HELP AC Line Freezes When The AC Turns Off... - HVAC - Page 2 - DIY Chatroom Home Improvement Forum

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Old 10-13-2009, 07:27 PM   #16
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The outside compressor / condenser fan runs constantly until I turn off the main breaker in my garage.

If I completely disconnect the thermostat no wires connected to it the compressor / condenser fan etc outside continue to run. (by thermostat I am talking about the controller where you input what you want the temperature to be etc inside your house and the compressor and fan is the large unit outside)

Thanks for the help!

Seems as if whatever tells the compressor and fan to turn off outside is not doing its job. I am assuming this is either a short or a bad relay or switch somewhere... just not sure where it would be...


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Old 10-13-2009, 08:03 PM   #17
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If you have disconnected the thermostat (low voltage) wires at the condenser then the problem is in the condenser. Probably a relay or control board. Time for a tech.
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Old 10-14-2009, 07:40 PM   #18
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Take a look at the contactor in outside unit


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