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My central heating and air unit is blowing inside but nothing is turning outside; no cool air

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The first thing I would check is the breaker/disconnect that feeds your outside unit with electricity. If it seems fine then i would check the electrical contact/relay that energizes the compressor. Low voltage from your thermostat is sent to a small coil in the contact/relay that is energized to pick up a set of contacts. These contacts allow the supply voltage to flow through them to turn on your compressor and fan. If your thermostat is in the on position, have an electrician use a meter to see if there is voltage on either/both sides of the contact. If it is only on the supply side, then you probably have a bad contact. Fairly inexpensive fix if you are a do-it-yourselfer. Also, make sure that your thermostat is sending out a signal to the contact. A meter will show you a low voltage signal if it is working.

Posted on Oct 09, 2009

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I have a uaka-018jaz outside Central air unit. The other day the unit is still running but nothing is blowing out of the vent inside house in floor. The condenser or coils in the vent frosted


First you have to make sure the blower motor is running. That is the fan motor on the indoor unit. If the fan inside is running and the filter is clean you are likely low on refrigerant. If the indoor fan is not running this would be the reason for the frost. If the unit is iced up turn the system to off and the fan to on on the tstat. This will help defrost the coil. Good Luck.

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Unit not cooling inside below 72 degrees lines sweating


how hot is it outside??? 20 degree split is usually the norm ,,,,,outside 95 then inside will be 75,,,,,where is the line sweating ,,, it should sweat near outdoor unit

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1 Answer

Goodman central air conditioner not blowing normally


It sounds like the compressor is not coming on in the outside unit. If it worked fine and was cooling before, then your compressor probably over-heated and tripped the internal overload switch which causes it to stay off while everything else is working. The most common cause of your compressor over heating is an incorrect refrigerant charge, though it could be a few other things like a restriction in the copper line set. You will be able to hear the fan motor and the compressor kick on if you listen close while the system first turns on. If the compressor is over-heated, then after it cools to a save temperature, it will come on again, but only till it over-heats again. I would have the charge checked on the system, but remember that if the compressor is over-heated when the technician gets there, there is nothing he can do until it cools down and time is money! It's best to not run it until the problem gets figured out. Hope this helps and points you in the right direction. Good luck!

Jul 17, 2010 | Heating & Cooling

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Why would my heat pump central air blow cold then warm


Sounds to me like you have wiring issues. Need to make sure all your connections are tight, wires are clean and free of bare spots (possibly from rodents chewing them)and your settings on your tstat are correct. Heat pump with back up electric heat.

Jun 09, 2017 | Heating & Cooling

1 Answer

Why would cool air be blowing out of my central ac unit condensor that sits outside? The other unit I have next to it blows out warm air and responds well to thermostat changes. The unit blowing cool air...


It probably has a low refrigerant charge. The air coming out of the outside unit should be warmer than the outdoor temperature when in the cooling mode and if it's a heat pump it should be colder than the outdoor temperature in the the heating mode. Check the big line going to the unit, it should be somewhere around the 40 F range and the small line should be hot.

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1 Answer

Central heating and air unit is blowing fine in the inside, but nothing turning on the outside, no cool air


Check and see if the fan will turn easily by hand. Do not put your hand inside with the power on. Turn on unit, take a small stick and try to turn the motor. if the motor starts and runs then you capacitor is probably bad. if the motor is hard to turn then the motor is bad.

Oct 07, 2009 | Goodman CLQ36AR49 Air Conditioner

1 Answer

CENTRAL AIR UNIT IS NOT BLOWING INSIDE BUT THE COMPRESSOR OUTSIDE IS RUNNING. WHEN I GO DOWN TO THE BASEMENT TO CHECK THE FILTER-THE BOTTOM OF THE UNIT AND THE FILTER IS WATER LOGGED. ORIGINALLY IT WAS...


There may be a leak. You might try shutting it down and taking a look inside. On the other end, there may be something wrong with your components inside. The compressor outside is to provide coolant. Inside, the fans actually cool the air. Make sure all doors are on the blower downstairs, and if all else fails, call a technician. Good luck!

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Uotside unit blowing cool air but hot on the inside


It sounds like you have a unit called a heat pump. When a heat pump unit is in cooling mode the outside unit blows hot air and the inside unit blows cold air. If the outside unit is blowing cold then the indoor unit is most likely blowing room temperature or warm air. It sounds like the thermostat could be controlling incorrectly or you could have a failed reversing valve which is the device that switches the unit from heating to cooling mode.

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2 Answers

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no cooling means outside unit is not operating due to
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Apr 27, 2009 | Heating & Cooling

1 Answer

Non-working outside unit


If your unit is blowing heat inside and it's not a heat pump. It will be most likely electric heat in your case.
Sounds like you have a split unit meaning the condenser is outside and the cooling and the heat features are inside or under your home.If your Rudd is a heat-pump the outside unit will cycle/blow cold air outside in winter and hot air will cycle/blow outside during the summer season. Now, if for some reason the heat  is not coming on inside the house, would be the only reason that you would need to be concerned. Being a heat relay or breaker of could cause that problem. Hope this helps you, Sea Breeze 

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