Code :

Code: U2-1113
Display: LSU Failure: #U2-1113. Turn off then on.
Description: LD (Laser Beam Detect) signal is abnormal.
Remedy: 1) Turn the machine off then on. 2) If the problem persists, check the followings. 3) Execute the LSU motor test in EDC mode. Check LSU motor operation sound. 4) If there is no sound, remove the right cover. Check if the FFC cable on main board (CN18) is connected properly. 5) It it is OK, remove the top cover. Check if the LSU connector is connected properly. 6) Check if the LSU harness is defective. 7) Reconnect the LSU harness and then execute the LSU motor test again. 8) If the LSU motor is not operated, replace the LSU. 9) If the LSU motor is not operated after replacing the LSU, replace the main board.

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