Service Manual

Table Of Contents
MachineFaults(continued)
Fault
ID
FaultTitle
Controller(s)
Affected
Fault
Condition/Circuit
Description
AdditionalNotes
ServiceActions
P1B2CStarter/Generator
Motor-Stall
T6
Thisfault
isreported
whenthe
starter/generator
stallsfor3
secondsor
more.
PTOand
starter/generator
isdisabled.
1.Verifythatthestarter/generatorcan
spinfreely.
2.Checkthewiringbetweenthe
starter/generatormotorandcontroller.
3.Replaceandprogramthe
starter/generatorcontroller(contact
anAuthorizedToroDistributorfor
assistance).
P1B31
Starter/Generator
MotorInternal
Regulator
Voltage-High
T6
Thisfaultis
reportedwhen
theinternal
regulatorvoltage
isgreaterthan
18V.
PTOand
starter/generator
isdisabled.
1.Inspectthelogicrelayandwire
harnessconnectiors.
2.Inspectthestarter/generatorandwire
harnessconnectors.
3.Replaceandprogramthe
starter/generatorcontroller(contact
anAuthorizedToroDistributorfor
assistance).
P1B41
Starter/Generator
BusVoltage-
High
T6
Thisfault
isreported
whenthe
starter/generator
measuresthe
48Vbusvoltage
atgreaterthan
65V.
PTOand
starter/generator
isdisabled.
Note:Ifmore
thanoneBus
Voltage-High
faultisreported,
gotofaultU1511
andfollowthe
listedservice
actions.
1.Testthestartergenerator.
2.Checkthewiringbetweenthe
starter/generatormotorandcontroller.
3.Replaceandprogramthe
starter/generatorassembly(contact
anAuthorizedToroDistributorfor
assistance).
P1B42
Starter/Generator
BusVoltage-
Low
T6
Thisfault
isreported
whenthe
starter/generator
measuresthe
48Vbusvoltage
atlessthan36V.
PTOand
starter/generator
isdisabled.
Note:Ifmore
thanoneBus
Voltage-Low
faultisreported,
gotofaultU1512
andfollowthe
listedservice
actions.
1.Testthestartergenerator.
2.Checkthewiringbetweenthe
starter/generatormotorandcontroller.
3.Replaceandprogramthe
starter/generatorassembly(contact
anAuthorizedToroDistributorfor
assistance).
P1B4CStarter/Generator
HardwareOver
Voltage
T6
Thisfaultis
reportedwhen
thevoltage
protection
hardware
insidethe
starter/generator
trips.
PTOand
starter/generator
isdisabled.
1.Cyclethekeyswitch.
2.Ifthefaultrepeats,replaceand
programthestarter/generator
controller(contactanAuthorizedToro
Distributorforassistance).
P1B51
Starter/Generator
Hardware
PhaseOver
Current
T6
Thisfaultis
reportedwhen
thecurrent
sensoronphase
currentindicates
aninternalshort.
PTOand
starter/generator
isdisabled.
1.Cyclethekeyswitch.
2.Ifthefaultrepeats,replaceand
programthestarter/generator
controller(contactanAuthorizedToro
Distributorforassistance).
Troubleshooting:BatteryChargerErrorandFaultCodes
(Model04590)
Page3–30
Greensmaster®eTriFlex3360and3370
19239SLRevE