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View Full Version : Thermostat will not shut off when desired temp is reached.


RedRover56
May 13, 2011, 02:19 PM
I live in a mobile home have 3 ton carrier unit... ac continues to run when inside thermostat reaches desired level.

T-Top
May 13, 2011, 04:50 PM
If its just the outside compressor that runs all the time and not the blower, you have a contactor stuck closed. If the blower and compressor run all the time and over cool the house you have a fault at the thermostat.