This issue can happen on any type of attic fan as it is caused by the fan blades being bent dented or broken.
My attic fan stopped working.
For attic ventilation you need natural ventilation.
On 2020 03 02 by anonymous outside fan is not running.
If the fan does not run with power to it you have identified a failed motor.
The fan is not nearly enough for what you need is it hot in the attic and it costs lots of money to run.
If the motor is working but the fan blades are not moving the problem may be the belt.
Like a ridge row ventilator and full openings on your soffits.
If there is any damage to the belt replace it with a new one.
It sounds simple but your first step should be to make sure the cord is securely plugged in.
Check for a reset button.
If you hear a humming sound but the fan isn t working that s a sign your fan is getting electricity.
If your plug keeps falling out you may want to replace the receptacle for a nice tight fit.
Usually there is some easy way to hotwire the motor and connect it directly to power.
On 2020 01 26 by mod heat pump fan out side is not working.
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.
Probably as much to run it as it saves by cooling the attic.
Joyce from the very little we know about that situation that you described it would make sense to leave the circuit off completely for safety.
My outside fan is not running even though the heat pump is on.
Attic fan not turning on.
Over time vibrations from a fan motor can loosen a plug from an older outlet so check this first.
Remove the outer casing of the attic fan and check to see if the belt is sagging cracked worn or broken.
In this case shut off the power to the fan and check the blades.