If you notice that the coils in your freezer are hot, it could indicate an underlying issue with your appliance. Several possible reasons could cause this problem:
Normal operation: In some cases, it is normal for the coils at the back or bottom of the freezer to feel warm. These coils are responsible for removing heat from the freezer's interior and dissipating it outside. The heat generated during the cooling process causes the coils to warm up.
Dust and dirt accumulation: Over time, dust and dirt can accumulate on the condenser coils, reducing their ability to dissipate heat efficiently. This can lead to the coils becoming hotter than usual as the cooling process becomes less effective.
Faulty condenser fan: The condenser coils may become hot if the condenser fan, which is responsible for pulling air across the coils to cool them, is not working correctly or has stopped altogether. This can cause the coils to overheat and impact the freezer's cooling performance.
Overworking due to high ambient temperature: If the room or area where your freezer is located has a high ambient temperature, the coils may have to work harder to cool down the freezer's interior. This increased workload can result in hotter coils.
Refrigerant leak: A refrigerant leak can cause the coils to become excessively hot. When the refrigerant level drops, the freezer's cooling efficiency decreases, leading to potential overheating of the coils.
Thermostat issues: A malfunctioning thermostat can cause the compressor to run continuously, leading to increased heat production and hotter coils.
Defrosting cycle: If your freezer has an automatic defrosting system, it may periodically activate a defrosting cycle. During this process, the heater turns on to melt frost and ice buildup on the coils, causing them to heat up temporarily.
If you notice that the coils are extremely hot or if your freezer is not cooling properly, it's essential to address the issue promptly to avoid potential food spoilage and further damage to the appliance. In such cases, it's recommended to consult a professional appliance repair technician to diagnose and fix the problem correctly. Attempting to repair the freezer yourself may lead to additional complications or void the warranty if the appliance is still covered.