Attic Fan Is Turning On But Not Working

The attic is usually built with vents that are designed for ventilation purposes.

Attic fan is turning on but not working.

Despite hearing the sound of the ac turning on your house is not cooling down as it used to. Electricity to fan not working. If the attic fan isn t turning on it could be an electrical issue a problem with the thermostat or the motor of the fan that s not working. Unscrew and remove the fan canopy and make the same inspection.

After some investigating you determine that your outside ac unit isn t running but the inside is. Otherwise you may need to replace your motor. Turn off the circuit breaker go in the attic uncover the electrical box for the fan and remove the nut caps from the wires. The condenser lines should be cold and the air inside the home should be cool.

You may need to replace a circuit breaker an electrical outlet or one of the wire connections. However they are not an effective ventilation mechanism and it can get really hot in the attic during summer. There are a few ways to tell if your a c fan is temporarily or permanently out of order. Blower won t work on central air.

An effective solution to the problem is to install an attic fan. 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. Fan motor runs but not the blades. If the attic fan is plugged into an outlet use a voltmeter to make sure that the outlet is working.

If the motor is working but the fan blades are not moving the problem may be the belt. The first is an inspection of the outdoor unit to physically see if the fan is turning. Much of the time if the issue is electric it can be rewired and fixed. Typically this means one of two things.

Before calling in a pro to fix the fan check that the problem is not from the wiring as there may simply be a short along the circuit or another issue that is not in the attic fan itself. It helps to cool your home temperatures and the attic by approximately 30 degrees. Check the connections to make sure they are sound and you don t see any blackening which is the sign of a loose connection. The warm air escapes through the attic and to the attic vents allowing the circulation of chilly air from the windows.

When the home s thermostat detects that the living space is warmer than its programmed temperature level a cooling cycle begins. The blower motor starts. Attic fan not turning on. Symptoms of a central a c fan not working.

Whole house fans work on the principle of removing the hot and humid air out of the house.