Roof Fan Stopped Working

Fan motor runs but not the blades.

Roof fan stopped working.

You will want to use a circuit tester like ptw2993 to see if there is power getting to the fan. If there is any damage to the belt replace it with a new one. By pulling in cooler air a whole house fan reduces or eliminates the need for air conditioning. Electricity to fan not working if after flipping the breaker and testing a couple different outlets you discover that the issue is electric rather than in the fan itself you will likely need to call in an electrician to take care of it.

Best of all whole house fans use only one tenth of the energy that air conditioning does. Remove the outer casing of the attic fan and check to see if the belt is sagging cracked worn or broken. 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. 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.

But when the fan isn t working the way it should follow these steps to troubleshoot the problem. If the motor is working but the fan blades are not moving the problem may be the belt.