Attic Fan Is Turning On But Not Working

Typically this means one of two things.

Attic fan is turning on but not working.

It helps to cool your home temperatures and the attic by approximately 30 degrees. Unscrew and remove the fan canopy and make the same inspection. If the motor is working but the fan blades are not moving the problem may be the belt. After some investigating you determine that your outside ac unit isn t running but the inside is.

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. You may need to replace a circuit breaker an electrical outlet or one of the wire connections. 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. Blower won t work on central air.

The whole house fan is installed inside the attic between the living space and ceiling. Otherwise you may need to replace your motor. The condenser lines should be cold and the air inside the home should be cool. The first is an inspection of the outdoor unit to physically see if the fan is turning.

The attic is usually built with vents that are designed for ventilation purposes. When the home s thermostat detects that the living space is warmer than its programmed temperature level a cooling cycle begins. Electricity to fan not working. Much of the time if the issue is electric it can be rewired and fixed.

There are a few ways to tell if your a c fan is temporarily or permanently out of order. Turn off the circuit breaker go in the attic uncover the electrical box for the fan and remove the nut caps from the wires. An effective solution to the problem is to install an attic fan. Symptoms of a central a c fan not working.

However they are not an effective ventilation mechanism and it can get really hot in the attic during summer. If the attic fan is plugged into an outlet use a voltmeter to make sure that the outlet is working. Your outside ac hums but the fan doesn t spin or the entire outside ac unit isn t working at all. 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 blower motor starts. Fan motor runs but not the blades. Whole house fans work on the principle of removing the hot and humid air out of the house. An important control element of this home appliance is the thermostat.

Check the connections to make sure they are sound and you don t see any blackening which is the sign of a loose connection.