Toro Groundsmaster 4300-D - Page 253

UsingtheInfoCenterDisplayforTroubleshooting(continued)
InthePTOoperationexample,thefollowingqualiersmustbeinthedesired
condition(
)beforeanyoperationOutputscanbeenergized:
•Joystickloweroff
•Mow/transportswitchinLOW(mow)range
•Operatormustbeinseat(seatswitch)
•Enginetemperatureisok
•Enginemustberunning
EngineRPMabove800asreportedbyengineECU
If
anddonotalternatewhenthequalierconditionischanged,the
qualierorthecircuitwiringforthequalierisdamagedandshouldbetested
asdescribed.
8.Pressthemenu/backbutton(asindicatedbythe
atthebottomofthe
screen).Select(highlight)theOutputsandpresstheleft/rightbutton(as
indicatedbythe
atthebottomofthescreen).
9.IfalltheInputsareONandalltheQualiersareintheirdesiredcondition(
),
theOutputsforthemachineoperationshouldbeON.Iftheoutputsremain
OFF,theToroElectronicController(TEC)orTECsoftwaremaybedamaged
andrequirereloadingorreplacement.ContactyourT oroDistributorfor
assistance.
10.IftheoutputslistedontheInfoCenterdisplayareON,andtheoperation
isstillmalfunctioning:
•Testthespecicoutputandoutputwiring;refertoT estingtheElectrical
Components(page5–45).
•T estthehydrauliccomponentsrelatedtotheoperation;refertoChapter
4:HydraulicSystem(page4–1).
InthePTOoperationexample,theoutputsarethefrontMSV1andrear
MSV2solenoidvalves.IfONappearsnexttotheseoutputsontheInfoCenter
display:
•T estthehydraulicsolenoidvalvecoils;refertoHydraulicSolenoidValve
Coils(page5–73).
•Performthecuttingdeckhydrauliccircuittests;refertoChapter4:
HydraulicSystem(page4–1).
Groundsmaster
®
4300-D
Page5–29
ElectricalSystem:Troubleshooting
16226SLRevC