These parts comprise of the condenser, compressor, accumulator, orifice tube, and an evaporator.

The devices should be replaced when they function abnormally. One of the main indicators that it should be replaced is electrical problems. This fault may be due to damaged cables or broken cables. When the refrigerant cannot circulate through the system, this means that the compressor is not working normally and should be replaced. Faulty cooling fans indicate that the condenser is damaged and should be checked and replaced if diagnosed with problems.