Fault05Communication
InfoCenterDisplay:CommunicationFault
FaultDescription
TheTEC-2401isnotreceivingCAN-busdatafromthemotor.
CircuitDescription
Thetwisted-pairCAN-bussystemestablishesdatapathwaysbetweenthemachinecomponents.Thesignalnamesforthese2
wiresareCAN+(high)andCAN–(low).TheCANbuscircuitprovidestheTEC-2401controllerwithcommunicationto
thebatterypackcontroller,motorcontroller,andInfoCenteruserinterfacedisplay.Thetwisted-pairCANbusfortheeFlex
has2terminators(120ohmseach)..
Note:CommunicationdependsontheCANbus,notontheInfoCenter.Whilethemachinecanfunctionwithoutan
InfoCenter,donotoperatethemachineinthiscondition.
ConditionsforSettingtheFault
TheTEC-2401hasnotreceivedCAN-busdataformorethan2.5seconds.
Note:IftheCANisdownbetweentheInfoCenterandtheTEC,theInfoCenterdoesnotreceivethefaultmessageto
display.IftheCANfailureisbetweenthebatterypackandTEC,thebatterypackshutsdown.TheonlyCANfailurethat
resultsinafaultonthedisplayiswiththemotor.TheotherCANfailuresappearinthefaultlogasanhistoricalevent,
viewableviaToroDIAG.
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:Useamultimetertotestthe2terminatorsandassociatedwiring.
1.Disconnectthebatterypack.RefertoDisconnectingtheBatteryPack(page17).
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