Question about Dometic Rooftop RV Air Conditioner

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No cool air!

Its not blowing air at all, but I know the AC unit is working, whats wrong with it?

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If it starts blowing when you turn up the thermostat, but dont get any cold air most likely the coolant leaked of, call a repair person

Posted on Jun 24, 2009

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1 Answer

Unit not working correctly. The unit worked for the winter, few days ago I turn on the AC and noticed that it wasn't cooling like it should.


It's could be the board or a heat relay. See if you have 24 volts on "x2" im assuming, emergency heat when in cool mode if so it's the board. Or unhook black or x2 or your emergency heat from board and run unit in cool. If heat stays on its a relay

Jun 02, 2016 | Heating & Cooling

1 Answer

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

1 Answer

I have a frigidare ac window unit 6000 btu getting a fine mist blowing out of vents its still cool and works fine but whats causeing the mist ty in advance.


Hi,
I am getting that too today... nothing wrong, just a very. very humid day....
Here is a tip about troubleshooting your air conditioner...
There are many things that can cause your air conditioner not to cool...

AirConditioner Trouble - Review the Possibilities

heatman101

Aug 07, 2011 | Frigidaire Heating & Cooling

1 Answer

RV AC unit won't cool, blows chuncks of ice


It's most likely an airflow problem, you say you had the vents closed? Icing up is normally caused by lack of load (air flow) or loss of refrigerant charge. Make sure all your vents are open to allow for as much airflow as possible and that your filter is clean. Some units do not work well on low airflow setting when the outdoor temps cool down at night.

Sep 09, 2009 | Dometic Rooftop RV Air Conditioner

1 Answer

Our AC (Heat pump)is blowing hot air in the afternoons as the temperature outside rises. We have had the freon checked and it is okay. The AC will blow hot air for about 30 minutes then blow cool air. Our...


Your unit may be going into a defrost cycle. If so sounds like a bad defrost board. It sends a signal to electric heaters inside to come on. Change board and sensor

Jul 28, 2009 | Whirlwind FH-778 Air Conditioner

1 Answer

AC is set on cool & furnace comes on blowing hat air


My first thought is a bad thermostat or control board or maybe something is wired wrong. If all that seems to be working I would look at the outside unit. if that condenser fan motor is not operating then you wont get any cooling. look for a swollen capacitor. Read more

Jun 06, 2009 | Bryant 463AAC005BA Air Conditioner

1 Answer

AC unit outside turns on but no air blows through the vents


The first problem sounds like the wiring is wrong up at the heating unit not turning on the blower fan in the heater when you call for cooling. Most typical is either something has chewed the wires or the wires have been stripped b something else. The AC not cooling your house can be either it is low on freon or the system is to small for your house. Also check your filter and make sure that it is not blocked and everything is clean with the filter

May 28, 2009 | Heating & Cooling

2 Answers

My AC is not cooling the air


Hello
Welcome to fixya.
I'm Huuum and happy to assist you,

You said, it is not blowing cool air after you emptied the tank.

Turn the unit off and unplug it for 5 minutes.............
Then back in with the plug and turn it on max cool.
Give it 5 or 10 minutes to get cold, and we will see if this procedure has reset the system.
Then get back to me and let me know it's working!

How old is the unit?


Please remember to leave a rating before you go!
Thank you Huuum

Aug 04, 2008 | DeLonghi Pinguino PACL90 Portable Air...

2 Answers

Air conditoner


Sounds like your compressor is locked up or is running under a sevre load you would be best to call a professional

Jun 11, 2008 | Whirlwind FH-778 Air Conditioner

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