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My air conditioning system was working fine, till last night; it blows out hot air when it is set for cool mode. I checked the outside unit and the fan does not engaged. What do you believe is the problem?

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Check circit breaker for outside unit and fuses to be sure they are okay.

Posted on Jun 23, 2009

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I have a Hampton Bay AC. It is 18,000 BTU. It is 230 volts. The EER is 9.7 and it is 8.3 to 9 amps. When I use energy mode on the AC it blows warm air. What gives? Just cool mode and it blows cool.


Hi Paul,
  • Energy Saver Mode most likely shutdown the compressor and Fan Only will be running to recirculate Ambient air into the room.
  • Make sure there is no Port or Vent that is open on your unit and would let hot air from outside be mixed in with the ambient air especially if it is hot outside.
  • Also refer to the troubleshooting section of your owner's manual.
Good Luck,
JP

Jun 21, 2015 | Hampton Bay Heating & Cooling

2 Answers

Goodman minisplit flashes on pre. Def. Wont start


You have to try resetting the system. First turn the breaker off for the condenser and wait about 20 seconds. After you turn it back on the system should reset.


Air Conditioning Repair Tamarac

Apr 07, 2015 | Goodman Heating & Cooling

1 Answer

Just cut on 8 year old Goodman CPLE24-1 AC for the summer. Ran 8 hours fine, Next morning noticed outside unit running, very little cool air blowing out of inside floor vents (like the blower fan was...


Due to the many different questions I see about Air Conditioning, I am including this overview to help us better understand each other for trouble shooting. A basic air conditioning system has a Thermostat, Air Handler or Furnace Fan and a Condensing unit. In a split system, the condensing unit (Condenser) is separate from the furnace and usually in the back yard. When working properly, it blows hot air. It connects to the cooling part of the system by 2 copper lines. One large line and 1 small line. The part that cools the house is the "Evaporator" and is usually on top of the furnace inside the square metal box (Plenum). When the Air Conditioner is running, the large copper line should be cold and the smaller line should be warm. Common signs of low refrigerant are that both lines are the same temperature and/or frost or ice has built up on the large line at the condenser. The thermostat will normally display room temperature on till it is touched to change the setting. It could have a "Span" setting as well as times and temperatures. The operating "span" of MOST residential thermostats is 40 to 90 degrees. That means you can set it as low as 40 degrees and no higher than 90 degrees. It probably has a fan switch also. When in the "ON" position, the fan will run constantly, 24 / 7, but the condenser will still cycle on and off as needed to keep the house at set point. If you have a suggestion to include in this paragraph, please let me know.

I think I have it covered above. Let me know if you need something more specific. Thank you. Roger

Apr 12, 2011 | Goodman CPLE24-1 Air Conditioner

2 Answers

Central heat does not blow hot air, just warm air weakly


Sounds like some of the elements are not working. You being in Florida they may not have put very many elements in. It was 61 degrees last week. I know because I'm a Dolphin Fan. You will need a current sensing meter to check the elements.

Jan 04, 2010 | Heating & Cooling

1 Answer

AC BLOWS WARM AIR


Cooling comes from what is done outside, if air handler is blowing and you are hearing a sound , may be in the duct work. If you feel warm air in cooling mode then the outside unit is the prob, need more info

Jul 25, 2009 | Heating & Cooling

1 Answer

My a/c system is blowing hot air; outside fan is not engaging


First check for line voltage 240v...if thats good .check for burnt wiring at fan capacitor.if you hear the compressor humming but still no fan you may need a fan motor.. when buying your new motor make sure to match horsepower and r.p.m

Jun 22, 2009 | Weather King 10AJA3601AH Air Conditioner

1 Answer

Window unit air conditioner kicks in only when its really hot out


I would consider replacing the t'stat if it does not seem to cycle at the desired temps. Also, the outside air allows fresh air to be introduced into the conditioned space but it will also effect, to a degree, the units ability to cool the conditioned space. Once you get the unit running, try it with the baffle on and closed and see which one you like. Remember, the outside air has and add humidity and can make it seem hotter than it really is in the room.

May 21, 2009 | Whirlpool Electronic Window Air...

1 Answer

Only blows hot air inside


Set thr thermostat to AC instead of HEAT.

Dec 29, 2008 | Carrier 36KCARMS Air Conditioner

1 Answer

Carrier Air Conditioner, cool air then runs luke warm air


Have you checked the freon level in this unit? If you are low or there is a leak it could be the problem. Hope this helps.

Jul 19, 2008 | Carrier 36KCARMS Air Conditioner

3 Answers

My blower motor doesn't blow air out the air ducts why


Check for a frozen cooling coil. Turn the fan to the on position at the thermostat and the cooling to off. Your cooling coil may be iced over. Allow it to run in the fan only mode until the coil has had a chance to defrost. At the outside unit you may see the large line is frosted. This is the visual indication for a frozen coil. When you return the A/C to cooling use it with the fan on while in the cooling mode.

May 26, 2008 | Carrier XHB123D X/Y Series Heat/Cool Air...

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