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Old 10-01-2012, 07:19 PM   #1
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2011 Canyon Star Air Conditioners not cooling

I recently purchased a new 2011 Canyon Star. It is only 15 months old. At 9 months and only 2 trips, the back air conditioner was failing to cool. I took it in for service and supposedly it was fixed under warranty. I clean the air filters regularly. I love this motorcoach, but am wondering if this is common for air conditioners to not work.
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Old 10-01-2012, 07:33 PM   #2
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Very rare at that age. Our heat pumps are going on 10+ years now and still work fine. Usually appliances fail early in life if they're going to. That's why you have a warranty from Newmar.
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Old 10-01-2012, 07:35 PM   #3
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What brand of A/C units on the coach. Have you checked the temperature difference between the inlet and the outlet (as close to the unit as possible). You should have 18 to 20 degF across the unit. More or less....you have a problem.

It is not common for them not to work. Often the problem is traced to a poor installation.

Ken
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Old 10-01-2012, 07:43 PM   #4
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When you took it in for repair, what did they find wrong? When you say it is not working, is it running but not cooling or does not turn on? I assume you have double checked your thermostat ?

Mike
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Old 10-01-2012, 07:44 PM   #5
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I bought a Jayco fiver in 1994 and it was a 28 footer with one 13.5 Coleman. You could hang meat in there in the 110 degree Kansas heat. It is still blowing snow as I know the guy I sold it to. Some ac units can last a very long time. Have not had any trouble with the two on my 2013 Baystar, yet!
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Old 10-01-2012, 07:49 PM   #6
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I believe that they are 13.5 Brisk. The front one works fine, but the back one has been struggling. We are getting ready for a trip in a few days and trying to get scheduled service since there is a service/dealer close to the campground.

I do appreciate you confirming that there is a problem. This is our first RV.
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Old 10-01-2012, 07:53 PM   #7
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Quote:
Originally Posted by MJFZ View Post
When you took it in for repair, what did they find wrong? When you say it is not working, is it running but not cooling or does not turn on? I assume you have double checked your thermostat ?

Mike
I took the RV in for annual maintenance and told the dealer that it was extremely loud. They took the back housing off and said that the coil was not sitting properly and rubbing against the housing. They called Newmar and said that the fix was covered under warrantly. We went on one trip about 30 days after, and didn't notice any issues, but then it was not really hot, so the ac's were not so noticable.
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Old 10-01-2012, 07:56 PM   #8
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What is happening now is that the fan is running, but the air is just not cool. The compressor is not running. We checked fuses, breakers, but the front air conditioner shares the same thermostat as the back one (it has a zone button on the thermostate) and the front air conditioner works great.
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Old 10-02-2012, 06:16 AM   #9
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Could be a defective mother board.
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Old 10-02-2012, 06:26 AM   #10
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Time to cehck the control board in the A/C and also the function of the t'stat.

Ken
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Old 10-02-2012, 12:16 PM   #11
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Hi. I'm the owner's other half First thanks to all of you guys for the replies. Good feedback. Thought I'd provide a little more informatin:

As of yesterday, we confirmed both motherboards are good and does not appear to be an issue with the caps. Spoke with Tom Johnson earlier, and they indicated if it has anything to do with freon (i.e. leak), they would have to replace the entire unit. Using the zone controller on the thermostat, it will cut off it you raise it to over the temperature in the back.
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Old 10-02-2012, 08:51 PM   #12
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Nab24 welcome to the forum & irv2.
Do you feel any cool air coming from vent and do you have vents in the ceiling of the coach, they would be two, one outlet and one return next to each other down your whole ceiling line.
The reason I ask the AC's on a Newmar has to have proper seals so cold air is not lost above in the ceiling.
Picture of seals.
Was the AC ever removed from its mounting by someone?
More info on your AC's, this info can be found in QT's 1&2.
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Old 11-02-2012, 05:43 PM   #13
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Update: It was a faulty install that burned a hole through a coil. Newmar covered 100%! Thanks!
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Old 11-02-2012, 07:27 PM   #14
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A welcome to you also jibooth8 and thanks for your follow-up to your problem.
Safe travels.
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