Toro Reelmaster 5010- H - Fault 111: Internal Regulator Overvolt-M;G

Fault111:InternalRegulatorOvervolt—M/G
InfoCenterDisplay:
_____ FAULT#111 _____
Int.Reg.HIV
FaultDescription
Excessivevoltageoccurredatthemotor/generator’s15Vdcinternalregulator,anddisabledthemotor/generator.
CircuitDescription
Themotor/generatorisattachedtotheengineandprovidespowerforthe48Vdcsystem.Ithasitsown
independentcontrollertoregulatepowergenerationlevels.
ConditionsforSettingtheFault
Thisfaultcanonlybetriggeredbyafailureoftheinternalmotor/generatorcontroller.Suchafailurewouldallow
voltagelevelsbeyondengineeringspecicationstoexistinthe48Vdccircuitry.
RecommendedServiceActions
Step1:Verifythatthefaultrepeats.
1.ClearthesystemfaultsfromtheInfoCenter.RefertoClearingFaultsfromtheInfoCenter(page21).
2.Operatethemachine.
Pass
Thefaultdidnotrepeat.GotoReturningtheMachinetoService(page22)andfollowthestepslisted.
Note:Ifthefaultdoesnotrepeat,anisolatedeventhasoccurred.
Fail
Thefaultrepeated.GotoStep2.
Step2:Removethemotor/generatorassemblyfromthemachine.
Removethemotor/generatorassemblyfromthemachine.RefertoChapter5ofthe5010-HServiceManual.
Step3:Removethecontrollerfromthemotor/generator.
Removethecontrollerfromthemotor/generator.RefertoChapter5ofthe5010-HServiceManual.
Step4:Inspectthewiringbetweenthemotor/generatorandthe
controller.
Themotor/generatorandthecontrollereachhavecablingthatconnectstotheothercomponent.Inspectthe
wiringbetweenthecontrollerandthemotor/generator.
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