Toro Reelmaster 5010- H - Fault 56: SVRV out

Fault56:SVRVOut
InfoCenterDisplay:
_____ FAULT#56 _____
SVRVOUT
FaultDescription
TheoutputcurrentistoohighfromtheTEC-5002totheSVRVhydrauliclift/lowersolenoid.
Note:TheSVRVsolenoidisalsoreferredtoastheSV4solenoid.
CircuitDescription
TheTECcontrollerusesinputsfromvariousmachineswitchestodeterminewhenliftmanifoldsolenoidvalves
(SV1,SV2,SV3,andSVRV)aretobeenergized.
ConditionsforSettingtheFault
TheremustbeanelectricalfailureintheSVRVcircuittotriggerthisfault.Itcouldbedamagedwiring,a
shortedcoil,oramalfunctioningTEC-5002controller.
RecommendedServiceActions
Step1:Verifythatthefaultrepeats.
1.ClearthesystemfaultsfromtheInfoCenter.RefertoClearingFaultsfromtheInfoCenter(page21).
2.Operatethemachine.
Pass
Thefaultdidnotrepeat.GotoReturningtheMachinetoService(page22)andfollowthestepslisted.
Note:Ifthefaultdoesnotrepeat,anisolatedeventhasoccurred.
Fail
Thefaultrepeated.GotoStep2.
Step2:TestthewiringandcoilresistanceofSVRV
ThisStepmeasurestheresistanceofthewiringandthecoilforSVRV.
Useamultimetertotesttheresistancebetweenthefollowingpairoflocations:
LocationHarness
Connector
Pin
Wire
Color
Expected
Reading
ConnectorGraphic
1
Seat
P752
Yellow/
Black
2
Chassisground
Approx.8
ohms
201