Samsung SCX-4729FW - Error #U2-1112 Turn off then on; Error #U2-1113 Turn off then on

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4.AlignmentandTroubleshooting

►ErrorCode

U2–1112

U2–1113

►Errormessage

Error#U2-1112Turnoffthenon

Error#U2-1113Turnoffthenon

►Symptom

LSUMotordoesnotworknormally.

►Troubleshootingmethod

1)ExecutetheLSUmotortestinEDCprogram.ChecktheLSUmotoroperationsound.

2)Ifthereisnosound,removetherightcover.CheckiftheLSUharnessonthemainboard

isconnectedproperly.(picture-,)

3)IfitisOK,removethetopcover.CheckiftheLSUharnessonLSUboardisconnectedproperly.(picture-,)

4)CheckiftheLSUharnessisdefective.(picture-,)

5)ReconnecttheLSUharnessandthenexecutetheLSUmotortestinEDCprogramagain.

6)Iftheproblempersists,replacetheLSU.

7)IftheproblempersistsafterreplacingLSU,replacethemainboard.

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