Why is the back wall of my Jocel JC-350L freezing?

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Accepted Answer

The freezing of the back wall is generally caused by excessive frost buildup. For the Jocel JC-350L, this phenomenon is often related to the following factors:

Main causes:

Thermostat set too cold - If the thermostat is set to a position that is too high, the appliance excessively cools the back wall where the evaporator is located.
Poorly closed door - A worn magnetic seal or a door that does not close properly allows warm air to enter, forcing the compressor to work harder and creating more frost.
Blocked air passage - Food or packaging that obstructs the air circulation channels above the lower bins reduces airflow and causes frost buildup at the back.
Dirty condenser coils - Dust accumulation on the coils at the back or underneath the appliance reduces cooling efficiency.

What you can do:

Check the thermostat - On the JC-350L, set the thermostat to position 3 or 4 for normal operation.
Inspect the door seal - Ensure there are no cracks and that the door closes tightly without gaps.
Clear the air channels - Check that nothing is blocking the air openings between the upper and lower bins.
Clean the coils - Use a vacuum cleaner or a soft brush to clean the condenser coils at the back of the appliance.
Defrost if necessary - If the frost exceeds 5 mm, turn off the appliance and let it defrost naturally (about 3 hours), then replace the bins.

If the problem persists after these checks, an issue with the thermostat or the cooling circuit of the Jocel JC-350L may require the intervention of a technician.

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