Toro Greensmaster TriFlex 3400 - Fault 103: Starter;Generator Temperature Sensor Failure

Fault103:Starter/GeneratorTemperature
SensorFailure
InfoCenterDisplay:
_____FAULT#103____
-SENSOR
FaultDescription
Thisfaultisreportedwhenthetemperaturesensorsinthestarter/generator(S/G)fortheFETandthemotorfail.
CircuitDescription
Therearethreeinternaltemperaturesensorsinthestarter/generator(S/G):FETtemperature,motor
temperature,andlogicboardtemperature.
RecommendedServiceActions
Step1:Verifythatthefaultrepeats.
1.ClearthesystemfaultsfromtheInfoCenter.RefertoClearingFaultsfromtheInfoCenter(page19).
2.Operatethemachine.
Pass
Thefaultdidnotrepeat.GotoReturningtheMachinetoService(page21)andfollowthestepslisted.
Note:Ifthefaultdoesnotrepeat,anisolatedeventhasoccurred.
Fail
Thefaultrepeated.GotoStep2.
Step2:RemovetheS/Gassemblyfromthemachine.
RemovetheS/Gassemblyfromthemachine.RefertoChapter6ofthe3320/3420ServiceManual.Usethe
RemovalprocedureineithertheGeneratorAssembly(Greensmaster3320)sectionortheGeneratorAssembly
(Greensmaster3420),dependingonyourmachine.
Step3:InstallareplacementS/Gassembly.
InstallareplacementS/Gassemblyintothemachine.RefertoChapter6ofthe3320/3420ServiceManual.
UsetheInstallationprocedureineithertheGeneratorAssembly(Greensmaster3320)sectionortheGenerator
Assembly(Greensmaster3420),dependingonyourmachine.
Step4:UseToroDIAGtoprogramtheS/G.
1.ConnectaPCwithT oroDIAGsoftwaretothemachineviaaT oroDIAGCable(PartNo.115-1944).Refer
toT oroDIAG–QuickStart(page22).
2.UsetheToroDIAGsoftwaretoreprogramthemachineinaccordancewithToroDIAGUser’sGuide.The
replacementS/Gcontrollerisprogrammedduringthereprogrammingofthemachine.
3.Onceprogrammingiscomplete,disconnecttheToroDIAGcablefromthemachine.
4.GotoReturningtheMachinetoService(page21)andfollowthestepslisted.
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