Attic Fan Thermostat Troubleshooting

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.

If the attic fan is plugged into an outlet use a voltmeter to make sure that the outlet is working. The attic is usually built with vents that are designed for ventilation purposes. A fan that won t run is often caused by a failed motor or a bad thermostat. 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.

Look for the thermostat casing and using a screwdriver open it carefully. How to test an attic fan motor and thermostat. This way you can duplicate your old settings when you install the new thermostat. You may need to replace a circuit breaker an electrical outlet or one of the wire connections.

There is an automatic monitoring mechanism for the attic fan that switches it on or off according to the. 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. Also check the wire connections at the fan at an electrical junction or at an outlet box. Fan motor runs but not the blades.

Essential troubleshooting guide for an attic fan thermostat about attic fans.