Repair and disassembly guides for food cooling appliances including refrigerators, freezers and fridge-freezers.

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Refrigerator and freezer not cooling

I have a Admiral Refrigerator model LTF2112ARZ it is 10 years old about 2 weeks ago freezer stopped keeping food frozen and refrigerator is warm. I cleaned the coils the fan by the compressor is working and also the fan in freezer. compressor is on but hot to the touch, the compressor was not making any clicking noise but i put in a new start relay and a new overload there is no ice build up in freezer don't know what to check for now can anyone help

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2 Answers

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Cause 1

Condenser Coils are Dirty

The condenser coils are usually located under the refrigerator. They dissipate heat as refrigerant passes through them. If the condenser coils are dirty, they won’t dissipate the heat effectively. As debris builds up on the coils, the refrigerator becomes less efficient, causing the refrigerator to work harder to cool down. If the coils are significantly dirty, the refrigerator will not be able to maintain the proper temperature. Check the condenser coils to determine if they are dirty—if the condenser coils are dirty, clean them.

Cause 2

Condenser Fan Motor

The condenser fan motor draws air though the condenser coils and over the compressor. If the condenser fan motor is not working properly, the refrigerator won’t cool properly. To determine if the fan motor is defective, first check the fan blade for obstructions. Next, try turning the fan motor blade by hand. If the blade does not spin freely, replace the condenser fan motor. If no obstructions are present and the fan blade spins freely, use a multimeter to test the fan motor for continuity. If the condenser fan motor does not have continuity, replace it.

Cause 3

Evaporator Fan Motor

The evaporator fan motor draws air over the evaporator (cooling) coils and circulates it throughout the refrigerator and freezer compartments. Some refrigerators have more than one evaporator fan motor. On refrigerators with only one evaporator, the evaporator is located in the freezer compartment. If the evaporator fan is not working, it will not circulate the cold air to the refrigerator compartment. If this occurs, the freezer may still get cold, while the refrigerator will not get cold. To determine if the evaporator fan motor is defective, try turning the fan blade by hand. If the fan blade does not turn freely, replace the fan motor. Additionally, if the motor is unusually noisy, replace it. Finally, if the motor does not run at all, use a multimeter to test the motor windings for continuity. If the windings do not have continuity, replace the evaporator fan motor.

Also see my answer here to the same question but it goes into more details on some things:

Why are my fridge and freezer not cooling?

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Rosa, the clicking noise is the compressor's thermal overload-a Bi-metal tstat located beside the start relay. It's designed to keep the compressor off if it overheats. The clicking is the bi-metal warping and breaking the circuit to compressor. Unplug it for several hours to allow it to completely cool then plug it it and if you hear the clicking again then you know your compressor is damaged from the heat and needs replaced. If you choose to replace the compressor you need to know that the condensor may have suffered some damage as well. Heat weakens the copper lines and leaks or a restriction can occur in the sealed system. Dirty condensor coils can and will create expensive repairs. Our appliances need routine maintenance just like our vehicles. Coils need to be cleaned regularly. If inside pets, clean 2x more often. Every owners manual has a section on how to care and maintain the appliance.

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