Fault55:SV3Out
InfoCenterDisplay:
_____ FAULT#55 _____
SV3OUT
FaultDescription
TheoutputcurrentistoohighfromtheTEC-5002totheSV3hydrauliclift/lowersolenoid.
CircuitDescription
TheTECcontrollerusesinputsfromvariousmachineswitchestodeterminewhenliftmanifoldsolenoidvalves
(SV1,SV2,SV3,andSVRV)aretobeenergized.
ConditionsforSettingtheFault
TheremustbeanelectricalfailureintheSV3circuittotriggerthisfault.Itcouldbedamagedwiring,ashorted
coil,oramalfunctioningTEC-5002controller.
RecommendedServiceActions
Step1:Verifythatthefaultrepeats.
1.ClearthesystemfaultsfromtheInfoCenter.RefertoClearingFaultsfromtheInfoCenter(page21).
2.Operatethemachine.
Pass
Thefaultdidnotrepeat.GotoReturningtheMachinetoService(page22)andfollowthestepslisted.
Note:Ifthefaultdoesnotrepeat,anisolatedeventhasoccurred.
Fail
Thefaultrepeated.GotoStep2.
Step2:TestthewiringandcoilresistanceofSV3.
ThisStepmeasurestheresistanceofthewiringandthecoilforSV3.
Useamultimetertotesttheresistancebetweenthefollowingpairoflocations:
LocationHarness
Connector
Pin
Wire
Color
Expected
Reading
ConnectorGraphic
1
Seat
P754
White/
Green
2
Chassisground
Approx.
10ohms
Pass
Themeasurementwasgood.GotoStep5.
Fail
Themeasurementwasbad.GotoStep3.
196