Samsung ProXpress 402 Series - Error: #U2-1112 Turn off then; Error #U2-1113 Turn off then on

4.Troubleshooting
►ErrorCode
U2-1112
U2-1113
►Errormessage
Error#U2-1111Turnoffthenon.
Error#U2-1113Turnoffthenon.
►Symptom
LSUMotordoesnotworknormally.
►Troubleshootingmethod
1)ExecutetheLSUmotortestinEDCmode.CheckLSUmotoroperationsound.
2)Ifthereisnosound,removetherightcover.CheckiftheLSUharnessisconnectedonthemainboardproperly.
(picture-1)
3)IfitisOK,removethetopcover.CheckiftheLSUharnessisconnectedonLSUboardproperly.(picture-2,3)
4)CheckiftheLSUharnessisdefective.(picture-4)
5)ReconnecttheLSUharnessandthenexecutetheLSUmotortestagain.
6)Iftheproblempersists,replacetheLSU(JC97-04065A).
7)IftheproblempersistsafterreplacingLSU,replacethemainboard.
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