Refrigerator refrigerant Freon is the brand name of the liquid refrigerant used in refrigerators, air conditioners, heat pumps and other equipment for heating and cooling. If your refrigerator cannot keep food cold, you may think that this unit needs more refrigerator refrigerant. The possibility of a lack of refrigerant in the refrigerator is unlikely, because the refrigerator maintains a stable supply unless one of the components leaks. You can perform some tests to see if the condition of the refrigerator is caused by a Freon leak or other component problems.
Step 1 Find the condenser of the refrigerator, and then place your hand next to it to sense the heat. If the condenser feels cold and the refrigerator is already running, there may be a lack or absence of refrigerator refrigerant. The problem may also be caused by condenser failure or system blockage. Step 2 Unplug the refrigerator, turn off the temperature controller of the refrigerator, and put your ears on the side of the refrigerator. The hissing sound indicates that freon is present and in equilibrium. However, silence does not necessarily mean the lack of refrigerant in the refrigerator – there may be problems with the condenser, fan, filter dryer, cover tube, defroster or compressor.
Step 3 Remove the cover from the evaporator in the freezer compartment located near the evaporator fan. Re-plug the refrigerator power supply, and then restore the temperature controller to the desired setting. Wait a few minutes for the refrigerator to run with the door closed. Check whether the evaporator is frosted. Lack of frost indicates lack or absence of refrigerator refrigerant or system blockage.
In an age when refrigerant gas is increasingly important, the researchers believe manufacturers should pay close attention to their results.
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