4.Troubleshooting
4.6.8.U2-xxxxtype(LSU)errorcode
►ErrorCode
U2–1112
►Errormessage
LSUFailure:#U2-1112.Pleaseturnoffthenon.
►Symptom
LSUmotordoesnotoperateoritoperatesabnormally.Motorreadysignalisabnormal.
►Troubleshootingmethod
1)Turnthemachineoffthenon.CheckfortheLSUmotoroperationsoundduringwarm-up.
2)Printademopagetocheckthatthemachineoperatesnormally.
3)Iftheproblempersists,checkthefollowing:
•IftheLSUmotormakesasound,
a)EnterSVCmodetochecktheLSUmotorreadysignal.
b)Select“LSUMotor1RunReady”.(Diagnostics>EngineDiagnostics>EngineTestRoutines>
110-0000)
c)Press‘Start’button.Checkthatthestatushaschangedto‘Executing->Low->High’.
d)Ifthestatushasnotchanged,themotorreadysignalisabnormal.ReplacetheLSU.
•IftheLSUmotordoesnotmakesasound,
a)Turnthemachineoff.UnplugandreconnecttheLSUcable.
CheckthattheLSUmotormakeasoundafterturningthemachineon.
b)IftheLSUCableisdefective,replaceit.CheckthattheLSUmotormakeasoundafterturningthe
machineon.
c)Iftheproblempersists,replacetheLSU.
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