Toro Greensmaster TriFlex 3400 - Fault 78: SRV Coil - Overcurrent

Fault78:SRVCoil-Overcurrent
InfoCenterDisplay:
_____FAULT#78_____
SRVCOIL-OVER
FaultDescription
ThisfaultisreportedwhentheprimaryTEC-5001controllerdeterminesthattheSRVcoilcurrentistoohigh.
Note:TheSRVsolenoidisalsoreferredtoasthePRVsolenoid.
CircuitDescription
TheprimaryTEC-5001controllerusesinputsfromvariousmachineswitchestodeterminewhentoenergizemow
manifoldsolenoidvalves.OneoutputfromtheprimaryTEC-5001controllerdrivesthecoilforsolenoidSRV.
RecommendedServiceActions
Step1:Verifythatthefaultrepeats.
1.ClearthesystemfaultsfromtheInfoCenter.RefertoClearingFaultsfromtheInfoCenter(page19).
2.Operatethemachine.
Pass
Thefaultdidnotrepeat.GotoReturningtheMachinetoService(page21)andfollowthestepslisted.
Note:Ifthefaultdoesnotrepeat,anisolatedeventhasoccurred.
Fail
Thefaultrepeated.GotoStep2.
Step2:TesttheresistanceofthecoilforsolenoidSRV.
1.GotoPreparingforTroubleshootingand/orTesting(page20)andfollowthestepslisted.
2.Removetheleftsidecover(Figure117).
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