Attic Fan Troubleshooting

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

Attic fan troubleshooting.

Even though the fan is on a thermostat switch chances are likel that there will be a standard on off switch. If your solar attic fan is mechanically not working this may be a warranty issue. Check to see if there is a switch for the fan. If the attic fan is plugged into an outlet use a voltmeter to make sure that the outlet is working.

Common attic fan problems and how to fix them. Ours was wired to a light switch in the attic. An attic fan that won t turn on is usually an electrical problem but it can also be an. 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.

Make sure to visually inspect your fan to see if it is operating before troubleshooting. If the fan motor is running but the fan blades aren t moving this is usually a belt issue. This issue can happen on any type of attic fan as it is caused by the fan blades being bent dented or broken. Other possibilities include damage to the wiring or a switch best repaired by an electrician.

Attic fan won t turn on. If it automatically trips again after resetting it you may have a short in the wires along the circuit. If this doesn t fix the problem a burned out fan motor may need replacing. In this case shut off the power to the fan and check the blades.

Make sure your solar attic fan is receiving plenty of sunlight before proceeding with troubleshooting. 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. What if your attic fan isn t working properly. Of course check the breaker box.

Look at the circuit breaker or fuse box to see if a switch has flipped. 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. Also check the wire connections at the fan at an electrical junction or at an outlet box. Last but not least it could be the fan motor or bearing is out and the fan needs to be replaced.

Check that a whole house fan is receiving electrical power when it doesn t work at all. 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.