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A/c not cooling

I have A carrier Air V 13500 roof top a/c that is only A few years old it has been used for the last month and it worked very good until yesterday when it stoped cooling.

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Frst, is the compressor running. if not just ask for a hard start-kit.$8:00! Thank-you-very-much!

Posted on Aug 23, 2008

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1 Answer

How can I tell if the compressor is coming on on my Coleman 13500 roof top A/C unit? It blows air but not cooling. Thanks


Hi,
When the compressor starts you will hear the unmistakable noise associated with it...there is a definite hum from the compressor...check the t-stat on the unit... they often go bad..

heatman101

May 19, 2011 | Dometic Rooftop RV Air Conditioner

1 Answer

Not cooling


check the and see if the condenser fan is running. you will find it if you take the top off also check and see if the condenser coil is clean. if it is dirty or the fan under the top is not running it will cause the compressor to short cycle on limits or overload.

May 29, 2010 | Dometic Rooftop RV Air Conditioner

1 Answer

My air conditioner is 1 month old. it stopped


Find the name on your a/c unit. Then look in the yellow pages under air conditioners. There will be a service company that deals in that brand. If it is less then a year old there should be no problem with them fixing it. It should still be under warrenty. You should not need a receipt. Before you do that make sure your breaker is not tripped. The company that installed tour unit should have record of the install. Good luck

Aug 12, 2009 | Carrier 38CKC036 Air Conditioner

1 Answer

When we turn the AC on, after a couple of minutes we hear a hum which lasts about a 1.5 minutes then shuts off. No fan air movement or cooling detected. The unit is 5 years old. We RARELY use it and when...


Go up on roof and using a stick or similar, poke it through the air holes in side & try to turn the fan blade at rear of the air conditioner. Make sure it's off at the time. Try to get 2 or 3 complete revolutions of the fan blades, then try turning it on fan only first,and let it run on fan for a few minutes, then switch to cool. If worse comes to worse and you can't get blades to turn, remove cover on roof (watch for wasps & bees) and spin fan blades a few times by hand, step back & have someone try fan only. If that works, then try cool. Sometimes they get a dead spot from sitting, and that will get it going again, 90% of the time. Let me know how it goes.

Jul 27, 2009 | Dometic Rooftop RV Air Conditioner

2 Answers

Is an old unit worth fixing?


I recommend going with a new one. Both the coleman and the carrier are excellent and a whole lot more efficient that the 16 year old dometic.

May 01, 2009 | Dometic Rooftop RV Air Conditioner

1 Answer

13500 dometic ac for rv with anilog thermostat


My Unit is only about 5 years old; but it's working great now. I spoke to a man at an RV service department, he suggest replacing the thermostate and Jay box, which is the box inside my roof unit, accessable when I remove the filter. When I replaced the thermostate nothing changed, but the Jay box did the trick. The Jay Box came with a new thermostate anyway, and cost around $80. Good Luck

Feb 18, 2009 | Dometic Rooftop RV Air Conditioner

2 Answers

Inside house is warm


Use the spell check and please restate your issue. Have you checked your air filter? Has the unit been serviced recently?

Sep 04, 2008 | Carrier 38CKC036 Air Conditioner

7 Answers

Dometic a/c, duotherm thermostat, turns right back on after it reaches desired temperture.


I have a dometic 13500 BTU Roof mount a/c. It is set up with the duo-therm analog thermostat. The system cools fine. The problem is that the a/c gets down to the right temp, then it turns off like it should but turns right back on within a few seconds. Any help would be greatly appreciated.

May 13, 2008 | Dometic Rooftop RV Air Conditioner

1 Answer

Dometic roof top air-con trouble


1.check wiring of unit.
2.check drain tray.
3.check u band of drain pipe.

Feb 16, 2008 | Dometic Rooftop RV Air Conditioner

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