7 reasons why the freezer doesn’t freeze

HomeBlog7 reasons why the freezer doesn’t freeze
30DecNCR 1 5

Failed compressor

The compressor compresses the refrigerant (Freon) and then distributes the coolant over the freezer compartment of the freezer. This element breaks very rarely, but if it fails, it will be difficult to replace it. Before replacing the part, you should first check other components that may be interfering with the compressor.

 

Solution: If it’s the compressor you suspect, the only way to check is to use a multimeter to determine circuit continuity. The circuit should not be open. A broken compressor often makes a very loud and unpleasant hum, which is also a sign of malfunction.

Replacing this part is quite expensive and should only be done by a qualified technician. In many cases, it is more advantageous to buy a new refrigerator, which will be under warranty.

 

Damaged Thermostat

Problems with the thermostat can cause different situations – either the freezer does not freeze, or, on the contrary, will freeze continuously, resulting in increased power consumption. The thermostat transmits voltage to the compressor, as well as the evaporator fan and condenser fan. Its failure prevents the normal operation of the refrigeration device, so the equipment ceases to freeze products effectively.

 

Check the operation of this element by switching the thermostat knob from the minimum to the maximum value. If there is no specific click, you can assume that it is defective. But for greater certainty, you should also use a multimeter. The broken thermostat must be replaced with a new one.

 

Faulty starting relay

This part of the refrigerator supplies electrical current to the compressor and is responsible for running the motor. When the starter relay breaks, the compressor stops functioning properly. To confirm the faulty part, unplug the refrigeration equipment, remove the relay and check it with a multimeter. The resistance between the lower contacts should be about 30 ohms. If there is no signal, buy a new thermostat and replace the faulty one with it.

 

Refrigerant leakage problem

Shortage or complete volatilization of coolant (Freon) increases the temperature in the freezer compartment, and as a result, the freezer in the refrigerator does not work. Damage to the piping through which the refrigerant is leaking should be found as soon as possible. To do this, a specialist should be called in. Pouring coolant and repairing pipes requires experience and professional tools.

 

To properly diagnose the problem, you need to measure the temperature inside the freezer. Temperatures below zero degrees are enough to freeze food, and it will not trigger the thermostat. High temperatures can significantly reduce compressor performance.

 

Faulty temperature sensor

The temperature sensor monitors the temperature in the refrigeration unit and transmits its readings to the control module (unit). Based on this data, the electronic module regulates the power supply to the compressor and evaporator fan. If the temperature sensor fails, these components may not start and the freezer will not cool as it should.

 

Solution: To determine if the temperature sensor is working properly, check it with a multimeter. The resistance of the device should change depending on the temperature in the freezer. If it does not change, then the sensor is faulty and needs to be replaced.

 

Broken control module

The sensor control panel in freezers is quite simple. It has little electronics, and it very rarely breaks down. Any damage to the electronic module, control panel, or display can be noticed immediately. After all, then they will not respond to any changes inside the freezer and will stop displaying basic information. Burning of diodes often occurs as a result of sudden voltage spikes in the electrical system.

 

Incorrect operation mode

Modern refrigerators have many functions and several operating modes. Most of them respond to combinations of buttons. When you think the freezer is working because all the indicators are lit, but the No Frost freezer isn’t actually freezing, it may be in display mode. For information on disabling display mode, refer to the manufacturer’s instructions for the unit.

 

It is recommended to contact the professionals at North Country Appliance Repair Company for serious refrigeration equipment malfunctions. After all, freezer repair requires proper knowledge, experience, and specialized tools. 

 

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