Toro Reelmaster 5010- H - Fault 4: Input Pull-Up Enable (IPE) Voltage too Low

Fault4:InputPull-UpEnable(IPE)Voltage
TooLow
InfoCenterDisplay:
_____ FAULT#4 _____
IPEVoltageLO
FaultDescription
InputsfortheTEC-5002controllerarebad.TheInputEnablePull-up(IPE)checkontheTEC-5002hasfailed.
CircuitDescription
TheinternalTEC-5002inputpull-upsarenotbeingproperlypowered.
ConditionsforSettingtheFault
Iftheinputpull-upsarenotbeingproperlypoweredonthecircuitboardfortheTEC-5002controller,theinputs
andoutputsdonotfunctionandtheTEC-5002reportsafault4.
RecommendedServiceActions
Step1:Verifythatthefaultrepeats.
1.ClearthesystemfaultsfromtheInfoCenter.RefertoClearingFaultsfromtheInfoCenter(page21).
2.Operatethemachine.
Pass
Thefaultdidnotrepeat.GotoReturningtheMachinetoService(page22)andfollowthestepslisted.
Note:Ifthefaultdoesnotrepeat,anisolatedeventhasoccurred.
Fail
Thefaultrepeated.GotoStep2.
BecausetheTEC-5002controllerisasolid-statecomponent,thereisnomethodtotestitdirectly.The
TEC-5002maybedamagedifyouattempttotestitwithelectricaltestequipment,suchasadigitalmultimeter.
Step2:ReplacetheTEC.
Note:TECcontrollersareprogrammedtospecicmachinemodelandserialnumbers.TECcontrollersdonot
functionuntilprogrammedbyT oroDIAG.
TherearethreeproceduresthatyouneedtoaccomplishaspartofreplacingaTEC.RefertoReplacingaToro
ElectronicController(TEC)(page26).
1.UseT oroDIAGtosavethemachinetimersandcountersleoutofthemachine.(page26)
2.ReplacetheTEC-5002.(page26)
3.UseToroDIAGtoProgramtheTEC-5002.(page27)
4.GotoReturningtheMachinetoService(page22)andfollowthestepslisted.
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