Air Conditioner Motor Not Working

The relay board provides voltage to many components of the air conditioner including the fan motor.

Air conditioner motor not working.

Air conditioner not cooling air conditioner won t blow cold air. This is another part that must be repaired by a professional hvac contractor. 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.

If it s clogged with dirt or other debris you won t get any air flow. Another common problem with the air conditioner blower motor not starting up is caused by overheating. If the relay board isn t working properly the fan might not run. Remove the service panel on the a c unit.

It is common for the contactor to go bad over time which restricts the outside fan from working properly. Do not touch the capacitor terminals or you may get shocked. Before replacing the board make sure you check more commonly defective parts particularly the fan motor capacitor and the fan motor itself. It s located on the side of the building near the outdoor a c unit.

Relay boards are often misdiagnosed. If these aren t the problem check the air filter. 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. An air conditioner contactor is an electrical switch that controls the compressor and condenser fan motor.