Toro 74060 - Troubleshooting Guide

Troubleshooting
SystemErrorMessageStatusLEDSystemActions
IssueDescription
RecommendedCorrectiveAction
ServicetheEngineOil
BlinkRed
Theengineoilservice
isdue.
Replacetheengineoilandlter.
Followtheresetprocedure;referto
EngineOil(page14).
Servicethe
TransmissionOil
BlinkRed
Thetransmissionoil
serviceisdue.
Replacethetransmissionoiland
lter(s).Followtheresetprocedure;
refertoHydraulicTransOil(page14).
LowOilPressure
BlinkRed
SafeTransport
Mode—enginelimited
toEfcientmodeandthe
PTOisdisengaged.
Theengine-oil
pressureisbelow
limit.
Cyclethekeyswitchtoclearthe
fault.Checktheoillevel.Contactan
AuthorizedServiceDealer.
Green
Singlealarmchirpand
enginetemperature
displayashes.
Theengine
temperatureishigh.
Checktheoillevel.Cleandebrisfrom
theengine.Inspecttheenginefan.
ContactanAuthorizedServiceDealer.
EngineOver
Temperature
BlinkRed
SafeTransport
Mode—enginelimited
toEfcientmodeandthe
PTOisdisengaged.
Theengine
temperatureisabove
limit.
Checktheoillevel.Cleandebrisfrom
theengine.Inspecttheenginefan.
ContactanAuthorizedServiceDealer.
FuelLowBlinkRed
Thefuellevelislow.
Checkthefuellevelandaddfuelas
necessary.
SystemOvervoltage
>16VDC
BlinkRed
Disallowclutch
engagement/Disengage
theclutch.
Thesystemvoltageis
excessive(above16
V).
Checkthebatteryandengine
chargingsystem.Contactan
AuthorizedServiceDealer.
SystemVoltageLow
BlinkRed
Systemvoltagebelow
12.3V.
Checkthebatteryandengine
chargingsystem.Contactan
AuthorizedServiceDealer.
SystemUnder
voltage<9VDC
BlinkRed
Disallowclutch
engagement/Disengage
clutch.
Thesystemvoltageis
belowthelowerlimit
of9V.
Checkthebatteryandengine
chargingsystem.Contactan
AuthorizedServiceDealer.
ClutchOvercurrent
BlinkRed
SafeTransport
Mode—enginelimited
toEfcientmodeandthe
PTOisdisengaged.
Theclutchcurrentis
abovethelimit.
Cyclethekeyswitchtoclearthe
fault.CheckthePTOclutchcondition
andtherelatedwiring.Contactan
AuthorizedServiceDealer.
ClutchResetRequired
Alternating
green/orange
ThePTOswitchis
engagedandthe
modulehaslatched
theclutchoutputOff.
CyclethePTOswitchtotheOFF
positionandbacktotheONposition
toengagetheclutch.
ClutchOutputFault
BlinkRed
Theclutchoutputhas
ashortorisopen.
IftheclutchisstuckintheONposition,
discontinueuseandcontactan
AuthorizedServiceDealer.Check
theclutchconnectionandassociated
wiringforanopencircuit.
EngineMILErrorsBlinkRed
TheECUhasdetected
afault.
Seetheengineowner’smanualforthe
errordescriptionandtroubleshooting
information.
Engine
CommunicationError
BlinkRed
Thecommunication
betweenthemodule
andtheengineECU
hasbeenlost.
Checktheelectricalconnectionsat
themodule,interconnectbetween
theenginewireharness,andchassis
harness.Checktheconnections
attheengineECU.Contactan
AuthorizedServiceDealer.
Module
CommunicationError
BlinkRed
SafeTransport
Mode—enginelimited
toEfcientmodeandthe
PTOisdisengaged.
Thecommunication
betweentheLDU
moduleandMCU
modulehasbeenlost.
Checktheelectricalconnectionsat
theLDUandMCUmodule.
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