Attic Fan Thermostat Troubleshooting

A fan that won t run is often caused by a failed motor or a bad thermostat. Also check the wire connections at the fan at an electrical junction or at an outlet box. 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.

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You may need to replace a circuit breaker an electrical outlet or one of the wire connections.

Attic fan thermostat troubleshooting.

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. 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. If the attic fan is plugged into an outlet use a voltmeter to make sure that the outlet is 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.

Essential troubleshooting guide for an attic fan thermostat about attic fans. This way you can duplicate your old settings when you install the new thermostat. There is an automatic monitoring mechanism for the attic fan that switches it on or off according to the. 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. Look for the thermostat casing and using a screwdriver open it carefully. How to test an attic fan motor and thermostat. The attic is usually built with vents that are designed for ventilation purposes.

First check the circuit breaker that controls the attic fan.