This attic fan motor is the most expensive repair for attic exhaust fans.
How to repair attic fan.
If the motor isn t working you will need an attic fan motor replacement or attic replacement fan.
Your belt might have deteriorated to the point where it is slipping and not turning the blade effectively.
You can start by checking the fan for debris and making sure that your fan s motor is properly lubricated.
If however the fan still doesn t turn on the problem is most likely with the fan motor or the thermostat.
Sometimes cleaning out your fan and or adding some oil is all it takes to correct a problem.
If the fan comes on you have an electrical problem in the circuit the attic fan is on.
Some attic fan repair problems are relatively simple and can be done without the help of a professional.
Most fans have an on off switch that bypasses the fan s thermostat.
A screw or bolt may have come loose.