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Old 04-20-2016, 11:29 AM   #1
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Ac issues

2015 Avenger with Coleman Mach 13.5k
I can't get the ac to blow any cold air. I have done the following troubleshooting:
I put the fan only on and then clicked it to ac but never heard the compressor kick in and the air still blows at the same temp as the fan. I checked the rooftop unit for any obstructions and found none. This is a 2015 unit. I checked at the thermostat to ensure the compressor yellow wire was getting 12 volts when the ac was clicked on and also that it was not getting voltage when off. Everything is in working order but still no cold air. Any ideas?
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Old 04-20-2016, 12:21 PM   #2
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What do you have the thermostat set to on AC? What is the interior temp?
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Old 04-20-2016, 12:32 PM   #3
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The air temp needs to be above 65-70F for the AC compressor to run.
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Old 04-20-2016, 12:57 PM   #4
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Air temp was 79... Interior temp 78 and stat was set at various marks to try and get it to kick on. Set it to the lowest as well
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Old 04-20-2016, 02:39 PM   #5
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Have you tried unplugging from shore power for a few mins to do a reset all circuits.
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Old 04-20-2016, 02:43 PM   #6
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I have tried that as well
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Old 04-20-2016, 02:46 PM   #7
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Quote:
Originally Posted by boondocking View Post
The air temp needs to be above 65-70F for the AC compressor to run.
where did you get this info from ? not the case for any ac i've run though it's not good to turn on ac below 50 . never heard this 65 70 ever nor have i ever not had a ac compressor not come on when below 60
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Old 04-20-2016, 02:48 PM   #8
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Originally Posted by rhino_160 View Post
I have tried that as well
do you have voltage to the compressor ? have you checked it up top pulled the cover and felt the compressor ?
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Old 04-20-2016, 02:59 PM   #9
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The trailer I own now and the previous trailer I owned were like that. The compressor would not come on if the ambient temp was below 65 degrees.
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Old 04-20-2016, 03:11 PM   #10
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Quote:
Originally Posted by boondocking View Post
The trailer I own now and the previous trailer I owned were like that. The compressor would not come on if the ambient temp was below 65 degrees.
What brand A/C unit?
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Old 04-20-2016, 03:15 PM   #11
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Brisk Air by Dometic
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Old 04-20-2016, 03:20 PM   #12
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Ac issues

I have a brisk air dometic that I installed a month or better ago and I got the compressor to come on at 50 degrees for testing


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Old 04-20-2016, 03:29 PM   #13
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When I first purchased this trailer in early spring a few years back and checked the AC (temp mid 50F) the compressor would not come on, I thought is was defective. Checked again a few weeks later (temp mid 70F) and it worked. Did the same again the following spring with same results.
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Old 04-20-2016, 04:50 PM   #14
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Quote:
Originally Posted by boondocking View Post
The trailer I own now and the previous trailer I owned were like that. The compressor would not come on if the ambient temp was below 65 degrees.
Since the trailers make has nothing to do with it still at a loss . i've never had issues with Coleman or dometic not coming on at temps below 60 .
when testing the units can't always wait for the temps to warm and again have never had issue with them not coming on in fact there is no program built into them nor the t-stat that prevents it . it's recommended not to use them at temps below 50 because of freeze ups
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Old 04-20-2016, 04:52 PM   #15
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Quote:
Originally Posted by boondocking View Post
When I first purchased this trailer in early spring a few years back and checked the AC (temp mid 50F) the compressor would not come on, I thought is was defective. Checked again a few weeks later (temp mid 70F) and it worked. Did the same again the following spring with same results.
didn't have the t-stat set low enough then .
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Old 04-20-2016, 07:08 PM   #16
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Had it set to the lowest setting possible with fan on low and did not hear the compressor start up, so I thought there was a low ambient temp control. So now I have no idea why the compressor did not start.
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Old 05-07-2016, 09:16 PM   #17
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OP posted a new thread to give details of his successful A/C repair.
See http://www.forestriverforums.com/for...ed-107670.html
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Old 05-08-2016, 09:40 AM   #18
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Yes! Here is what I posted so others may get the same luck:

Wanted to share some good news for once that might come in handy to others, like myself, who may not know this.
I posted a few weeks ago about my 2015 Primetime Avenger A/C not blowing cold air. After troubleshooting the obvious, I figured it was low/empty of freon but my unit, Coleman Mach, is a closed unit like most I assume. I am also the second owner of the camper so the camper warranty would not rollover to me. HOWEVER! I started looking though my paperwork and got online to find that Coleman gives a two year warranty on their a/c that transfers with the camper owners. I contacted Coleman and they told me to take it to the closest dealer. I did this and now have a brand new Coleman unit on top at the only expense of fuel to drive it to the dealer and back. So be sure to check your individual appliance's paperwork if they go out and see if you are covered, assuming your not the first owner. Just wanted to share for all those not in the know. Saved me $800+ dollars
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