4. Troubleshooting
► Error Code
S5–3111
► Error message
UI System Failure #S5-3111:Turn off then on.
► Symptom
Communication error between main board and OPE board has occurred.
► Troubleshooting method
1) Remove the rear cover.
2) Check if the OPE cable is connected to the main board correctly.
3) Replace the OPE hub board.
4) If the problem persists, replace the main board.
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