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03-30-2019, 01:35 AM
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#1
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Senior Member
Join Date: May 2013
Posts: 532
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Cannot get roof a/c’s to come on
First time I’ve tried using the a/c units since last summer, generator is running but neither a/c unit will come on. It’s something I’m missing, I’ve been up almost 20 hours and my mind is a mess. Any thoughts?? Flipped the breakers off and back on, verified the breaker on generator is on.
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03-30-2019, 01:36 AM
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#2
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Senior Member
Join Date: May 2013
Posts: 532
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03-30-2019, 02:07 AM
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#3
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Senior Member
Join Date: May 2013
Posts: 532
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Well I got them working, I cycled the coach battery disconnect switch in the entry way, the precision Plex screen reset and now they come on! Goodnight [emoji42]
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03-30-2019, 09:25 PM
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#4
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Dragonship Captain
Join Date: Oct 2016
Location: Eastern PA, USA
Posts: 1,335
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Good night!
__________________
2020 RAM 3500 DRW Long Horn. In the hunt for a Palomino TC, formerly a 2017 Berkshire 38A: https://dragonship.blog/
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03-30-2019, 10:27 PM
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#5
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Senior Member
Join Date: Jun 2011
Location: On Another Adventure
Posts: 2,563
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Check breaker on gen and make sure AC power is actually getting into coach....
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03-30-2019, 10:28 PM
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#6
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Senior Member
Join Date: Jun 2011
Location: On Another Adventure
Posts: 2,563
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Oops.... didn’t see last pist
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03-30-2019, 10:29 PM
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#7
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Senior Member
Join Date: Jun 2011
Location: On Another Adventure
Posts: 2,563
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Post.... lol...
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03-30-2019, 10:48 PM
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#8
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Junior Member
Join Date: Jul 2018
Posts: 9
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Got a question,,,we got our 2019 23mk in july and used it for the summer for weekend trips,,we had an issue that had me bring it back to the dealer a couple times,,,we would set the AC to 70 degrees and go in and take a nap,,camper was cool,,,we would wake up and it would be very warm in the camper ,,almost 80,,AC wouldnt turn on unless you would turn it off and baclk on again,,,the dealer checked it and said it was working fine...next trip,,same thing,,,any thoughts???
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03-31-2019, 01:36 PM
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#9
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Senior Member
Join Date: Jun 2015
Location: Pensacola, FL
Posts: 1,645
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Digital thermostats have a microprocessor. So, like everything computer, they often need a reset/reboot from time to time. Also, sometimes after disconnecting the house batteries the thermostats need to be initialized. Your thermostat manual should tell you how to do it.
__________________
2019 Coachmen Freedom Express 192RBS
2015 T12RBST Flagstaff Hardside
Disclaimer: The actual value of my "Two Cents" of advice varies just like a bitcoin.
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03-31-2019, 07:57 PM
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#10
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Member
Join Date: Jun 2017
Posts: 62
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Quote:
Originally Posted by archer314
Got a question,,,we got our 2019 23mk in july and used it for the summer for weekend trips,,we had an issue that had me bring it back to the dealer a couple times,,,we would set the AC to 70 degrees and go in and take a nap,,camper was cool,,,we would wake up and it would be very warm in the camper ,,almost 80,,AC wouldnt turn on unless you would turn it off and baclk on again,,,the dealer checked it and said it was working fine...next trip,,same thing,,,any thoughts???
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I had the same problem kept taking it to the dealer and it work just fine but there was the one time the mechanic was going to show me that it was working and it failed to work so he got his meter and found no current after a circuit board in air conditioner he called the factory and they had some bad circuit boards. Both my air conditioner where doing this just Random was no pattern. I haven’t had a problem since these circuit boards were changed out. My rig is a Sportcoach 2017 1/2 took almost a year before I got it fixed. When it was not working correctly we would play with it and get the units to work then we set thermostat to 65 and let run so they wouldn’t cycle on and off.
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04-01-2019, 08:36 AM
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#11
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Senior Member
Join Date: May 2013
Posts: 532
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My set-up at Texas Motor Speedway
Boondockin..... no hook ups! Good times!
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04-01-2019, 08:38 AM
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#12
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Senior Member
Join Date: May 2013
Posts: 532
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2 weekends ago on the Illinois River trout fishing!
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04-01-2019, 08:41 AM
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#13
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Senior Member
Join Date: Nov 2017
Location: Dayton Ohio
Posts: 3,567
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We have one of those multi zone multiple programmable Dometic thermostats.
We hate the complicated thing. It is difficult to work with. Hate it.
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