Service Manual

CuttingDeckOperatingProblems
Note:CheckInfoCenterDisplayforpossibleoperatoradvisoriesorfaults
wheneverdiagnosingmachineelectricalproblems.
Note:Toengagethemowcircuit,theoperatormustbeintheoperatorseat,the
tractionspeedmustbeintheLOWspeed(mow)position,thePTOswitchmust
beONandthecuttingdeck(s)mustbefullyloweredandinoat.
Problem
PossibleCause
Theseatswitchorcircuitwiringisfaulty.v
Ahydraulicprobleminthemowcircuitexists
(seeMowCircuitProblems(page3–5)).
Thecuttingdecksremainengaged,butshould
not,withnooperatorintheseat.
TheTECcontrollerisfaulty.
Thedeckpositionswitchorcircuitwiringis
faulty.
Ahydraulicprobleminthemowcircuitexists
(seeMowCircuitProblems(page3–5).
Cuttingdeckruns,butshouldnot,whenraised.
DecksshutoffwithPTOswitch.
TheTECcontrollerisfaulty.
Boththedeckpositionswitchorcircuitwiring
andPTOswitchorcircuitwiringarefaulty.
Cuttingdecksrun,butshouldnot,whenraised.
DecksdonotshutoffwiththePTOswitch.
Ahydraulicprobleminthemowcircuitexists
(seeMowCircuitProblems(page3–5).
ThePTOswitchorcircuitwiringisfaulty. Cuttingdecksrun,butshouldnot,when
loweredwithPTOswitchintheOFF
(disengage)position.
TheTECcontrollerisfaulty.
Cuttingdeck(s)donotoperate.Theoperatorisliftingofftheseatswitch.
Thecuttingdecksarenotfullylowered.
TractioncircuitisnotinLOWspeed(mow)
mode.
Hightemperatureofenginecoolantor
hydraulicoilhasdisabledthecuttingdecks.
FuseisfaultypreventingPTOmanifold
solenoidsfrombeingenergized.
Theseatswitchorcircuitwiringisfaulty.
ThePTOswitchorcircuitwiringisfaulty.
Thedeckpositionswitchorcircuitwiringis
faulty.
TheHI/LOWspeedswitchorcircuitwiringis
faulty.
TheTECcontrollerisfaulty.
Hydraulicvalvesolenoid(s)orcircuitwiringto
theaffecteddeck(s)isfaulty.
Ahydraulicprobleminthemowcircuitexists
(seeMowCircuitProblems(page3–5)).
Theengineisdueforstationaryregeneration.
Troubleshooting:Page3–14
Groundsmaster
®
4000-D&4010-D
13202SLRevF