Toro Reelmaster 5010- H - Fault 60: Main Contactor-Closed

Fault60:MainContactor—Closed
InfoCenterDisplay:
_____ FAULT#60 _____
ContactorClosed
FaultDescription
Themaincontactorclosedfaultindicatesafailureassociatedwithcontrolofthe48Vdccontactor.The
motor/generatormonitorsthe48Vdcbusinanefforttodetectfailuresofthecontactororthecontactorcontrol
circuit.Themotor/generatormeasuresvoltagesonbothsidesofthecontactor.Faultsoccurwhenthevoltages
aresupposedtobedifferent,buttheyarethesame.
CircuitDescription
Themaincontactorexistsinthe48Vdcsystemtoconnectthe48Vdcbatterypacktothemotor/generatorand
cuttingreelmotors.Themotor/generatorcontrollerdetermineswhenthemaincontactorisclosed.
ConditionsforSettingtheFault
Themotor/generatormonitorsthe48Vdcbustodetectfailuresofthecontactororthecontactorcontrolcircuit.
Themotor/generatormeasuresthevoltageonbothsidesofthecontactor.Faultsoccurwhenthevoltages
aresupposedtobedifferent,buttheyarethesame.
RecommendedServiceActions
Step1:Verifythatthefaultrepeats.
1.ClearthesystemfaultsfromtheInfoCenter.RefertoClearingFaultsfromtheInfoCenter(page21).
2.Operatethemachine.
Pass
Thefaultdidnotrepeat.GotoReturningtheMachinetoService(page22)andfollowthestepslisted.
Note:Ifthefaultdoesnotrepeat,anisolatedeventhasoccurred.
Fail
Thefaultrepeated.GotoStep2.
Step2:Checkthevoltageacrossthecoilofthecontactor.
1.Raiseandsupporttheoperator’sseat.
2.Locatethemaincontactorandremovetheprotectivecover.SeeFigure124.
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