Toro Greensmaster TriFlex 3400 - Fault 17: Motor Speed Stall - Cutting Unit 1; Power to the Cutting Reel Motors; Refer to Figure

Fault17:MotorSpeedStall–CuttingUnit1
InfoCenterDisplay:
____FAULT#17____
1STALLED
FaultDescription
Thisfaultisreportedwhencuttingunit1wasatzeroRPMformorethan3seconds.Insufcienttorqueexists
torotatethereelmotor.
Note:TheGreensmasterTriFlex3320and3420aredesignedtocutshortgrassongolf-coursegreensand
maintainedturfonfairways.WhenusingaTriFlextocutlongergrassonafairwayorintherough,thecutting
unitmotorsmayoverheatsimplybecausetheyarebeingoverworked.Beforetryingtotroubleshootthisfault,
interviewtheoperatoraboutthemowingconditionswhenthefaultoccurred.Thesourceofthefaultmaybeas
simpleasthemachinebeingusedinamanneroutsideitsdesignedpurpose.
Note:IfyourmachinereportsaFault13:HighTemperatureWarning–ReelMotor1andafault17,
troubleshootthefault13rst.Asideeffectofafault13isreducedreelspeed,whichcausesanincreased
chanceofafault17,MotorSpeedStall–ReelMotor1.
CircuitDescription
Allthreecuttingreelmotorsandthestarter/generatorarelinkedonthe48VCANbuscircuit.
RecommendedServiceActions
Step1:Verifythatthefaultrepeats.
1.ClearthesystemfaultsfromtheInfoCenter.RefertoClearingFaultsfromtheInfoCenter(page19).
2.Operatethemachine.
Pass
Thefaultdidnotrepeat.GotoReturningtheMachinetoService(page21)andfollowthestepslisted.
Note:Ifthefaultdoesnotrepeat,anisolatedeventhasoccurred.
Fail
Thefaultrepeated.GotoStep2.
Step2:Checkforanymechanicalinterference.
WARNING
Contactwiththecuttingreelsorothermovingpartscanresultinpersonalinjury.
•Keepngers,hands,andclothingawayfromthecuttingreelsorothermovingparts.
•Neverattempttoturnthecuttingreelsbyhandwhiletheengineisrunning.
1.GotoPreparingforTroubleshootingand/orTesting(page20)andfollowthestepslisted.
2.Disconnectthe48Vpowertothecuttingreelmotors.RefertoConnectingandDisconnectingthe48
VPowertotheCuttingReelMotors(page18).
3.RefertoFigure24tolocatecuttingunit1.
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