Central Air Conditioner Condenser Fan Not Running

There are a few ways to tell if your a c fan is temporarily or permanently out of order.

Central air conditioner condenser fan not running.

Here is the start of the problem. If the compressor isn t starting check the wiring connecting the two units. Don t put your fingers in or near the grate if the fan takes off and then keeps going on its own you more than likely have a bad start capacitor. Capacitors store up the energy that powers the air conditioner s fans.

Another problem that may cause your air conditioner fan to not spin might be a belt that has either broken or became loose. You took over its job of kick starting the fan by pushing the blades. As we explain at burned out compressor if the condensing unit fan is not working the compressor itself may shut down or even be ruined by overpressure or over temperature. Mel it has been very hot in s e michigan the last few months central air unit working fine all along cools nicely.

If your air conditioner fan is not spinning the problem could be a faulty belt. Your system s air filter traps dust dirt and other airborne pollutants to keep indoor air and internal cooling system components cleaner. A capacitor may be used to start the fan and keep it running as in a start run capacitor. Another common and easily remedied situation that sometimes results in a central air conditioner fan not working is a dirty clogged air filter.

If the fan isn t running at all or there is warm air blowing it s time to troubleshoot. If it s a blown fuse or tripped circuit breaker the search has come to an end. Air conditioner is turned off but fan keeps running if your blower fan is continuing to run after the system has already turned off and you made sure your thermostat isn t set to the on position then you ll want to try and pinpoint the issue. If the condenser fan is running you will see the fan blade spinning at speed typically at 1725 rpm and you will feel air blowing out of the unit.

If the fan doesn t start running you may have a bad fan motor. In this case the outdoor fan is not running due to a bad capacitor. Most of the air conditioning systems that use belts are outdated units. The condenser lines should be cold and the air inside the home should be cool.

Condenser fan run but not the compressor motor by. Other potential causes may include a faulty thermostat mismatched indoor and outdoor units or the ac may just be old. Some units also have dual capacitors that power you air conditioner s fans as well as your compressor. The fan keeps running because the central unit has no such problem.

The first is an inspection of the outdoor unit to physically see if the fan is turning. When an outside fan fails the most likely cause is a capacitor issue.