Switch off the power of the attic fan and remove the power cord.
Attic fan thermostat not working.
Turn off the attic fan and remove the cord from the outlet.
Btw we don t have a switch installed for it do we need to have a switch installed.
All of a sudden that attic fan isn t needed anyway.
If there is any damage to the belt replace it with a new one.
Just like the first one.
Remove the outer casing of the attic fan and check to see if the belt is sagging cracked worn or broken.
Replacing a defective thermostat.
These easy steps will guide you to replace a defective thermostat.
Adding an attic fan may help to lower the ambient temperature in the attic but it s not an ideal solution.
We are on our second attic fan but it won t stop running.
The extreme temperatures in your attic are always working against your hvac system making it work extra hard to perform properly.
Little or no airflow.
Attic fan not turning on.
The replacement is quite simple and straightforward.
If the motor is working but the fan blades are not moving the problem may be the belt.
Unless you are qualified to do electrical troubleshooting if the breaker for that circuit is not tripped and the power switch is on you need an expert.
If you notice that the attic fan is not switching on or off according to temperature variation it indicates that the thermostat is no longer functioning properly.
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.
Locate the thermostat casing and open it using a screwdriver.
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.
Fan motor runs but not the blades.
Why won t it stop running.
If you observed that the attic fan is not switching off and on at the preset temperatures the attic fan thermostat might not be functioning properly and you might need to replace it.