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.
Attic fan thermostat troubleshooting.
You may need to replace a circuit breaker an electrical outlet or one of the wire connections.
First check the circuit breaker that controls the attic fan.
Look for the thermostat casing and using a screwdriver open it carefully.
An attic fan that won t turn on is usually an electrical problem but it can also be an issue with the fan motor or the thermostat.
The attic is usually built with vents that are designed for ventilation purposes.
With a writing pad take note of the temperature settings power rating of the thermostat and fan capacity in cubic feet per minute for reference purposes.
This way you can duplicate your old settings when you install the new thermostat.
How to test an attic fan motor and thermostat.
Also check the wire connections at the fan at an electrical junction or at an outlet box.
Fan motor runs but not the blades.
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.
Essential troubleshooting guide for an attic fan thermostat about attic fans.
A fan that won t run is often caused by a failed motor or a bad thermostat.