Toro Groundsmaster 4500-D Series - Page 55

Fault
ID
FaultTitle
Contro-
ller(s)
Affected
FaultCondition
/Circuit
Description
Additional
Notes
ServiceActions
C1443Solenoid4-
ShorttoBattery
T2Lowcurrent
detectedonleft
deckoatS4
outputindicating
ashorttoahigh
(+)source.This
shortcouldbeto
batteryvoltageor
toanothersignal
thatisinahigh
state.
1.Testtheoutputcircuitforashort.
2.Testforproperresistanceinthecomponent
connectedtotheauxiliaryTEC(P75,pin
7).
3.SwaptheT2:Auxiliarycontrollerwitha
known-goodunit(contactanAuthorized
ToroDistributorforassistance).
C1444Solenoid4-
ShorttoGround
/Overcurrent
T2
Overcurrent
detectedonleft
deckoatS4
outputindicating
ashorttoground.
1.Testtheoutputcircuitforashort.
2.Testforproperresistanceinthecomponent
connectedtotheauxiliaryTEC(P75,pin
7).
3.SwaptheT2:Auxiliarycontrollerwitha
known-goodunit(contactanAuthorized
ToroDistributorforassistance).
C1445Solenoid4-
OpenCircuit
T2
Opencircuit
detectedonleft
deckoatS4
output.
1.Testtheoutputcircuitforanopen.
2.Testforproperresistanceinthecomponent
connectedtotheauxiliaryTEC(P75,pin
7).
3.SwaptheT2:Auxiliarycontrollerwitha
known-goodunit(contactanAuthorized
ToroDistributorforassistance).
C1453Solenoid5-
ShorttoBattery
T1Lowcurrent
detectedoncenter
deckupS5output
indicatingashortto
ahigh(+)source.
Thisshortcouldbe
tobatteryvoltage
ortoanothersignal
thatisinahigh
state.
1.Testtheoutputcircuitforashort.
2.Testforproperresistanceinthecomponent
connectedtotheprimaryTEC(P74,pin4).
3.SwaptheT1:Primarycontrollerwitha
known-goodunit(contactanAuthorized
ToroDistributorforassistance).
C1454Solenoid5-
ShorttoGround
/Overcurrent
T1
Overcurrent
detectedoncenter
deckupS5output
indicatingashortto
ahigh(+)source.
Thisshortcouldbe
tobatteryvoltage
ortoanothersignal
thatisinahigh
state.
1.Testtheoutputcircuitforashort.
2.Testforproperresistanceinthecomponent
connectedtotheprimaryTEC(P74,pin4).
3.SwaptheT1:Primarycontrollerwitha
known-goodunit(contactanAuthorized
ToroDistributorforassistance).
C1455Solenoid5-
OpenCircuit
T1
Opencircuit
detectedoncenter
deckupS5output.
1.Testtheoutputcircuitforanopen.
2.Testforproperresistanceinthecomponent
connectedtotheprimaryTEC(P74,pin4).
3.SwaptheT1:Primarycontrollerwitha
known-goodunit(contactanAuthorized
ToroDistributorforassistance).
Groundsmaster
®
4500-D/4700-D
Page3–15Troubleshooting:
19245SLRevA