Why The New Attic Fan Is Not Working

Remove the outer casing of the attic fan and check to see if the belt is sagging cracked worn or broken.

Why the new attic fan is not working.

Locate the thermostat casing and open it using a screwdriver. The downside of attic ventilation fans. This issue can happen on any type of attic fan as it is caused by the fan blades being bent dented or broken. However the utility of attic ventilation fans is actually quite a controversial topic.

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. You can diagnose it by plugging other electrical appliances that are working into the same outlet and by plugging the fan into a different power outlet. If this doesn t fix the problem a burned out fan motor may need replacing. Adding an attic fan may help to lower the ambient temperature in the attic but it s not an ideal solution.

Caught blades if you notice that the ventilation from the attic fan is not flowing as well as it should be there might be a blade caught somewhere. In this case shut off the power to the fan and check the blades. The replacement is quite simple and straightforward. Fan motor runs but not the blades if the motor is working but the fan blades are not moving the problem may be the belt.

If there is any damage to the belt replace it with a new one. Switch off the power of the attic fan and remove the power cord. Good insulation reduces fan effectiveness. Poor cooling performance means that one or more of the factors affecting either sizing of the product or installation were not properly addressed.

Other possibilities include damage to the wiring or a switch best repaired by an electrician. Check that a whole house fan is receiving electrical power when it doesn t work at all. If you notice that the attic fan is not switching on or off according to temperature variation it indicates that the thermostat is no longer functioning properly. Attic ventilation fans whether hard wired or powered by their own solar panels seem like a low cost and effective way to help keep your house cool.

The extreme temperatures in your attic are always working against your hvac system making it work extra hard to perform properly.