Toro Groundsmaster 4500-D Series - Page 53

Fault
ID
FaultTitle
Contro-
ller(s)
Affected
FaultCondition
/Circuit
Description
Additional
Notes
ServiceActions
C1015ETR/RTR/OK
toRun-Open
Circuit
T1
Opencircuit
detectedonengine
runoutput.
1.Testtheoutputcircuitforanopen.
2.Testforproperresistanceinthecomponent
connectedtotheprimaryTEC(P74,pin
10).
3.SwaptheT1:Primarycontrollerwitha
known-goodunit(contactanAuthorized
ToroDistributorforassistance).
C1124
FanDirection-
ShorttoGround
/Overcurrent
T1
Overcurrent
detectedonfan
directionoutput
indicatingashort
toground.
1.Testtheoutputcircuitforashort.
2.Testforproperresistanceinthecomponent
connectedtotheprimaryTEC(P74,pin7).
3.SwaptheT1:Primarycontrollerwitha
known-goodunit(contactanAuthorized
ToroDistributorforassistance).
C1125
FanDirection-
OpenCircuit
T1
Opencircuit
detectedonfan
directionoutput.
1.Testtheoutputcircuitforanopen.
2.Testforproperresistanceinthecomponent
connectedtotheprimaryTEC(P74,pin7).
3.SwaptheT1:Primarycontrollerwitha
known-goodunit(contactanAuthorized
ToroDistributorforassistance).
C1134FanSpeed-
ShorttoGround
/Overcurrent
T1
Overcurrent
detectedonfan
speedoutput
indicatingashort
toground.
1.Testtheoutputcircuitforashort.
2.Testforproperresistanceinthecomponent
connectedtotheprimaryTEC(P74,pin
44).
3.SwaptheT1:Primarycontrollerwitha
known-goodunit(contactanAuthorized
ToroDistributorforassistance).
C1135FanSpeed-
OpenCircuit
T1
Opencircuit
detectedonfan
speedoutput.
1.Testtheoutputcircuitforanopen.
2.Testforproperresistanceinthecomponent
connectedtotheprimaryTEC(P74,pin
44).
3.SwaptheT1:Primarycontrollerwitha
known-goodunit(contactanAuthorized
ToroDistributorforassistance).
C1413Solenoid1-
ShorttoBattery
T2Lowcurrent
detectedon
enableS1output
indicatingashortto
ahigh(+)source.
Thisshortcouldbe
tobatteryvoltage
ortoanothersignal
thatisinahigh
state.
1.Testtheoutputcircuitforashort.
2.Testforproperresistanceinthecomponent
connectedtotheauxiliaryTEC(P75,pin
3).
3.SwaptheT2:Auxiliarycontrollerwitha
known-goodunit(contactanAuthorized
ToroDistributorforassistance).
C1414Solenoid1-
ShorttoGround
/Overcurrent
T2
Overcurrent
detectedon
enableS1output
indicatingashort
toground.
1.Testtheoutputcircuitforashort.
2.Testforproperresistanceinthecomponent
connectedtotheauxiliaryTEC(P75,pin
3).
3.SwaptheT2:Auxiliarycontrollerwitha
known-goodunit(contactanAuthorized
ToroDistributorforassistance).
Groundsmaster
®
4500-D/4700-D
Page3–13Troubleshooting:
19245SLRevA