Troubleshooting
CAUTION
Removeallthejewelry,especiallyringsandwatches,beforedoing
anyelectricaltroubleshootingortesting.Disconnectthebattery
cablesunlessthetestrequiresbatteryvoltage.
Fortheeffectivetroubleshootingandrepairs,youmusthaveagood
understandingoftheelectricalcircuitsandcomponentsthatareusedonthis
machine;refertotheElectricalSchematicsinAppendixA—FoldoutDrawings.
Ifthemachinehasanyinterlockswitchesthatarebypassed,connectthe
switchesforthecorrecttroubleshootingandsafety.
Note:UsetheStandardControlModuleinputandoutputLED'swhen
troubleshootinganelectricalproblemoftheGroundsmaster7210machine.
StartingProblems
Problem
PossibleCauses
Alltheelectricalpowerisdead,
includingtheInfoCenterdisplay.
•Thebatteriesaredischarged.
•Thebatterycablesarelooseorcorroded.
•ThefuseF1(15A)tothekeyswitch
isdamaged.
•Thegroundconnectionislooseorcorroded.
•Thekeyswitchorcircuitwiringisdamaged.
Thestartersolenoidclicks,butthe
starterdoesnotcrank.
Note:Ifthestartersolenoidclicks,theproblem
isnotintheinterlockcircuit.
•Thebatterychargeislow.
•Thebatteriesaredischarged.
•Thebatterycablesarelooseorcorroded.
•Thegroundconnectionislooseorcorroded.
•Thewiringatthestartermotorisdamaged.
•Thestartersolenoidorstartermotor
isdamaged.
Nothinghappenswhenyouattempttostart
theengine.TheInfoCenterdisplayoperates
withthekeyswitchintheRUNposition.
•Thetractionleversarenotinthe
NEUTRALLOCKposition.
•Theoperatorseatisunoccupied
ortheparkingbrakeisnotapplied.
•Thetractionneutralswitch(es)
is(are)damagedoroutofadjustment.
•ThePTOswitchisintheON
(up)positionoritisdamaged.
•Theenginecoolanttemperature
isexcessiveortheenginedual
temperatureswitchisdamaged.
•Thebatteryisdischarged.
•Thebatterycablesarelooseorcorroded.
•Thegroundconnectionislooseorcorroded.
•ThefuseF1,F2,F3,and/orF4are/is
damaged.
•Thefusiblelinkharnessatthe
enginestartermotorisdamaged.
•Thewiringintheenginecrankcircuitisloose,
corroded,ordamaged;refertotheElectrical
SchematicsinAppendixA—FoldoutDrawings.
•Thekeyswitchisdamaged.
•Thestartersolenoidwiringis
loose,corroded,ordamaged.
•Thestartersolenoidisdamaged.
•TheStandardControlModuleisdamaged.
ElectricalSystem:Troubleshooting
Page5–16
Groundsmaster7210
16222SLRevC