Why The New Attic Fan Is Not Working

If there is any damage to the belt replace it with a new one.

Why the new attic fan is not working.

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. Check that a whole house fan is receiving electrical power when it doesn t work at all. If this doesn t fix the problem a burned out fan motor may need replacing. Good insulation reduces fan effectiveness.

This issue can happen on any type of attic fan as it is caused by the fan blades being bent dented or broken. Locate the thermostat casing and open it using a screwdriver. In this case shut off the power to the fan and check the blades. 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.

Other possibilities include damage to the wiring or a switch best repaired by an electrician. 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. 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. The downside of attic ventilation fans.

Remove the outer casing of the attic fan and check to see if the belt is sagging cracked worn or broken. The replacement is quite simple and straightforward. 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. The extreme temperatures in your attic are always working against your hvac system making it work extra hard to perform properly.

If your solar attic fan is working but you are not getting the attic cooling performance you expected this may be an installation related issue. However the utility of attic ventilation fans is actually quite a controversial topic. Poor cooling performance means that one or more of the factors affecting either sizing of the product or installation were not properly addressed. Click the link to the left.

Look at the circuit breaker or fuse box to see if a switch has flipped.