If a mini fridge continually freezes everything, regardless of the temperature setting, it could indicate a few potential issues:
Thermostat or Temperature Control Problem: The most common reason for constant freezing is a malfunctioning thermostat or temperature control. If the thermostat is not functioning correctly, it won't regulate the temperature properly, causing the fridge to stay too cold and freeze the contents.
Damaged Temperature Sensor: Mini fridges usually have temperature sensors that monitor the internal temperature and send signals to the thermostat to adjust cooling accordingly. If the temperature sensor is faulty or damaged, it may not provide accurate readings, leading to improper cooling.
Blocked Airflow: If the air vents or circulation fan inside the fridge are blocked or not working correctly, cold air may not circulate properly. As a result, certain areas of the fridge can become excessively cold, causing freezing.
Refrigerant Leak: A refrigerant leak can disrupt the cooling system and cause the fridge to become overly cold. This issue typically requires professional repair.
Defective Defrost Timer: Mini fridges with a freezer compartment have a defrost timer that switches the fridge into a defrost cycle periodically. If this timer is faulty, the freezer may remain in defrost mode for too long, leading to freezing in the main compartment.
Door Seal Issues: A worn-out or damaged door seal can allow cold air to escape, making the fridge work harder to maintain the desired temperature and resulting in colder-than-intended conditions.
To address this problem, you can try the following steps:
Check the temperature control settings: Ensure that the temperature control is set to the correct level, and try adjusting it to different settings to see if it makes a difference.
Clean the air vents and fan: Make sure there are no obstructions in the air vents and that the circulation fan is working correctly.
Inspect the door seal: Check the door gasket for any damage or debris and replace it if necessary to improve the fridge's insulation.
If none of these steps resolve the issue, it's best to contact a professional appliance repair technician to diagnose and fix the problem. Attempting to repair more complex issues without proper knowledge can lead to further damage or safety hazards.