Air Conditioning - A/C won't shut off outside

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budman
06-08-06, 05:28 PM
I have a Trane Furnace and A/C. Both are a new install 3.5 years ago. All worked fine until a few days ago when we turned off the A/c and I noticed last night that the compressor and fan were still running outside. I can turn the stat off and even shut the furnace off at the switch. Is there a control board outside that needs replacing? The only way to turn off is to pull the breaker outside.

Thanks in advance!

Ed Imeduc
06-08-06, 05:44 PM
Do you know electric?? If so check out side unit and see it the contactor is stuck. Bugs get into them sometimes. Also check stat inside pull Y wire off and see if that turns it off if so its in the stat.

ED;)
budman
06-08-06, 08:53 PM
Thanks, it was the contact being stuck. I really do hate electric it makes me tingle with all the voltage http://forum.doityourself.com/images/smilies/eek.gif... As soon as I disconnected the low voltage it freed the contact and has been cycling fine ever since.


Thanks again!