Service Manual

Greensmaster3370(Model04590)(continued)
Note:Withtheexceptionof12VpowertotheT1:primarycontrollerLogicinput,12Vcontrol
systempowerismadeavailabletothemachinethroughtheshutdowndelayrelay.
•12Vshouldpassthroughthe2Afusein12Vfuseholder2undertherightsidecoverandbe
availableatthetelematicsconnector(connectorP71pin2).
•12Vshouldpassthroughthe10Afusein12Vfuseholder2undertherightsidecoverandbe
availableatterminal30ofthebrakeactuatorrelay(connectorP75pin1).
•12Vshouldpassthroughthe7.5Afusein12Vfuseholder2undertherightsidecover
andbeavailableattheInfoCenterDisplay(connectorP52pin2),theCANbusisolation
module(connectorP50pinA),theparkingbrakeswitch(connectorP06pinA),theT1:primary
controllerPWR2andPWR5terminals(connectorP01pins9and37),andtheT1:primary
controllerKeyRuninput(connectorP01pin25and37).
C.TheT1:primarycontrolleroutputOUT1suppliespowertothelogicrelay.12Vshouldbe
availableatterminal86ofthelogicrelay(connectorP47pin5)energizingtherelaycoil.
•48VlogicpowershouldbeavailableattheT2:cuttingunit1(center)motorcontroller
(connectorP24pin1),T3:cuttingunit2(left)motorcontroller(connectorP26pin1),andT4:
cuttingunit3(right)motorcontroller(connectorP22pin1).
•48VlogicpowershouldbeavailableattheoptionalT5:traction3motorcontroller(connector
P19pin1).
•48VlogicpowershouldbeavailableattheSC2:lift/lower1(center)actuatorcontroller
(connectorP62pin2),SC3:lift/lower2(left)actuatorcontroller(connectorP61pin2),and
SC4:lift/lower3(right)actuatorcontroller(connectorPX59pin2).
•48VlogicpowershouldbeavailableattheSC7:steeringmotor/controller(connectorP46
pin15).
•48VlogicpowershouldbeavailableattheSC5:traction1(right)motorcontroller(connector
P35pin10),andSC6:traction2(left)motorcontroller(connectorP34pins10and32).
•48VpowershouldbeavailableattheSC6:prechargecontrollerPrechargeinput(connector
P02pin6).
•48VpowershouldbeavailableatthemaincontactorandthetractionmotorcontactorH
terminal(lowercoilterminal).
D.TheT6:prechargecontrollerPrechargeoutputsuppliescontrollerprechargepowertotheT2:
cuttingunit1(center)motorcontroller,T3:cuttingunit2(left)motorcontroller,T4:cuttingunit3
(right)motorcontroller,andtheoptionalT5:traction3motorcontroller.
E.Ifprechargeissuccessful,theT1:primarycontrollersendsaCANmessagetotheT6:precharge
controllertoclosethemaincontactor.TheprechargecontrollerusestheoutputOUT2to
provideapathtogroundforthemaincontactorBterminal(rightsidemainterminal)toenergize
thecontactorcoil.Listenforthe“Click”fromthemaincontactortoquicklyconrmcontactor
operation.48Vbuspowershouldbeavailableatthecuttingunitmotorcontrollers,theoptional
3WDtractionmotorcontroller,andatthelift/loweractuatorcontrollers.
F.Ifthesteeringandtractionsystemsarecalibrated,theSC5:traction1(right)motorcontrollerwill
closethetractionmotorcontactor.ThetractionmotorcontrollerusestheoutputNMCtoprovidea
pathtogroundforthetractionmotorcontactorBterminal(rightsidemainterminal)toenergizethe
contactorcoil.Listenforthe“Click”fromthetractionmotorcontactortoquicklyconrmcontactor
operation.48Vbuspowershouldbeavailableateachofthefronttractionmotorcontrollers.
Troubleshooting:Greensmaster3370(Model04590)
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Greensmaster®eTriFlex3360and3370
19239SLRevC