Attic Fan Is Turning On But Not Working

An effective solution to the problem is to install an attic fan.

Attic fan is turning on but not working.

There are a few ways to tell if your a c fan is temporarily or permanently out of order. It helps to cool your home temperatures and the attic by approximately 30 degrees. However they are not an effective ventilation mechanism and it can get really hot in the attic during summer. Much of the time if the issue is electric it can be rewired and fixed.

An important control element of this home appliance is the thermostat. Blower won t work on central air. If the motor is working but the fan blades are not moving the problem may be the belt. 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. Turn off the circuit breaker go in the attic uncover the electrical box for the fan and remove the nut caps from the wires. Your outside ac hums but the fan doesn t spin or the entire outside ac unit isn t working at all. The condenser lines should be cold and the air inside the home should be cool.

If the attic fan is plugged into an outlet use a voltmeter to make sure that the outlet is working. Despite hearing the sound of the ac turning on your house is not cooling down as it used to. Fan motor runs but not the blades. 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. The attic is usually built with vents that are designed for ventilation purposes. The warm air escapes through the attic and to the attic vents allowing the circulation of chilly air from the windows. 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.

Attic fan not turning on. 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 first is an inspection of the outdoor unit to physically see if the fan is turning. Otherwise you may need to replace your motor.

When the home s thermostat detects that the living space is warmer than its programmed temperature level a cooling cycle begins. Symptoms of a central a c fan not working. You may need to replace a circuit breaker an electrical outlet or one of the wire connections. The blower motor starts.

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.