Fault09InternalMotor
InfoCenterDisplay:InternalMotorFault
FaultDescription
Themotorismonitoredforspeedandhigh/lowvoltageconditions.
ConditionsforSettingtheFault
Themotordetectedaninternalfaultcondition.
Possibleconditionsforthisfaultarethatthespeed-positionsensorstatesareinvalidorthemotorisdetectingan
overvoltage/undervoltagecondition.Themotorpowerorthemotorlogiccircuitsindicateanovervoltageconditionwhenthe
circuithasexceeded67.5Vdcandalsoindicateamotorpowerundervoltagewhenthecircuitisunder32Vdc.
Note:Themotormayoperateinanunstableconditionorstopoperating.
RecommendedServiceActions
Step1:Verifythatthefaultrepeats.
1.CleartheInfoCenterfaultlog.RefertoClearingtheInfoCenterFaultLog(page19).
2.Disconnectthebatterypackfor30seconds.RefertoDisconnectingtheBatteryPack(page17).
3.Connectthebatterypack.RefertoConnectingtheBatteryPack(page17).
4.Startandoperatethemachine.RefertotheeFlexOperator’sManual
Pass
Thefaultdidnotrepeat.GotoReturningtheEquipmenttoService(page19)andfollowthe
stepslisted.
Note:Ifthefaultdoesnotrepeat,afalsedetecteventmayhaveoccurred.
Fail
Thefaultrepeated.Gotostep2.
Step2:Checkthechargelevelofthebattery.
ChecktheInfoCenterLCDscreentoensurethatthechargelevelisadequate.Ifthebatteryindicatordoesnotshowatleast1
fullblock,connectthebatterychargertothebatterypackandchargethebatterypacktoatleast40%capacity.
Step3:Remove2accesscoverstoaidtroubleshooting.
Performingthesestepsprovidesaccesstoconnectorsonthewireharnesses.
1.Removetheconsolecover.RefertoConsoleCover(page19).
2.Removethepowercentercover.RefertoPowerCenterCover(page20).
Step4:Checkfor48to64Vdcatthemotor.
RefertotheeFlexServiceManualChapter4,ElectricalSystem,MainContactorsectionforcomponenttesting.
1.RotatethekeyswitchtotheOFFposition.
2.Connectamultimeterbetweenthemaincontactor,terminalJ02/J05(Figure71),andthemainwireharnessP04
connector,pinB(Figure72).
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