Toro 34230 - Page 78

TroubleshootingtheSpeaderandSprayerControllers
Problem
PossibleCauseCorrectiveAction
Thespreaderinformationdisplayor
sprayerinformationdisplayshowsfault
core!02.
1.Thespreadercontrollerorthesprayer
controllerdetectsexcessiveelectrical
currenttothemotor.
1.Spreader—checkimpellerandhopper
forobstructionsthatmayaddan
excessiveloadtotheimpellermotor.
Spreaderorsprayer—checkthe
electricalcircuitstothemotorfora
shortcircuit.T aptheimpellercontrol
switchorthesprayer-pumpswitchto
startthespreaderorsprayermotor.
Thespreaderinformationdisplayshows
faultcore!04.
1.Thespreadercontrollerdoesnot
detectthemotorfeedbackvoltage.
1.Checkthatpin18(MOTORIN)isseated
andlockedinthecontrollerconnector.
Thespreaderinformationdisplayor
sprayerinformationdisplayshowsfault
core!05.
1.Oneoftwooutputsarenotproviding
powertomotor.
1.Checkthatpin6(MOTOROUT1)and
pin8(MOTOROUT2)areseatedand
lockedinthecontrollerconnector.
Thespreaderinformationdisplayor
sprayerinformationdisplayshowsfault
core!06.
1.Thespreadercontrollerorthesprayer
controllercannotdetectaconnection
tothemotor.
1.Shutofftheimpellermotororspray
pumpmotor,andcheckelectrical
connectionstothemotor.
1.Amainfuseisopen.1.Replacetheopenfuse.
2.Looseelectricalconnections.
2.Checkelectricalconnectionsatthe
accessorypowerconnectorand
batteryringterminalsandensureboth
havepower.
3.Opengroundelectricalconnection.3.Checkthegroundcircuittothe
controller.
Thespreadercontrollerorthesprayer
controllerdoesnotpower.
4.Thecontrollermoduleisdamaged.4.Replacecontrollermodule.
Thespreadercontrollerorthesprayer
controllershutsoffintermittently.
1.Theelectricalconnectionsare
corroded,loose,orfaulty.
1.Checktheelectricalconnectionsfor
contact.Cleanconnectorterminals
thoroughlywithelectrical-contact
cleaner,applydielectricgrease,and
connecttheterminals.
1.Theimpellercontrolswitchor
sprayer-pumpswitchconnectormay
beloose.
1.Ensurethattheharnessconnectoris
seatedandlatchedsecurelytothe
rockerswitch.
Thespreadercontrollerorthesprayer
controllerisunresponsive.
2.Thepinsoftheswitchconnectormay
notbeinsertedintothecorrectterminal
locations.
2.Checkforincorrectpinpositions.
1.Theimpellermotorisrunningwhilethe
engineisshutoff.
1.Shutofftheimpellermotorandrunthe
enginetountilthebatteryischarged.
Sprayerandinformationdisplayshows
thelowbatteryvoltageicondisplaysa
quarterofthetime.
2.Theenginespeedistooslow.2.Runthemachineatahigherengine
speed.
1.Theimpellermotorisrunningwhilethe
engineisshutoff.
1.Shutofftheimpellermotorandrunthe
enginetountilthebatteryischarged.
Therecirculationpumpshutsoff.
2.Theenginespeedistooslow.2.Runthemachineatahigherengine
speed.
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