Error #U2-6122 Turn Off Then; Error #U2-6142 Turn Off Then - Samsung Xpress C1810 Series Service Manual

4. Alignment and Troubleshooting
► Error Code
U2-6122
U2-6142
► Error message
Error #U2-6122 Turn off then on
Error #U2-6142 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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