Roof Hvac Unit Smoking Fan Not Working

How to troubleshoot fix an ac fan not spinning.

Roof hvac unit smoking fan not working.

Your power could be out you have a dead capacitor a contactor is failing or your motor burnt out. Attic fan not turning on. It involves dealing with high voltage and there is a risk for serious or even deadly electric shock if not done safely and properly. The fan has completely stopped spinning.

If the motor has not been lubricated or the unit kept clean this can lead to overheating problems. It s possible but not recommended unless you are completely comfortable with and have experience working with the electrical components of your a c unit. Check under the unit and the cold exterior surface of the indoor coil enclosure. However your capacitor can go bad for various reasons and stop working properly which will force one of your system s fans to stop spinning.

Then go outside and clean off the condenser coils photo 2. Additionally if your fan isn t working at all the cause could be entirely different reasons. Check your outdoor unit for signs of water if the fan is still not turning on. 5 common reasons why your central air conditioner fan is not working.

If your system has frozen up turn off your thermostat for one to three hours to see if it unfreezes. If the attic fan isn t turning on it could be an electrical issue a problem with the thermostat or the motor of the fan that s not working. Then be sure the furnace filter is clean. Not having the fan blades installed in a correct position can result in a lack of airflow and cause the motor to overheat.

Your attic fan may not be turning on because of an electrical problem like a tripped circuit breaker a blown fuse or a bad connection. A capacitor stores up energy that provides power to your air conditioner s fans. While the hvac techs are at your home they can inspect your entire hvac system for dust and debris from smoke exposure. It may feel warm to the touch but if it is noticeably or excessively hot there is likely a problem that needs to be addressed.

Locate an open register and check for cool air after waiting for 30 seconds. Adjust the thermostat setting 3 to 5 degrees below the room temperature. You can easily tell if your condenser fan motor is overheating by placing your hand on top of the unit. Reset the air conditioner at the circuit.

Make sure all the registers in the house are wide open. If you believe that the ac s not working or you re getting little or no cold air check these three things first. Without a good duct cleaning your hvac system will kick up the harmful particulates in the duct work every time the fan runs. Start with the easy fixes.

In this case the outdoor fan is not running due to a bad capacitor. If several registers were closed or the filter was clogged the reduced airflow could have caused the evaporator coil to ice up and stop cooling your home. Ac not working or cooling.