Samsung ProXpress SL-M4030ND - U2-XXXX Type (LSU) Error Code

4.Troubleshooting
4.7.2.8.U2-xxxxtype(LSU)errorcode
►ErrorCode
U2–1111/U2-1112/U2–1113
►Errormessage
Error:#U2-111x/LSUFailure:#U2-111x.Turnoffthenon.Callforserviceiftheproblempersists
►Symptom
LSUMotordoesnotworknormally.
►Troubleshootingmethod
1)ExecutetheLSUmotortestinSVCmode.CheckLSUmotoroperationsound.
2)Ifthereisnosound,removetherightcover.CheckiftheLSUharnessisconnectedonthemainboardproperly.
3)IfitisOK,removethetopcover.CheckiftheLSUharnessisconnectedonLSUboardproperly.
4)CheckiftheLSUharnessisdefective.
5)ReconnecttheLSUharnessandthenexecutetheLSUmotortestagain.
6)Iftheproblempersists,replacetheLSU.
7)IftheproblempersistsafterreplacingLSU,replacethemainboard.
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