Service manual

4. Alignment and Troubleshooting

Service Manual

ML-551x / 651x series

4-114

Samsung Electronics

 Code

S2-4110

 Error message

Door is open. Close it

 Symptom / Cause

The top cover is closed but error message is not disappeared.

1. Harness connection error.

2. Micro Switch defect.

 Troubleshooting method

1. Check if the harness (Picture(1)-ᐭ) is normal.

2. Check if the harness is the connected to the Relay connector (Picture(1)-ᐮ) properly.

3. Check if the connector CN9 (Picture(1)-ᐯ) on the engine board is connected properly.

4. Open the cover of the OPE panel. Check if the UI message is changed when pushing the micro

switch (Picture(2)-ᐰ).

5. If the micro switch is defective, replace it.