Attic Fan Not Spinning

I have sophits and gabel vents.

Oscillating fan vs box fan. Slide a long thin wooden stick through the fan grate and gently push one of the blades to try to get the fan spinning. I have an attic fan that wont spin. 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.

Motor running but blades not spinning. Both turbins are only about 4 years old. Whole house fans are used to blow hot air out of the attic by sucking cool air through the house up though the whole house fan and out though the gable vents in the attic.

If the vents are blocked by insulation boxes or other obstructions heat will not be able to escape through them and they will not spin. To solve most problems with an electric fan disassemble the fan lubricate the central pin and bearings and clean out the vent and motor case. So if the capacitor attached to your fan motor is bad the fan wont start spinning.

A fan that wont run is often caused by a failed motor or a bad thermostat. If the attic fan isnt turning on it could be an electrical issue a problem with the thermostat or the motor of the fan thats not working. Fan motor runs but not the blades.

I have taken them off and oiled them and they spin freely and easily when spun with the hand. How to test an attic fan motor and thermostat. I can push it along to get it spinning but it only spins slowly and i can make the spin work going in either direction.

Whether the blades arent spinning or the fan is making tons of noise most issues with an electric fan are caused by poor lubrication or blockages in the vents. In the case of this problem you will see that your motor is functioning properly but the blades are not moving to push the. I feel that the turbins not pulling the heat from the attick is part of my high electric bill and just a 2 ton unit instead of 25 ton is another part.

Heres an easy way to test if the fans capacitor is bad. These fans are usually wired to run in one direction. Do not use any kind of conductive metal or material to do this.

You may need to replace a circuit breaker an electrical outlet or one of the wire connections. If the attic fan is plugged into an outlet use a voltmeter to make sure that the outlet is working. If the motor is working but the fan blades are not moving the problem may be the belt.

When i turn it on the motor hums and the fan moves back and forth a little like it doesnt know which direction to go. Climb up into your attic and look at the vents from the inside. Attic fan not turning on.