If your freezer's compressor is running, but the freezer is not cooling, there could be several potential reasons for this issue. It's essential to troubleshoot the problem to identify the underlying cause. Here are some common reasons why this may happen:
Lack of Refrigerant: The refrigerant is the substance that cools the air inside the freezer. If there's a refrigerant leak or the refrigerant level is low, the freezer won't be able to cool properly. This is a significant issue that requires professional repair, as refrigerant handling should only be done by qualified technicians.
Faulty Compressor: While the compressor is running, it might not be functioning correctly. The compressor's job is to compress the refrigerant, and if it's faulty, it won't circulate the refrigerant properly, leading to inadequate cooling. A malfunctioning compressor may need repair or replacement.
Condenser Coils Blocked: The condenser coils release heat from the freezer's interior, and if they are covered in dust or debris, it can impede the cooling process. Cleaning the condenser coils might solve the problem, but it's important to do so carefully.
Evaporator Coils Frosted: If the evaporator coils (located inside the freezer) are frosted over, they won't be able to absorb heat and cool the freezer. This could be due to a faulty defrost system, such as a broken defrost timer, defrost thermostat, or defrost heater.
Faulty Temperature Control Thermostat: The temperature control thermostat regulates the compressor's operation based on the freezer's internal temperature. If it's faulty, the compressor may not turn on when necessary to maintain the desired cooling level.
Damaged Door Seals: A faulty door seal can allow warm air to enter the freezer, causing it to lose its cooling capacity. Check the door seals for any damage or wear and tear, and replace them if needed.
Electrical Issues: Sometimes, the problem might not lie with the cooling components themselves but with the electrical connections or control board. Electrical problems can disrupt the cooling process.
If you're not familiar with freezer repair and troubleshooting, it's best to contact a professional appliance repair technician. They will have the expertise and tools to diagnose and fix the issue safely. Additionally, always ensure the freezer is unplugged before attempting any troubleshooting or repair work for your safety.