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Call an HVAC repairman. You're probably low on freon and a protection system is keeping the compressor from burning up.

Sounds like to me it is a protection device. Probably an internal overload on the compressor. Have you checked the outside coils they may be blocked with dirt? This would cause the compressor to go out on overload.

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โˆ™ 2010-07-24 06:09:44
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Q: What should you do if your residential AC outside unit fan will come on and the compressor will only come on for a second and then shut off and the unit is not throwing a breaker?
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