Toro Greensmaster TriFlex 3400 - Fault 74: S3 - Current too High

Fault74:S3–CurrentTooHigh
InfoCenterDisplay:
_____FAULT#74_____
S3COIL-OVER
FaultDescription
ThisfaultisreportedwhentheprimaryTEC-5001controllerdeterminesthattheS3coilcurrentistoohigh.
CircuitDescription
TheprimaryTEC-5001controllerusesinputsfromvariousmachineswitchestodeterminewhentoenergizelift
manifoldsolenoidvalves.OneoutputfromtheprimaryTEC-5001controllerdrivesthecoilforsolenoidS3.
RecommendedServiceActions
Step1:Verifythatthefaultrepeats.
1.ClearthesystemfaultsfromtheInfoCenter.RefertoClearingFaultsfromtheInfoCenter(page19).
2.Operatethemachine.
Pass
Thefaultdidnotrepeat.GotoReturningtheMachinetoService(page21)andfollowthestepslisted.
Note:Ifthefaultdoesnotrepeat,anisolatedeventhasoccurred.
Fail
Thefaultrepeated.GotoStep2.
Step2:TesttheresistanceofthecoilforsolenoidS3.
1.GotoPreparingforTroubleshootingand/orTesting(page20)andfollowthestepslisted.
2.Removetherightsidecover(Figure107).
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