StartingProblems
Note:CheckInfoCenterDisplayforpossibleoperatoradvisoriesorfaults
wheneverdiagnosingmachineelectricalproblems.
Problem
PossibleCause
Noelectricalpowertomachine.Thebatteryisdischarged.
Thebatterycablesarelooseorcorroded.
FuseF−B5(2Amp)isfaulty.
Groundconnectiononthemachineisloose
orcorroded.
Theignitionswitchorcircuitwiringisfaulty.
Thebatteryisdischarged.
Startersolenoidclicks,butstarterwillnot
crank.
Thebatterycablesarelooseorcorroded.
Agroundwireorcableislooseorcorroded.
Thewiringatthestartermotorisfaulty.
Thestartersolenoidisfaulty.
Note:Ifthesolenoidclicks,theproblemisnot
intheinterlockcircuit.
Thestartermotorisfaulty.
Theenginecrankshaftseized.
Tractionpedalpositionsensorisoutof
adjustment.
Tractionpedalpositionsensororcircuitwiring
isfaulty.
No“click”,no“crank”,no”start”happenswhen
startattemptismade.InfoCenterdisplay
operateswiththeignitionswitchintheRUN
position.
Theseatswitchorcircuitwiringisfaulty.
Theparkingbrakeswitchorcircuitwiringis
faulty.
Thestartrelayorcircuitwiringisfaulty.
ThePTOswitchisON(engaged).
Note:UseInfoCenterDisplaytoassistwith
identifyingproblem.
Thestartersolenoidorstartermotorisfaulty.
Theengineorfuelsystemismalfunctioning
(seeYanmarServiceManual).
Thewiringharnessconnectors,fusesand
relaysarefaulty(seeChapter6:Electrical
System(page6–1)).
FuseforTECcontroller(s)arefaulty(fuseB5).
Ignitionswitchorcircuitwiringisfaulty.
Nothinghappenswhenstartattemptismade.
InfoCenterdisplayoperateswiththeignition
switchintheONposition.NoOperator
AdvisorydisplayedonInfoCenter.
Startrelayorcircuitwiringisfaulty.
Startersolenoidorstartermotorisfaulty.
Startercranks,butshouldnot,whenthe
tractionpedalisdepressed.
Tractionpedalpositionsensorisoutof
adjustment.
Tractionpedalpositionsensororcircuitwiring
isfaulty.
Enginecranks,butdoesnotstart.
Thefueltankisempty.
Thebatterychargeislow,voltagedropinstart
circuitcables.
Thefuelpumporcircuitwiringisfaulty.
Theengineorfuelsystemismalfunctioning
(seeYanmarServiceManual).
Groundsmaster
®
4500-D/4700-D
Page3–27Troubleshooting:
19245SLRevA