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My colmen central air unit is not working properly. The Outside unit is not working. The problem initally arouse in June, but it "self corrected" after having the A/C unit turned off. Since that time the unit has run perfectly untill now. I did look for a reset button, but was unable to find one. The system (at most) is only 4 years old.

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If nothing is running outside at times you probably have a weak contactor coil that is not pulling the contactor in all the time. If the outside fan comes on but not the compressor, the compressor is over heating and shutting off on overload protection. This could be a dirty condenser coil, low on refrigerant, the compressor it's self. The compressor comes with a 5 yr. warranty.

Posted on Sep 27, 2008

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