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My home's Air Conditioner shuts off and on until reach temperatur

My home's Air Conditioner shuts off and on every few minutes until it reaches the set temperature. And sometime when the setting temperature is reached, the air conditioning stopped first and then turn on to run a few more minutes, and then stop completely. What's wrong?

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You have some issues that probably need to be addressed by a Certified Tech asap. There's an off chance that it could be just thermostat related. If you feel confident on doing what I'm about to instruct go ahead and try it.If you turn off electricity to your unit(should be marked as A|C or furnace or the like if you have the unit on and turn off at the panel it's easier to locate) you can take the cover off your thermostat and you will find various wires. Unscrew the R, Y, and G wires(if they;re not colored red yellow green make a diagram as to which goes where) and twist them together, Then turn electric back onto unit. If the unit runs normally as it should, then you have a thermostat problem and need to get a new one right away. Remember you unit is worth $2,000 to $6000 don't let and electrical malfunction compromise the value, if it.s not the thermostat get someone qualified to look at it. Leave it off til they get there. Good Luck

Posted on Jul 16, 2009

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Debi, it;s not unusual for an AC unit to turn ON & OFF. Once it reaches the temperature that you have it set ON and holds the temperature for 4 or 5 minutes, it will shut OFF until the room temperature rises above it. Be sure all the doors and windows are closed and no hot air is infiltrating the area.

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If you have an air conditioner with a temperature display, use the up or down arrows on the touch pad to change the temperature setting.

However, if you have an air conditioner with only a dial that goes from 1 to 8 (or whatever number), turn the dial up as high as it goes and put the fan speed on high. When the desired comfort level is reached, slowly turn the dial down until the compressor just shuts off. You will be able to hear when this happens.

If the temperature gets a bit too warm turn the dial up in small increments and wait an hour or so to see if your comfort level is reached.

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