Son called and their AC unit outside was not running and found out the inside is not running. Then he found a sink backed up apparently from the AC drip pan drain. He sees a set of wires running from the drain line. Is there a switch that turns the unit off if it detects a drain problem. Any ideas?? Thanks in advance.
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Originally posted by BO-N-ARO View PostSon called and their AC unit outside was not running and found out the inside is not running. Then he found a sink backed up apparently from the AC drip pan drain. He sees a set of wires running from the drain line. Is there a switch that turns the unit off if it detects a drain problem. Any ideas?? Thanks in advance.
Yes, there is often a switch on the secondary drain line. Need to find and diagnose the cause of the water though.
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Originally posted by Scubasteveo View PostThose switches are notorious for going bad, They make a sensor to go in the pan that is a lot more reliable. I just had my whole system replaced and made sure to get the sensor installed.
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