Attic Fan Troubleshooting

Essential troubleshooting guide for an attic fan thermostat about attic fans.

Attic fan troubleshooting.

Check that a whole house fan is receiving electrical power when it doesn t work at all. Fan motor runs but the blades don t move sometimes you face an issue where the attic fan s motor comes on but the fan. Attic fan not turning on if the attic fan isn t turning on it could be an electrical issue a problem with the. 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.

Of course check the breaker box. Check to see if there is a switch for the fan. Also check the wire connections at the fan at an electrical junction or at an outlet box. In this case shut off the power to the fan and check the blades.

To eliminate a hot attic you should consider a plan that includes radiant barriers and proper ventilation this is always best done when the home is under construction. Even though the fan is on a thermostat switch chances are likel that there will be a standard on off switch. Other possibilities include damage to the wiring or a switch best repaired by an electrician. Common attic fan problems and how to fix them.

If your solar attic fan is mechanically not working this may be a warranty issue. If the fan motor is running but the fan blades aren t moving this is usually a belt issue. If the attic fan is plugged into an outlet use a voltmeter to make sure that the outlet is working. This issue can happen on any type of attic fan as it is caused by the fan blades being bent dented or broken.

If you your house has a hot attic and ceilings during the summer the solution is a system and not simply a powered attic exhaust fan or ventilator. Attic fan won t turn on. If this doesn t fix the problem a burned out fan motor may need replacing. An attic fan that won t turn on is usually an electrical problem but it can also be an.

What if your attic fan isn t working properly. Make sure to visually inspect your fan to see if it is operating before troubleshooting. There is an automatic monitoring mechanism for the attic fan that switches it on or off according to the. If it automatically trips again after resetting it you may have a short in the wires along the circuit.

Ours was wired to a light switch in the attic. Make sure your solar attic fan is receiving plenty of sunlight before proceeding with troubleshooting.