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April 26, 2021

What To Do if the AC Blower Runs Continuously?

What To Do if the AC Blower Runs Continuously?

What To Do if the AC Blower Runs Continuously?

The blower on your AC unit is an integral part of the system, pushing (blowing) air through ductwork and eventually out of vents into the rooms in your home. It also sucks the hot air from your home before sending it through the AC system for cooling. But what if the AC blower runs continuously?

Normally, when the thermostat is set to ‘auto’, the blower will be initiated when the temperature rises above the desired setting, shutting back off when this temperature is achieved. This blower will also initiate if you manually flip the thermostat to ‘on’.

Common Issues That Can Cause your AC Blower to Run Non-Stop Include:

Extreme Weather: in some cases, your unit may not be able to achieve the temperature you set the thermostat to. This could be due to an aging system, poor insulation or drafty homes in combination with extreme outdoor temperatures.

Thermostat Mishap: It’s worth checking to see if someone has set the thermostat to the ‘on’ vs the ‘auto’ setting.

Faulty Thermostat: A faulty thermostat is also a likely culprit. Try checking the power source, next, open the panel and look for loose wires and clean up the inside with a gentle brush. If that doesn’t work you might need some expert assistance.

Broken Relay Switch and/or Short Circuit: A broken or failing relay switch can prevent your thermostat from sending the proper signals to your AC unit. Similarly, a shorted out circuit can result in a similar outcome.

In most cases, calling a pro is the best option to get sorted out.

Posted On:
April 26, 2021


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