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Turns Off and On Every Couple of Minutes

Troubleshooting Air Conditioners Last Updated 09/19/2017

TURNS OFF AND ON EVERY COUPLE OF MINUTES

If the air conditioner is set to Energy Saver, this is likely the cause of the unit shutting on and off. Check the control panel to see if this mode is active. When in Energy Saver mode, the unit will run until the desired room temperature is reached. Once that temperature has been reached, both the compressor and circulation fan will shut off. After that, the circulation fan will cycle on approximately every 3 minutes to test the room air to determine if active cooling needs to resume.

An air conditioner that has a BTU rating for a large room will not work efficiently in a space that is too small. If a large capacity unit is placed in a room that is too small, cool air blowing out of the vents will lower the temperature of the room too rapidly causing the unit to stop actively cooling. This leads to the air conditioner cycling on and off very frequently because the unit is overpowered relative to the size of the room it’s in.

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