When central air conditioning service fails during a heat spell, you may have to wait days for an HVAC repair technician or an ac contractor to show up, and you’ll probably pay at … Just a quick video on how to fix your home air conditioner. DIY Air Conditioning Service Repair Overview: Central home air conditioner service failures and solutions. Inside the condenser is the primary motor control. In addition, the reason why the external fan of the air conditioner does not rotate is that the external unit of the air conditioner is located outdoors. It is a magnetized switch that turns on and off with signals sent by the thermostat. After an extended period of time, you fan can break or stop working. After a long time of use, the radiator will absorb a lot of dust, garbage and other dirt. How to fix your ac outdoor fan not running you air conditioner fan not working you problems that plague a central air conditioning system edutrek why is my outdoor ac unit s fan not spinning a phoenix tech. Check the receptacle with a tester or plug in a known working appliance such as a lamp or a fan to verify that the circuit is live. My outdoor unit is not running when trying to cool or heat. I don’t have any experience with AC units. If all else fails, check to see if there is a problem with your air conditioner… Also, the indoor fan that circulates air throughout the house is constantly running, even with the fan set to “auto” and the thermostat set to “off”. What is the reason why the fan of air conditioner doesn't work. When your air conditioner’s outside fan is not working, inspect the fan itself. Air conditioner units contain a number of parts that work together to create the cool air that keeps your room at a comfortable temperature. Air Conditioner Fan Not Working Because of the Primary Motor Control. If your window air conditioner won’t turn on, it may be that it is not getting any power. Fan Is Not Working in a Window Air Conditioner Unit. Because it flips by a magnet, when the magnet goes bad the switch does not work. Check the air conditioner power supply cord for any signs of fraying or damage. The dual run capacitor was bad causing the fan motor to buzz. A filter that’s not a proper fit can obstruct airflow and put more stress on your air condition fan. Air conditioner not working and indoor fan constantly runs. When your window air conditioner fan is not working, you might be tempted to just buy a new one.