If the fuse has blown this can be as easy to fix as replacing the fuse in an older home or resetting the circuit breaker in a newer wired home.
Attic fan thermostat troubleshooting.
How to test an attic fan motor and thermostat.
A fan that won t run is often caused by a failed motor or a bad thermostat.
Fan motor runs but not the blades.
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.
If the attic fan is plugged into an outlet use a voltmeter to make sure that the outlet is working.
First check the circuit breaker that controls the attic fan.
The attic is usually built with vents that are designed for ventilation purposes.
Essential troubleshooting guide for an attic fan thermostat about attic fans.
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.
This way you can duplicate your old settings when you install the new thermostat.
Also check the wire connections at the fan at an electrical junction or at an outlet box.
You may need to replace a circuit breaker an electrical outlet or one of the wire connections.
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.