Toro Groundsmaster 4500-D Series User Manual

CuttingDeckOperatingProblems
Note:CheckInfoCenterDisplayforpossibleoperatoradvisoriesorfaults
wheneverdiagnosingmachineelectricalproblems.
Note:Toengagethemowcircuit,theoperatormustbeintheoperatorseat,the
tractionspeedmustbeintheLOWspeed(mow)position,thePTOswitchmust
beONandthecuttingdeck(s)mustbefullyloweredandinoat.
Problem
PossibleCause
Thecuttingdeckpositionswitchorcircuit
wiringisfaulty.
Wireharnessconnectionsareincorrectly
connectedtohydraulicsolenoidvalvecoilson
hydraulicdeckcontrolmanifold.
Ahydraulicprobleminthemowcircuitexists
(seeGeneralHydraulicSystemProblems
(page3–3)).
Cuttingdecksrun,butshouldnot,whenraised.
DecksshutoffwithPTOswitch.
TheTECcontrollerisfaulty.
Thedeckpositionswitchorcircuitwiringand
PTOswitchorcircuitwiringarefaulty.
Ahydraulicprobleminthemowcircuitexists
(seeGeneralHydraulicSystemProblems
(page3–3)).
Cuttingdecksrun,butshouldnot,whenraised.
DecksdonotshutoffwiththePTOswitch.
TheTECcontrollerisfaulty.
ThePTOswitchorcircuitwiringisfaulty. Cuttingdecksrun,butshouldnot,when
loweredwithPTOswitchintheOFF
(disengage)position.
TheTECcontrollerisfaulty.
Theoperatorisliftingofftheseatswitch.
Thecuttingdecksarenotfullylowered.
Cuttingdeck(s)donotoperateandOperator
AdvisoryisdisplayedonInfoCenter(see
OperatorAdvisories(page3–10)).
TractioncircuitisnotinLOWspeed(mow)
mode.
Cuttingdeck(s)donotoperateandno
OperatorAdvisoryisdisplayedonInfoCenter.
Hightemperatureofenginecoolantor
hydraulicoilhasdisabledthecuttingdecks.
FuseisfaultypreventingPTOmanifold
solenoidsfrombeingenergized(fuseB−1or
B−2).
Theseatswitchorcircuitwiringisfaulty.
ThePTOswitchorcircuitwiringisfaulty.
Thedeckpositionswitchorcircuitwiringis
faulty.
TheAuto/LOWmodeswitchorcircuitwiring
isfaulty.
Hydraulicvalvesolenoid(s)orcircuitwiringto
theaffecteddeck(s)isfaulty.
Ahydraulicprobleminthemowcircuitexists
(seeGeneralHydraulicSystemProblems
(page3–3)).
TheTECcontrollerisfaulty.
Groundsmaster
®
4500-D/4700-D
Page3–29Troubleshooting:
19245SLRevA

Toro Groundsmaster 4500-D Series Specifications

General

Brand	Toro
Model	Groundsmaster 4500-D Series
Category	Lawn Mower
Language	English