Central Air Conditioner Blower Fan Not Working

If it s conditioning not cooling this could be why.

Central air conditioner blower fan not working.

Capacitors send an electrical jolt to start a motor a start capacitor or to keep one running a run capacitor in an air conditioning system capacitors work with three different motors. It is common for the contactor to go bad over time which restricts the outside fan from working properly. The compressor the indoor blower fan and outdoor fan. Make sure the switch on the side of the thermostat is set to cool instead of heat that will ensure that the proper mechanical system.

Fans in the central a c both pull air out of the room to be conditioned and have humidity removed and also push chilled air through the vents throughout the house. When the air temperature rises above a set point the thermostat activates a switch to provide power to the fan and compressor. Most thermostats control both central air and central heat. But before you phone see if the problem is caused by something else.

The air filter needs to be changed. If you don t want to turn the fan off and on all of the time there are some new technologies that will allow you to program the blower fan to run for 10 to 15 minutes each hour. If they aren t working properly call a trained technician. The unit stops working.

This is another part that must be repaired by a professional hvac contractor. If the thermostat is defective it may prevent the fan from working. If it s cloudy and relatively cool outside but feeling stuffy in your home running the fan for an hour or so can certainly help. An air conditioner contactor is an electrical switch that controls the compressor and condenser fan motor.

If you have your system inspected and cleaned annually it should run without any trouble. It takes much more energy to get the outdoor fan going than it does to keep it running. Central air conditioners can work for years without problems if properly maintained and serviced annually. Blower and fan noises such as squeaks squeals and rattles may be transmitted through the duct system.

To determine if the thermostat is defective set the air conditioner to cooling and then use a multimeter to test the thermostat for continuity. Refrigerant leaks resulting in your air conditioning freezing up. Your system s air filter traps dust dirt and other airborne pollutants to keep indoor air and internal cooling system components cleaner.