Service Manual

Table Of Contents
MachineFaults(continued)
Fault
ID
FaultTitle
Controller(s)
Affected
Fault
Condition/Circuit
Description
AdditionalNotes
ServiceActions
U1512
48VSystem
BusVoltage-
Low
T1
Thisfaultis
reportedwhen
threeormore
componentson
themachineare
reportingaBus
Voltage-Low
fault.
PTOandthe
generator
functionofthe
starter/generator
isdisabled.
For3360machines:
1.Testthe100ABF1stylefuse(under
theseat).
2.Testthe5Astandardbladefuse(under
theseat)
3.Testthe48Vbatterieswiththeengine
Off.
4.Testthe48Vlogicrelayandwiring.
5.Testthestarter/generator.
6.Verifythatallstarter/generator
motor-to-controllerconnectionsare
good.
7.Replaceandprogramthe
starter/generatorassembly(contact
anAuthorizedToroDistributorfor
assistance).
For3370machines:
1.Attempttochargethebatteries.
2.Testthe175AMegastylefuse(behind
theleftsidecover).
3.Testthe5Astandardbladefuse(under
theseat)
4.Testthe48Vbatterieswiththeengine
Off.
5.Testthe48Vlogicrelayandwiring.
6.ContactanAuthorizedT oroDistributor
forassistance
U1700BoardInternal
Error-IPE
T6
Thisfaultis
reportedwhen
theInputsor
outputsinthe
T6:precharge
controllerare
notworking
correctly.
Machineis
disabled
1.TestthepowerandgroundattheT6
prechargecontroller.
2.Testthe3Astandardbladefuse
(machinewireharnessonleftsideof
thecenterbatteryset).
3.ReplaceandprogramtheT6:
prechargecontroller(contactan
AuthorizedT oroDistributorfor
assistance).
U1701BoardInternal
Error-IPE
T1
Thisfaultis
reportedwhen
theInputsor
outputsinthe
T1:primary
controllerare
notworking
correctly.
Machineis
disabled
1.Testthe12VbatteryvoltageattheT1
primarycontroller(connectorP01).
2.SwaptheT1:primarycontroller
withaknown-goodunit(contact
anAuthorizedToroDistributorfor
assistance).
Greensmaster®eTriFlex3360and3370
Page3–41
Troubleshooting:BatteryChargerErrorand
FaultCodes(Model04590)
19239SLRevF