046275-016MAC™5500/MAC™5500HDRestingECGAnalysisSystem
OperatorsManual
2046275-017MAC™5500/MAC™5500HDRestingECGAnalysisSystemField
ServiceManual
2046275-018MAC™3500RestingECGAnalysisSystemOperatorsManual
2046275-019MAC™3500RestingECGAnalysisSystemFieldServiceManual
2049751-001CCAM-14®/CAM-HD®11

Introduction
12CAM-14®/CAM-HD®2049751-001C

2
Maintenance
Otherthandailycleaningandoccasionalmaintenancechecksasoutlinedinthis
chapter,theacquisitionmodulerequiresnomaintenance.
Onlyqualiedservicepersonnelshouldattempttorepaircomponentsandassemblies
internaltotheacquisitionmodule.ContactGEHealthcareCustomerSupportfor
repairandreplacementoptions.
WARNING:
PROPERMAINTENANCE—Failureonthepartofallresponsibleindividuals,
hospitals,orinstitutionsemployingtheuseofthisdevice,toimplementthe
recommendedmaintenanceschedulemayresultinequipmentfailureand
possiblehealthhazards.Themanufacturerdoesnot,inanymanner,assumethe
responsibilityforperformingtherecommendedmaintenancescheduleunlessan
equipmentmaintenanceagreementexists.
Thesoleresponsibilityrestswiththeindividuals,hospitals,orinstitutionsutilizing
thedevice.
MaintenanceandRepair
ItemDescription
MaintenanceFrequencyTheendusershouldvisuallyinspectandcleanthe
devicedaily.
Qualiedtechnicalpersonnelshouldperformroutine
maintenancechecksandtestproceduresperthe
FunctionalCheckoutProcedureannually.
RepairGuidelinesEquipmentdescriptionsandserviceinformation
torepaireldreplaceablepartsareavailablein
thisservicemanualforusebyqualiedtechnical
personnel.
2049751-001CCAM-14®/CAM-HD®13

Maintenance
VisualInspection
Inspecttheacquisitionmoduleeachtimeyoucleanitorifyoususpectaproblem.
•Checktheleadwiresandleadwireadaptersforwearandlooseconnections.
Replacethesepartsattherstsignofwear.
•Checkthepinsthattheleadwirespluginto.Theyshouldnotbebentorloose.
ContactGEHealthcareCustomerSupportforanyrepairsneeded.
•Checktheacquisitionmoduleplasticcaseforanydamage.ContactGEHealthcare
CustomerSupportforanyrepairsneeded.
Cleaning
Theexteriorandleadwiresoftheacquisitionmoduleshouldbecleaneddaily.
CleaningandDisinfectingAcquisitionModules
Propercleaninganddisinfectingprolongsthelifeofacquisitiondevices.Failuretouse
thepropercleaningsolutionsortofollowproperprocedurescanresultinthefollowing:
•Appearanceofwaveformswhennotconnectedtoapatient,resultinginfalse
alarmsinsteadofleadfailurealarms
•Brittleandcrackeddevicecase
•Melting,dulling,ordistortionofthecase
•Totaldevicefailure,requiringreplacement
•Unitmalfunction
•Voidedwarranty
Usethefollowingproceduretocleananddisinfectthecablesandleadwires.
1.Removecables,leadwires,andbatteriesfromthedevicebeforecleaning.
Makesuretormlyclosethebatterydoorafterremovingthebatteries.
2.Toclean,wipewithalightlymoistenedcloth.
Useamildsoapandwatersolutiontomoistenthecloth.
DoNOTuseanyofthefollowingcleaningproducts,orproductsthatcontainthe
sameactiveingredientsandsolutions,whichareknowntocausetheproblems
previouslylisted:
•Sani-Cloth®Wipes
•Ascepti®Wipes
•HBQuat®
•Clorox®Wipes(theydonotcontainbleach)
•Over-the-counterdetergents(suchasFantastic®,Tilex®,andsoon)
14CAM-14®/CAM-HD®2049751-001C

