TroubleshootingFault
Codes
ResolvingFaultCodes
Ifthediagnosticlightindicatesasystemfault,performthefollowingprocedures:
•EnteringDiagnosticModeandCheckingtheCodes(page40)
•ResettingtheFaultCodes(page40)
•ExitingDiagnosticMode(page40)
Fault-CodeTable
Fault
Code
DiagnosticLightFlash
Pattern
FaultDescription
FaultCauses
Thewire-harnessconnectorattheTECcontrollerorthe
wireless-controlmoduleisloose,corroded,ordamaged.
Thewireharnessisdamaged;contactyourauthorizedToro
distributor.
11
Flashonce—pause—ash
once—longpause—thenthe
patternrepeats
TheTECcontrollerorthe
wireless-controlmodule
cannotcommunicate.
Thewireless-controlmoduleisdamaged;contactyour
authorizedT oroDistributor.
Associatethehandheldremote;refertothemachine
Operator’sManual
12
Flashonce—pause—ash2
times—longpause—thenthe
patternrepeats
Thesoftwareversionin
theTEC,wireless-control
module,orhandheldremote
isincompatibilitywithoneof
theseothercomponents.
Installthecorrectsoftware;contactyourauthorizedToro
Distributor.
ThehandheldremoteisassociatedwithadifferentProForce
machine.
13
Flashonce—pause—ash3
times—longpause—thenthe
patternrepeats
Wronghandheldremote
associatedwiththe
wireless-controlmodule.
Thehandheldremoteisfromthewrongtypeofmachine,
suchasaMH-400withaProPasshandheld.
Checktheengine-oillevel,andadjusttheoillevelas
necessary.
Theengineoilpressureswitchisdamagedorworn;contact
yourauthorizedToroDistributor.
14
Flashonce—pause—ash4
times—longpause—thenthe
patternrepeats
Theenergizetorun(ETR)
circuitwasinterrupted
becauseoflowoilpressure
(10secondsorlonger).
Thewireharnessisdamaged;contactyourauthorizedToro
Distributor.
Checkthebatterycablecondition.Checkthatthecable
hardwareistight.
Testthebattery,andifneededchargeit;refertotheService
Manual.Replacethebatteryifneeded.
Testtheenginealternator;refertotheServiceManual.
Replacealternatorifneeded.
15
Flashonce—pause—ash5
times—longpause—thenthe
patternrepeats
Theenergizetorun(ETR)
circuitwasinterrupted
becauseoflowmachine
batteryvoltage(lessthan
5.5V).
Testtheenginevoltageregulator/rectier;refertotheService
Manual.Replaceregulator/rectierifneeded.
39