Toro Greensmaster TriFlex 3400 - Fault 29: Master Board Internal Error

Fault29:MasterBoardInternalError
InfoCenterDisplay:
____FAULT#29____
TEC5001MASTER
FAILURE
FaultDescription
ThisfaultisreportedwhentheprimaryTECdetectsahardwarefaultinoneofitsoutputcircuits.Theoutput
circuitisshutoffbutcurrentowisstilldetected.
CircuitDescription
TheprimaryTECmonitorstheconditionofvariousmachineswitchesandsensors(inputs)anddirectselectrical
powertocontrolmachinefunctions(outputs)basedonthestateoftheinputs.TheprimaryTECisprimarily
responsibleformanagingtheenginestartsignalandinterlocks.
RecommendedServiceActions
Step1:Verifythatthefaultrepeats.
1.ClearthesystemfaultsfromtheInfoCenter.RefertoClearingFaultsfromtheInfoCenter(page19).
2.Operatethemachine.
Pass
Thefaultdidnotrepeat.GotoReturningtheMachinetoService(page21)andfollowthestepslisted.
Note:Ifthefaultdoesnotrepeat,anisolatedeventhasoccurred.
Fail
Thefaultrepeated.GotoStep2.
Step2:SwaptheprimaryTECwithaknowngoodunit.
Note:TECcontrollersareprogrammedtospecicmachinemodelandserialnumbers.TECcontrollersdonot
functionuntilprogrammedbyT oroDIAG.
TherearethreeproceduresthatyouneedtoaccomplishaspartofreplacingaTEC.RefertoReplacingaToro
ElectronicController(TEC)(page23).
1.UseT oroDIAGtosavethemachinetimersandcountersleoutoftheoriginalTEC.(page23)
2.ReplacetheTEC.(page24)
3.UseToroDIAGtoprogramtheTEC,andthenrestoretheTD2le.(page25)
4.DuplicatetheoperationofthemachinewhenthefaultoccurredwiththeoriginalprimaryTEC.
Thefaultnolonger
repeats.
GotoReturningtheMachinetoService(page21)andfollowthestepslisted.
Thefaultstillrepeats.ReinstalltheoriginalprimaryTECcontroller.Repeatthediagnosticprocessfor
thisfault.
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