Maintenance
3.Todisinfect,wipewithasoft,lint-freeclothmoistenedwithanappropriate
disinfectant.
Usethefollowingsolutions,asrecommendedintheAPICGuidelinesforSelection
andUseofDisinfectants(1996):
•Sodiumhypochlorite(5.2%householdbleach)minimum1:500dilution
(minimum100ppmfreechlorine)andmaximum1:10dilution.
•Anysodiumhypochloritewipeproductthatmeetsthepreviousguidelines
canbeused.
4.Allowthecleaningsolution/disinfectanttoremainonthedeviceforaminimum
ofoneminute,orperhospitalguidelines.
5.Wipeoffthecleaningsolution/disinfectantwithaclean,moistenedcloth.
6.Drythoroughlywithadry,lint-freeclothandletairdryforaminimumof30
minutesbeforeuse.
DONOTuseexcessivedryingtechniques,suchasoven,forcedheat,orsun
drying.
NOTE:
Dryingtimesmayvarybasedontheenvironmentalconditions.
Cautions
•Followthecleaninginstructionsexactly.
•Wringexcessdisinfectantfromwipebeforeusing.
•Neverimmersethedevice,cables,orleadwiresinanyliquid,asthismaycorrode
metalcontactsandaffectsignalquality.
•Donotallowuidtopoolaroundconnectionpins.Ifthishappens,blotdrywitha
soft,lint-freecloth.
•Neveruseconductivesolutionsorsolutionsthatcontainchlorides,wax,orwax
compoundstocleanthedevice,cables,orleadwires.
•NeverusesolutionsorproductsthatcontainanytypeofAmmoniumChloridesuch
as,butnotlimitedto:
•DimethylBenzylAmmoniumChloride
•QuaternaryAmmoniumChloridesolutions
•Abrasivecleanersorsolventsofanykind
•Acetone
•Ketone
•Betadine
•Alcohol-basedcleaningagents
•Sodiumsalts
•Neverautoclaveorsteamcleanthedevice,cables,orleadwires.
•Donotuseuntilthoroughlydry.
2049751-001CCAM-14®/CAM-HD®15

Maintenance
Storage
Usethefollowingguidelineswhenstoringacquisitionmodules:
•Alwaysremovethebatterieswhenthedeviceisnotinuse,evenforshortperiods
oftime.
•Storeinadry,well-ventilatedarea.
•Hangthedevice,usingaholderifavailable.
•Ifleadwiresareattached,theyshouldhangstraight.
•Donotcoilleadwiresorcablesaroundthedevice.
BatteryCompartmentCleaning
NOTE:
Thisprocedureappliesonlyforfrequencyhoppingtelemetrytransceivers.It
shouldnotbeusedforotherdevices.
Undernormaloperation,thebatterycompartmentshouldnotrequirecleaning.Ifthe
batterycompartmentshouldrequirecleaning,usethefollowinginstructions.
CAUTION:
DEVICEMALFUNCTION—Cleaningthebatterycompartmentinamannerother
thanthatdescribedinthefollowingproceduremaycausetheunittomalfunction
andvoidthewarranty.
Thebatterycompartmentisnotwaterproof.Makecertainuidsdonotenterthe
electronicsthroughtheairholesinthebatterycompartmentoor.
1.Removethebatteryfromthebatterycompartment.
2.Cleanthedevicewithagauzepadorclothlightlymoistenedwithoneofthe
followingagents:
•Water
•Soap
3.Useaclothlightlymoistenedwithdistilledwatertorinseawaythecleaning
solution.Makecertainthatmoisturedoesnotentertheelectronicsareabelow
thebatterycompartmentoor.
4.Drythoroughlywithalint-freeclothandallowthebatterycompartmenttoair
drycompletelypriortoclosingthecompartmentdoor.
Built-InDiagnosticTests
Thehostequipmentgenerallycontainsbuilt-indiagnosticteststoverifytheoperation
oftheelectrocardiograph.
Thesebuilt-indiagnostictestsverifytheoperationoftheacquisitionmodule,aswell.
Forexample,thereisatestthatrecordsrawECGdataonthethermalpaper.Thistest
checksfornoiseandgainintheacquisitionmodule.Anothertestisaseriallinktest
thatdeterminesifthemicroprocessorinthehostequipmentiscommunicatingwith
theacquisitionmodule.
Fordetailsonusingthesetests,seetheeldservicemanualforthehostequipment.
16CAM-14®/CAM-HD®2049751-001C

