The compressor is one of the main components in your refrigerator. If it doesn’t show continuity or you can smell a burning smell coming from it, it will need to be replaced. If it is working fine and you can’t smell a burning smell coming from it, move on to the next step. If the test shows continuity, make sure there isn’t a burning smell coming from the start relay.Use a multimeter to check the start relay for continuity.Locate the start relay (check your manual if necessary).If you haven’t already, pull the refrigerator unit out from the wall so you can access the back of it.Make sure the power to the refrigerator unit is still switched off.If it becomes defective, your freezer might not freeze. The start relay works with the start winding to make the compressor operate correctly. If it doesn’t show continuity, it will need to be replaced.If you cannot turn it around, use a multimeter to test the fan motor for continuity (you’ll need to unplug the wires that are connected to it first).If the fan can rotate the whole way around without obstruction, this means it’s likely fine, and you can move on to checking the next component.Locate the fan motor and check if you can manually turn the fan around.Remove the lower back panel so you can access the motor.Turn the refrigerator off at the wall, and then pull it out so you can access the back panel.Here’s how to check the condenser fan motor: If the fan motor stops working, your freezer might not freeze. The fan motor in your refrigerator unit helps to distribute warm air over the condenser coils to help keep them defrosted. If not, move on to checking the next component. Once replaced, put your refrigerator back together, turn on the power, and check if the problem has been solved (you will need to wait a couple of hours to find out).If it doesn’t show continuity, it will need to be replaced. If the test shows continuity, it is working fine, and you can move on to the next step.If you don’t hear a click, use a multimeter to test the thermostat for continuity.If you can hear a click sound, this means that it’s working fine, and you can move on to the next step. Turn the thermostat from the lowest setting to the highest setting, and see if you can hear it click sound.Locate the thermostat – it’s inside the fridge.Here’s how to check the temperature control thermostat: If it becomes faulty, your freezer might not freeze. The temperature control thermostat monitors the temperature in your freezer and then directs the right amount of voltage to the evaporator fan motor, the compressor, and, if your fridge has one, the condenser fan motor to keep it running properly. Once cleaned or defrosted, put your refrigerator back together, turn on the power, and check if the problem has been solved (you will need to wait a couple of hours to find out).If they are not dirty or frozen, move on to checking the next component. If frozen over, leave your freezer switched off so they can defrost. Check the coils to see if they are dirty or covered in ice.Remove the lower back panel (if your refrigerator unit has one).Pull your refrigerator out from the wall.Switch the power to the refrigerator unit off.If they get dirty or freeze over, your freezer won’t be able to freeze properly. The purpose of the coils is to dissipate heat when refrigerant goes through them. The best place to start is to check the condenser coils. This guide covers most LG refrigerator/freezer models, including: In this article, we will give you step-by-step instructions for how to check all of the main components in your freezer that are the most likely causes of your freezer not freezing. If your LG freezer isn’t freezing, you’re in the right place.
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