Toro Greensmaster TriFlex 3400 - Fault 43: Hydraulic Oil Temperature Sensor - Overtemp

Fault43:HydraulicOilTemperatureSensor
–Overtemp
InfoCenterDisplay:
____FAULT#43____
HYD.OILSENSOR
FaultDescription
Thisfaultisreportedwhenthehydraulicuidtemperatureismeasuredabove95ºC(203ºF).Thisfaultcouldbe
theresultofahightemperatureconditioninthehydrauliccircuitoradefectinthetemperaturemonitoringsystem.
CircuitDescription
Thehydraulicuidtemperaturesensorisattachedtothehydraulictank.Theresistanceofthetemperature
sensordecreasesastheuidtemperatureinthetankincreases.Thehydraulicuidtemperaturesensorisan
inputtothestatusdisplayandprovidesinformationforthehydraulictemperaturegauge.
RecommendedServiceActions
Step1:Verifythatthefaultrepeats.
1.ClearthesystemfaultsfromtheInfoCenter.RefertoClearingFaultsfromtheInfoCenter(page19).
2.Operatethemachine.
Pass
Thefaultdidnotrepeat.GotoReturningtheMachinetoService(page21)andfollowthestepslisted.
Note:Ifthefaultdoesnotrepeat,anisolatedeventhasoccurred.
Fail
Thefaultrepeated.GotoStep2.
Step2:Testthehydraulictempsender.
1.Removethehydraulictemperaturesenderfromthemachine.
2.Followtheservicemanualproceduretotestthetempsender.
Pass
Thesenderpassedthefunctiontest.Installitbackintothemachine.GotoStep3.
Fail
Thesenderdidnotpassthefunctiontest.Replacethehydraulictemperaturesender.GotoReturning
theMachinetoService(page21)andfollowthestepslisted.
Step3:Testthecontinuityofthehydraulictempsenderwiring.
1.Disconnectthehydraulictemperaturesenderconnector(P57).
2.DisconnecttheconnectorfromtheprimaryTEC(P01).
3.Usingamultimeter,testthewiresshownbelowforcontinuity.
138