Maintenance
FunctionalCheckoutProcedures
Thefollowingtableidentiesthetoolsandproceduresrequiredtoperformafunctional
checkoutafterreplacingthespeciedFRUorperformingthespeciedtask.Tousethe
table,locatetherelevantFRUortaskintherstcolumnandnotetherequiredTools,
VisualInspections,OperationalCheck,andElectricalSafetyCheck.Then,locatethe
referencedinstructionsinthecorrespondingsectionsthatfollowthetable.
NOTE:
Theeldreplaceableunit(FRU)checkoutprocedureforanylistedFRUalsoapplies
toitsinternalPCBsandcomponents.
Inadditiontothefollowingprocedures,youshouldalsoperformanycheckout
proceduresrequiredbythehostsystem.Refertothehostsystem'seldservice
manualforthehostsystem'scheckoutprocedures.
FunctionalCheckoutRequirements
FRUDescriptionToolsVisual
Inspection
Operational
Check
Electrical
SafetyCheck
FRURepairs
CAM-141,61,2,31,2,3notapplicable
CAM-HD1,61,2,31,2,3notapplicable
Allinternal
FRU's/parts,
Covers,and
fastener
replacements
1,2,3,4,5,61,2,31,2,31,2
Non-FRURepairs
Noparts
replaced
1,5,61,2,31,2,3notapplicable
Annualelectrical
safetycheckout
PerHostDeviceRequirement
2049751-001CCAM-14®/CAM-HD®17

Maintenance
Tools
1.ECGSimulator
2.Standardhandtoolsincludinga#6Torxdriver
3.Currentleakagetester
4.Hipottester
5.Anti-staticwriststrap
6.Applicableserviceand/oroperatormanualasneededforreference
VisualInspection
Inspectthefollowingforexcesswearand/oranyvisualsignsofdamage.
1.Inspectfordefectiveorbrokenpatientcable/leadwiresorout-of-dateelectrodes.
2.Reviewelectrodeplacement,skinprep,andpatientrelatedrequirementswith
theECGTech.
3.Inspectexternalsurfaces.
OperationalChecks
1.Completepower-upself-test.
2.Runasimulatedrecordedrhythmstrip.
3.RunasimulatedrecordedECG.
18CAM-14®/CAM-HD®2049751-001C

Maintenance
ElectricalSafetyChecks
1.Conductcurrentleakageandgroundcontinuitytests.
Performelectricalsafetycheckswhenindicatedintheprecedingtable.All
indicatedelectricalsafetychecksrequireapass/failindicationforthesteps
performed.Recordthemeasurementvaluesinyourdebrief.Referto“Leakage
Tests”onpage19foradditionalinformation.
2.Conductthedielectricwithstandtest.
Referto“DielectricWithstandTest”onpage21foradditionalinformation.
LeakageTests
Theleakagetestsaresafetyteststoensurethattheequipmentposesnoelectrical
healthhazards.Usethefollowingtabletodeterminewhichtestsapplytotheunit
undertestandthemaximumallowableleakagecurrents.Forinternationalleakage
limits,refertotheinternalstandardsagenciesofthatparticularcountry.
Iftheunitundertestfailstheleakagetests,donotallowthecustomertousethe
equipment.CallGEHealthcareCustomerSupportforassistance.
GEHealthcarerecommendsthatyouperformthesetestswiththefollowingfrequency:
•Beforeapplyingpowerforthersttime
•Everyyearaspartofroutinemaintenance
•Wheneverinternalassembliesareserviced
Youneedaleakagetestertoperformtheleakagetests.
NOTE:
Theaccuracyoftheleakagetestsdependsonaproperly-wiredwalloutlet.Donot
proceeduntilyouverifytheintegrityofthepowersource.
WARNING:
Totalsystemleakagecurrentmustnotexceed100microamperes.
2049751-001CCAM-14®/CAM-HD®19

Maintenance
ElectricalSafetyChecks
StepCondition1UUT—ON2ResultLeakage
Current
Limits
PatientLeakageCurrenttoGround
1.Forward
Polarity
NC______µAPass/Fail10µA
2.Neutralopen,
Forward
Polarity
SFC______µAPass/Fail50µA
3.Groundopen,
Forward
Polarity
SFC______µAPass/Fail50µA
4.Groundopen,
ReversePolarity
SFC______µAPass/Fail50µA
5.Neutralopen,
ReversePolarity
SFC______µAPass/Fail50µA
6.ReversePolarityNC______µAPass/Fail10µA
PatientLeakageCurrentMainsonAppliedPart3
1.Forward
PolarityNeutral
/GroundClosed
SFC______µAPass/Fail5000µA
2.ReversePolarity
Neutral/
GroundClosed
SFC______µAPass/Fail5000µA
1.NC=NormalConditionSFC=SingleFaultConditionN/A=NotApplicable
2.UUT=UnitUnderTest
3.AllSIPs/SOPsgrounded
20CAM-14®/CAM-HD®2049751-001C