Toro Groundsmaster 4500-D Series - Page 58

Fault
ID
FaultTitle
Contro-
ller(s)
Affected
FaultCondition
/Circuit
Description
Additional
Notes
ServiceActions
C14B3
Transport
Solenoid-Short
toBattery
T1Lowcurrent
detectedonrange
hiSVoutput
indicatingashortto
ahigh(+)source.
Thisshortcouldbe
tobatteryvoltage
ortoanothersignal
thatisinahigh
state.
1.Testtheoutputcircuitforashort.
2.Testforproperresistanceinthecomponent
connectedtotheprimaryTEC(P74,pin5).
3.SwaptheT1:Primarycontrollerwitha
known-goodunit(contactanAuthorized
ToroDistributorforassistance).
C14B4
Transport
Solenoid-Short
toGround/
Overcurrent
T1
Overcurrent
detectedonrange
hiSV.Indicates
shorttoground.
1.Testtheoutputcircuitforashort.
2.Testforproperresistanceinthecomponent
connectedtotheprimaryTEC(P74,pin5).
3.SwaptheT1:Primarycontrollerwitha
known-goodunit(contactanAuthorized
ToroDistributorforassistance).
C14B5
Transport
Solenoid-Open
Circuit
T1
Opencircuit
detectedonrange
hiSV .
1.Testtheoutputcircuitforanopen.
2.Testforproperresistanceinthecomponent
connectedtotheprimaryTEC(P74,pin5).
3.SwaptheT1:Primarycontrollerwitha
known-goodunit(contactanAuthorized
ToroDistributorforassistance).
C14C4PTO1-Short
toGround/
Overcurrent
T1
Overcurrent
detectedondeck
PTO1PRV-1
outputindicating
ashorttoground.
1.Testtheoutputcircuitforashort.
2.Testforproperresistanceinthecomponent
connectedtotheprimaryTEC(P74,pin
41).
3.SwaptheT1:Primarycontrollerwitha
known-goodunit(contactanAuthorized
ToroDistributorforassistance).
C14C5PTO1-Open
Circuit
T1
Opencircuit
detectedondeck
PTO1PRV-1
output.
1.Testtheoutputcircuitforanopen.
2.Testforproperresistanceinthecomponent
connectedtotheprimaryTEC(P74,pin
41).
3.SwaptheT1:Primarycontrollerwitha
known-goodunit(contactanAuthorized
ToroDistributorforassistance).
C14D4PTO2-Short
toGround/
Overcurrent
T1
Overcurrent
detectedondeck
PTO2PRV-2
outputindicating
ashorttoground.
1.Testtheoutputcircuitforashort.
2.Testforproperresistanceinthecomponent
connectedtotheprimaryTEC(P74,pin
42).
3.SwaptheT1:Primarycontrollerwitha
known-goodunit(contactanAuthorized
ToroDistributorforassistance).
C14D5PTO2-Open
Circuit
T1
Opencircuit
detectedondeck
PTO2PRV-2
output.
1.Testtheoutputcircuitforanopen.
2.Testforproperresistanceinthecomponent
connectedtotheprimaryTEC(P74,pin
42).
3.SwaptheT1:Primarycontrollerwitha
known-goodunit(contactanAuthorized
ToroDistributorforassistance).
Troubleshooting:Page3–18
Groundsmaster
®
4500-D/4700-D
19245SLRevA