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Old 06-01-2016, 02:58 PM   #1
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Roof top Air Conditioner

Has any one had a problem with a Dometic 15k BTU roof top air conditioner not cooling ??

I have a 2015 Surveyor 265RL and have had the dealer check the A/C unit, he said it was working fine.
I just completed a six week trip and when the outside Temp. was above 79-80deg F the inside Temp. would not get below 76-77deg F and the unit ran all the time.

Any answers ???

JJ
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Old 06-01-2016, 03:07 PM   #2
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There were a few threads and a poll started in the last 2 days about this exact question. Hit the search feature or look under "recent" and you will see them and most likely find the answers
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Old 06-01-2016, 04:16 PM   #3
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Take the filter grate off and check the return air / fresh air divider to see if it hasn't come loose.


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Old 06-01-2016, 04:17 PM   #4
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Old 06-02-2016, 12:53 PM   #5
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We just had our one and a half year old dometic replaced and the service tech told us we were air conditioning the attic he used a lot of tape to seal it now the new one is a lot quiter
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Old 06-02-2016, 01:15 PM   #6
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When it is hotter out it should drop the temp more. No more then 10 -15 then outside . Get a laser light temp recorder they are cheap measure temp coming out should be in the no more then
Upper 40 low fifties.
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Old 06-02-2016, 01:20 PM   #7
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Having the same problem still waiting to find out just what the problem is 2015 Coachman Freedom Express 322 RLD. Dealer going to check it out just have to wait my turn seems everybody is have theirs work on too.
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Old 06-02-2016, 02:55 PM   #8
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Bad ac

Dealer replaced my unit on our 2016 Coachmen Chaparral. Said there was a bad run of Dometic units last year. Bought trailer new last July and accounted replaced in Feb 16
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Old 06-03-2016, 08:58 AM   #9
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Smile 2015 Dometic Brisk A/C

Bought our Sunseeker 2860 in June 2014 and just wasn't cooling right last year. This year one trip and no cooling 1 month left on warranty. Took it to dealer who checked and replaced A/C unit, loss of freon. Even with other units in line took less than a 2 week period. No cost, thanks McClain Rockwall, Texas
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Old 06-03-2016, 09:24 AM   #10
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I have yet to check mine and should soon. The difference between ambient air at the return and the closest cold air outlet with a unit operating properly should be close to 20*. Things like poorly insulted ducts and improperly installed units will affect this reading. If you are only seeing a 10* difference there is a problem.
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