Often, these inefficiencies are a result ofĬlogged or restrictive air filters, dirty or frozen evaporator coils,ĭirty or blocked condensers, or low refrigerant. Units (not just the fan) can run nonstop in an effort to reach theĭesired temperatures. Good chance you’re due for a repair or replacement. Room temperature is below what your thermostat is set for, there’s a Knowing when the desired temperature has been reached. – A faulty thermostat can cause your AC fan to run constantly by not Stick together from electrical currents, causing a circuit to stay Your air conditioner unit help open and close electrical circuits to OFF (if your thermostat has an OFF setting).Īre correct, contact your trusted HVAC technician to troubleshootįurther and resolve the issue. Is not set to ON, and that it still runs when switching it to AUTO or Fan still blowingĪfter a few minutes? Double-check the thermostat and make sure the fan Temperature in the winter to check your furnace). Set the desired temperature above the current room temperature so theĪir conditioner unit turns off (set the thermostat below room Out to start replacing components, check the thermostat settings first. If it’s not the relay, your thermostat likely has a shorted cable or needs to be replaced. The most common reason that your Air Conditioner fan won’t turn off is because a stuck relay keeping the circuit closed.
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