Lsu Failure: #U2-6122. Please Turn Off Then On; Lsu Failure: #U2-6142. Please Turn Off Then On - Samsung CLX-4195N Service Manual

► Error Code
U2-6122
U2-6142
► Error message

LSU Failure: #U2-6122. Please turn off then on.

LSU Failure: #U2-6142. Please turn off then on.

► Symptom
LSU Motor does not work normally. / LSU Hsync signal is abnormal.
► Troubleshooting method
1) Check if the LSU harness on the main board is connected properly.
2) If it is OK, check that the LSU harness on LSU board is connected properly.
3) Check if the LSU harness is defective.
4) If the problem persists, replace the LSU.
5) If the problem persists after replacing LSU, replace the main board.
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4. Alignment and Troubleshooting
4-55