Why Is My Fan Not Working On My Ac Unit Troubleshooting Ti Burnt out ac fan motor. there are many reasons why an ac fan motor may burn out, such as over use, poor maintenance, or an obstruction that is preventing the fan from operating properly. once the fan motor burns out, the fan will not longer be able to spin. hvac technicians can fix this problem by replacing the fan motor and inspecting the unit. Photo: istockphoto . if the ac unit fan is not spinning, the first thing to check is the circuit breaker. take a look at the circuit breaker associated with the ac unit and see if it’s been.
Why Is My Ac Fan Not Working How To Fix With Pictures These are common reasons why your air conditioning is not working correctly: your thermostat is not set correctly. one of the most common reasons why your ac fan is not spinning is because the thermostat is not set correctly. be sure the system is set for cooling and not heating and then switch it back to cooling or auto mode and check that the. If the condenser fan doesn’t when the compressor is on, then is due to one of the following reasons: condenser fan capacitor is bad. fan contactor isn’t working. fan motor is bad. shut off your ac and check the fan capacitor, contactor, and motor if the condenser fan isn’t running when the compressor is on. A dead capacitor is by far the most common reason why the condenser ac fan stops working. this is a culprit in more than 30% of all ‘central air fan not spinning’ issues. ac capacitor is a cylindrical device you will find in the outdoor unit. it’s about the same size as your hand, or a bit smaller. 6. loose or broken belt. cause: some older ac units use a belt driven fan. the belt connects the fan motor to the fan, which causes the fan to spin and circulate air. if the belt is loose or broken, the ac fan will stop working. solution: turn off power to the unit and remove the grille to access the fan and motor.
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