Omcan WC-CN-0181-DB Instruction Manual page 12

Troubleshooting
ERROR CODES
Error Code
E2
E2.1
E9
If problem still occurs after checking above, please try to contact service provider or dealer.
Note: Normal operation for following circumstances:
1. Compressor won't start:
Compressor will not start if room temperature is lower than desired temperature, but the cabinet will still
work with heater inside until desired temperature is achieved.
2. Compressor restart:
Compressor will stop working when cooling system in the cabinet reaches presetting temperature and
restarts working until the desired temperature is achieved. Allow a minimum 5 minute interval before
restarting.
3. Dew on the surface of cabinet:
The surface of the wine cabinet, especially the glass door, appears to have some frost if the cabinet is in a
damp room. This is due to the moisture in the air coming into contact with the cabinet. Please wipe it away
with dry cloth.
4. Liquid sound:
- The sound of the compressor when it starts or stops working.
- The flowing sound of refrigerant in the refrigeration system.
- The evaporating sound of refrigerant in the evaporator.
5. Condensation formed inside the cabinet:
Under the environment with high level of humidity or the door of wine cabinet has been left open for a long
period of time (or opened frequently), there are much condensation - please wipe off the water from the
door and walls, and leave the door closed as long as possible.
6. Heat function on bottom zone:
Heat function on bottom zone will automatically be on when:
- Setting temperature is upper than room temperature.
- Inside bottom temperature is lower than setting temperature.
Check & Solution
Problem with cooling.
Check for proper the air circulation inside the unit.
Ensure the air outlet inside the cabinet is not obstructed.
The back plate inside the cabinet has frost buildup.
Make sure the unit is at least 5cm away from the wall.
Keep the unit out of direct sunlight and away from other heat sources.
The door opens frequently.
Ensure the door gasket seals properly.
Ensure the compressor and evaporator fan is running.
Keep corrosive materials away from the casing.
Problem with temperature sensor; failure or not connected well.
There is a problem with the signal cable which connects the electric board
and display board, ensure the cable is connected.
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