Service Manual

MachineFaults(continued)
Fault
ID
FaultTitle
Controller(s)
Affected
Fault
Condition/Circuit
Description
AdditionalNotes
ServiceActions
C1822CuttingUnit
Motor-Stall
T2,T3,T4
Thespeedofthe
motoris0RPM
formorethan3
secondsinthe
indicatedcutting
unit.
PTOisdisabled.1.Checkthecuttingunitandthemotor
formechanicalresistance.
2.Checkthebedknifeadjustmentand
theconditionofthereel.
3.Tryspinningthemotorwithoutaload.
Ifitdoesn'tspin,replaceandprogram
themotor(contactanAuthorizedToro
Distributorforassistance).
C1831CuttingUnit
MotorInternal
Regulator
Voltage-High
T2,T3,T4Theinternal
regulatorvoltage
isgreaterthan
15Vinthe
indicatedcutting
unit.
1.Cyclethekeyswitch.
2.Replaceandprogramthemotor
(contactanAuthorizedToroDistributor
forassistance).
C1832CuttingUnit
MotorInternal
Regulator
Voltage-Low
T2,T3,T4Theinternal
regulatorvoltage
islessthan10V
intheindicated
cuttingunit.
PTOisdisabled.
Note:Ifthisfault
ispresenton
multiplecutting
unitmotors,
checkthe48V
logicrelayand
connector(P47).
1.Inspectallcuttingunitwiringand
connectors.
2.Inspectthebatteryterminals.
3.Swapcuttingreelmotorsbetween
cuttingunits.Replaceandprogram
themotorifthefaultmovestothenew
position(contactanAuthorizedToro
Distributorforassistance).
C1841CuttingUnit
MotorLogic
Voltage-High
T2,T3,T4The48V
logicvoltage
measures
greaterthan
67.5Vinthe
indicatedcutting
unit.
PTOisdisabled.
Note:Ifmore
thanoneLogic
Voltage-High
faultisreported,
gotofaultU1501
andfollowthe
listedservice
actions.
1.Swapcuttingreelmotorsbetween
cuttingunits.Replaceandprogram
themotorifthefaultmovestothenew
position(contactanAuthorizedToro
Distributorforassistance).
2.Inspecttheharnessconnectorsat
thecuttingunitmotorfordamage,
corrosion,debris,andproperalignment
ofthepinsinsidetheconnectors.
3.Testtheconnectorsfor48Vwiththe
engineshutoffandthekeyintheOn
position.
4.Testthepowerandgroundwiring
resistanceintheharnessconnectors.
C1842CuttingUnit
MotorLogic
Voltage-Low
T2,T3,T4The48V
logicvoltage
measuresless
than32Vinthe
indicatedcutting
unit.
PTOisdisabled.
Note:Ifmore
thanoneLogic
Voltage-Low
faultisreported,
gotofaultU1502
andfollowthe
listedservice
actions.
1.Checkthe48Vlogicpowerconnection
tothemotor.
2.Ifthebatteryvoltageisgoodwith
engineshutoffbutnotgoodwiththe
engineon,testthestarter/generator.
Troubleshooting:BatteryChargerErrorandFaultCodes
(Model04590)
Page3–12
Greensmaster®eTriFlex3360and3370
19239SLRevC