Air Conditioner Motor Not Working

Air conditioner fans not working can be a sign of a frozen evaporator coil.

Air conditioner motor not working. Do not proceed if you re not sure you ve properly shut off the power. Air conditioner not cooling air conditioner won t blow cold air. It is common for the contactor to go bad over time which restricts the outside fan from working properly. This is another part that must be repaired by a professional hvac contractor.

If your ac system turns on but doesn t blow out cold air ensure all the vents are open and the thermostat is set properly. Before replacing the board make sure you check more commonly defective parts particularly the fan motor capacitor and the fan motor itself. Another common problem with the air conditioner blower motor not starting up is caused by overheating. If these aren t the problem check the air filter.

Remove the service panel on the a c unit. The relay board provides voltage to many components of the air conditioner including the fan motor. It s located on the side of the building near the outdoor a c unit. If the relay board isn t working properly the fan might not run.

Relay boards are often misdiagnosed. The evaporator coil sits inside your home within the air handler unit furnace or fan coil pulling heat and humidity from indoor air as it passes through. Shut off the power supply to the air conditioner at the disconnect or breaker panel. Most ac systems are designed to work within a large range of temperature variants and environments however due to numerous causes the air conditioner is still prone to overheating.