Toro Greensmaster TriFlex 3400 - Fault 21: Model Number Unknown

Fault21:ModelNumberUnknown
InfoCenterDisplay:
____FAULT#21____
TEC5001MASTER
MODEL#UNKNOWN
FaultDescription
ThisfaultisreportedwhentheprimaryTEC-5001hasdeterminedthatthemachine’smodelnumberisnot
recordedinthermware.
CircuitDescription
TheTEC-5001,thethreecuttingunitmotorcontrollers,andtheS/Gcontrollershouldallrecognizethemodel
numberofthemachine.
RecommendedServiceActions
Step1:Verifythatthefaultrepeats.
1.ClearthesystemfaultsfromtheInfoCenter.RefertoClearingFaultsfromtheInfoCenter(page19).
2.Operatethemachine.
Pass
Thefaultdidnotrepeat.GotoReturningtheMachinetoService(page21)andfollowthestepslisted.
Note:Ifthefaultdoesnotrepeat,anisolatedeventhasoccurred.
Fail
Thefaultrepeated.GotoStep2.
Step2:UseToroDIAGtoprogramthemachine.
UseToroDIAGtoreprogramthemachine.Iftherstattempttoreprogramthemachineisunsuccessful,try
reprogrammingthemachineasecondtime.
1.ConnectaPCwithToroDIAGsoftwaretothemachineviaaToroDIAGCable(PartNo.115-1944).Refer
toT oroDIAG–QuickStart(page22).
2.UsetheT oroDIAGsoftwaretoreprogramthemachineinaccordancewithToroDIAGUser’sGuide.
3.DisconnecttheT oroDIAGcablefromthemachine.
4.Installtheleft-handcoverassembly.
5.Operatethemachine.
Pass
Ifreprogrammingthemachinewassuccessful,gotoReturningtheMachinetoService(page
21)andfollowthestepslisted.
Fail
Ifbothattemptstoreprogramthemachineareunsuccessful,gotoStep3.
Step3:SwaptheprimaryTECwithaknowngoodunit.
Note:TECcontrollersareprogrammedtospecicmachinemodelandserialnumbers.TECcontrollersdonot
functionuntilprogrammedbyT oroDIAG.
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