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No Power To Air Conditioner

by Rachelle
(Lancaster)

The air conditioner was working only if we messed w/the thermostat for awhile then we changed the thermostat and now it doesn’t work at all even w/the original thermostat.

There is power going to both unit and wires but wont go on with switch. Thermostat works well at other house. Rheem rooftop unit(central air).

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No Power To Air Conditioner

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Jun 08, 2011
Rating
starstarstarstarstar 		Helping Hand
by: Anonymous

Check your drip pan to see it's not full. It's located on/under your air handler (blower), also known as a condensor unit, in your basement, garage or utility room. When the drip pan is full of water and condensate jelled substance, the sensor will shut off your unit.

This is to protect your floors. Simply empty the drip pan and turn off the switch to your unit and back on again. If this doesn't correct the issue or there is not drip pan, check to make sure the drain hose isn't clogged.

You can also check your fuse panel to see if the circuit break was tripped (turned itself off due to overload). Also check you fuses.
Jun 27, 2010
Rating
starstarstarstarstar 		Not Specific Enough
by: Shawn

To Anonymous

When you said, "nothing." I'm guessing you didn't hear the compressor running or the contractor made sound.

I don't know why your condenser unit not coming on. You probably don't have power or so many other factors.

Jun 27, 2010
Rating
starstarstarstarstar 		me too
by: Anonymous

Okay i have the same problem. I can turn the fan to on and it will run but the unit outside does nothing!
Jun 02, 2010
Rating
starstarstarstarstar 		Test Thermostat
by: Shawn

It’s possible the old thermostat is bad. I don’t know why it didn’t work with the new thermostat. Are you sure you have the right thermostat for your specific central air conditioner and you wire it right?

Here a test you could do with new thermostat for that specific unit. Turn the Fan from Auto to On. Does the indoor fan runs?

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