Samsung CLX-8640 series - Page 409

4.Troubleshooting
►ErrorCode
U2–7110
►Errormessage
LSUFailure:#U2-7110.Turnoffthenon.
►Symptom
ThecontrolofLSUtemperatureisabnormal.
►Troubleshootingmethod
1)Turnthemachineoffthenon.Checkiftheerrormessageisdisappeared.
2)Iftheproblempersists,checkthefollowing:
a)Turnthemachineoffandopenthesidecover.UnplugtheLSUCable(JC39-01791A:Flatcable)and
TemperatureSensorcable.Reconnectthem.
b)Checkthattheerrorstatusafterturningthemachineon.
c)IftheLSUCable(JC39-01791A:Flatcable)isdefective,replaceit.
d)Iftheproblempersists,replacetheLSU(JC97-04073A).
(Referto3.3.6.LSU
)
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