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The heat and fan are running great, but in Florida it's now ac. time. The compressor does not come on. The unit is just blowing warm air. The ac hasn't been used since last November, at which time it cooled just fine.

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Hi,

Here is a tip about troubleshooting your air conditioner...
There are many things that can cause your air conditioner not to cool...

AirConditioner Trouble - Review the Possibilities

heatman101

Posted on Mar 20, 2011

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The thermostat has a timer on the on- cycle (5 min delay for the outside unit and blower inside) if you are not gonna call a service guy then ( for $25) you can go to homedepot (whatever you got out there) and buy a honeywell vertical digital heat and ac t'stat.
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1 Answer

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If the out door fan keeps running and the compressor cycles off that would be the overload in the compressor.
What keeps the windings cool is the refrigerant back to the compressor.
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To check the refrigerant, he needs to check the superheat at the compressor it should be appoximately 12° to15°, and next time the compressor goes off if you shut the power off and feel the top of the compressor and if it's hot 130° or higher it's probably refrigerant.

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If you have a reverse cycle unit (heat pump) your compressor and your fan should be running. You need to determine if your compressor is running.

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