The air conditioning in your car employs four basic principles -- Evaporation, Condensation, Compression and Expansion – to work. To act on these principles are a number of important components like the compressor, condenser, expansion valve and receiver drier as well as evaporator. When one of these components fails, the air conditioning system would faile or malfunction.
As it names implies, the condenser fulfills the principle of condensation in an AC system. It essentially converts the high-pressure gas (refrigerant) into high-pressure liquid. The condenser packs the molecules in the vapor to transform the refrigerant into its liquid state. Since this process generates a lot of heat, air is made to flow through the condenser to cool it down. To ensure that the condenser is kept cool during the entire air conditioning cycle, an AC condenser fan is employed to channel the needed cooling air.
However, the AC condenser fan might fail or stop from functioning. If this happens, the condenser might become too hot, and in turn becomes ineffective in converting the refrigerant from its gas to cooled liquid form. In addition, this overheating could cause more issues or problems within the entire AC system.
There are some signs that may manifest if the AC condenser fan fails or malfunctions. Taking note of these signs should prompt you to take your car to a specialist and have it checked.