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Re: Coleman outdoor air cond. unit comes on but no...
If the compressor is running, you have a freon problem. If the compressor is not running, you have an electrical problem, unless the compressor itself is bad.
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The AC unit outdoors must be running and rejecting heat by its air flowing through it the 2 copper lines are the refrigerant lines, the fatter one should be "beer can cold" if not its low on refrigerant or not running.
Try going outside and locate your outdoor unit. If the thermostat is on, and the fan is running inside, the outdoor unit should be on as well. If it isn't, locate the circuit breakers in your breaker box. There will be two. Trip them back and all the way forward.
If the unit is running outside, sometimes the air cond contractor forgets to come back and charge the unit with refrigerant. In this case be sure to contact the air cond contractor that installed the unit.
Check the outdoor unit to see if it is discharging hot air out of the top ofd the unit, check the insulated suction line to make sure it is cold or sweating. Try to listen to the outdoor fan and the compressor to make sure they are both operating
Yes.Think of a heat pump as a A/C in reverce in cool indoor coil is cold&outdoor coil is hot.Naw indoor coil is hot &outdoor coil is cold&fan is pulling in cold air from outside.its going to iceup& go into defrost cycle.If your unit has a timed defrost every 30,60,or90min.(witch ever yours is set for)Defrost control board checks a sensor on cond.coil,if it is frozen unit goes into defost.You will here a swishing noise,iis the reversing of refrigerant.you will also notice the outdoor fan is not operating&at termanation of defrost fan will blow out steem.the other metod is on demand defrost.when coil freezes unit defrosts.
check capicitor on motor, fan motor bearings may be locking up when they get hot then when cooled the motor comes back on. Then you must replace fan motor.
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