Toro Greensmaster TriFlex 3400 - Fault 111: Internal Regulator Overvolt - Starter;Generator

Fault111:InternalRegulatorOvervolt–
Starter/Generator
InfoCenterDisplay:
____FAULT#111___
-INTERNAL
OVERV
FaultDescription
Thisfaultisreportedwhenthecomponentmeasuresmorethan18Vatthestarter/generator’s15Vinternal
regulator.
CircuitDescription
TheS/Gisattachedtotheengineandprovidespowerforthe48Vsystem.Ithasitsownindependentcontroller
toregulatepowergenerationlevels.
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.RefertoChapter6oftheGreensmasterTriFlex3320/3420
ServiceManual.UsetheRemovalprocedureineithertheGeneratorAssembly(Greensmaster3320)sectionor
theGeneratorAssembly(Greensmaster3420),dependingonyourmachine.
Step3:RemovethecontrollerfromtheS/G.
RemovethecontrollerfromtheS/G.RefertoChapter6oftheGreensmasterTriFlex3320/3420ServiceManual.
UsetheapplicablepartsoftheGeneratorAssemblyServicesection.
Step4:InspectthewiringbetweentheS/Gandthecontroller.
TheS/Gandthecontrollereachhavecablingthatconnectstotheothercomponent.Inspectthewiringbetween
thecontrollerandthemotor/generator.
266