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12-22-2012, 03:26 PM
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#1
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Junior Member
Join Date: Dec 2012
Posts: 7
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comfort control center
Hello All,
I am new to this type of camping in a motor home as I have had a trailer for 20 plus years.
I bought a new motor home from a dealer and the thermostat went bad. A new one was shipped under warranty from the factory and I installed.
Plugged it in and had a EE code.
Did as found on site pressing Mode and Zone together and while doing that turning stat on. FF signal came up.
Released buttons and stat came on showing zone 1 and zone 2
zone 1 then disappeared leaving only zone 2 and can not get zone 1 back.
Any help would be appreciated.
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12-23-2012, 09:22 AM
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#2
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Senior Member
Join Date: Nov 2012
Location: X
Posts: 2,781
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I think it would do that if the AC unit were connected to the zone-2 terminals instead if zone 1 (assuming you have only one).
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12-23-2012, 09:47 AM
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#3
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Junior Member
Join Date: Dec 2012
Posts: 7
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We have 2 zones. front and rear. Was thinking a breaker may have tripped but can not check them
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12-23-2012, 02:11 PM
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#4
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Site Team
Join Date: Jan 2007
Location: Goodyear, Arizona
Posts: 33,788
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it always helps if you post year, make and model motorhome you have.
that way someone might have the same rig and really be able to help.
__________________
Dan-Retired California Firefighter/EMT
Shawn-Musician/Entrepreneur/Wine Expert
and Zoe the Wonder Dog(R.I.P.) 
2016 PrimeTime TracerAIR 255, pushing a 2014 Ford F150 SCREW XTR 4x4 3.5 Ecoboost w/Max Tow Package
4pt Equal-i-zer WDH and 1828lbs of payload capacity
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12-23-2012, 03:43 PM
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#5
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Junior Member
Join Date: Dec 2012
Posts: 7
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You are right. Make and model may help
Berkshire 390QS-40
Hope this will help.
I have also sent email to Dometic about the problem.
If they send a reply I will post it.
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12-23-2012, 03:58 PM
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#6
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Berkshire 390QS
Join Date: Feb 2011
Location: Colorado
Posts: 1,489
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We have a Bershire 390QS also, zone 1 is the front AC and furance, zone 2 is the rear AC only. the breakers are located under the bed and there are seperate breakers for each AC unit.
__________________
2011: 54 days, 2012: 218 days, 2013: 175 days, 2014: 196 days
2015: 188 days, 2016: 72 days, 2017: 185 days: 2018 182 days
2019: 156 days (2009 Berkshire, 390QS, and toad)
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12-23-2012, 04:40 PM
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#7
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Junior Member
Join Date: Dec 2012
Posts: 7
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Thanks
Will check that and let you know
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12-23-2012, 05:12 PM
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#8
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Berkshire 390QS
Join Date: Feb 2011
Location: Colorado
Posts: 1,489
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Are you currently hooked up to 30 or 50 amp power?
__________________
2011: 54 days, 2012: 218 days, 2013: 175 days, 2014: 196 days
2015: 188 days, 2016: 72 days, 2017: 185 days: 2018 182 days
2019: 156 days (2009 Berkshire, 390QS, and toad)
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12-23-2012, 06:11 PM
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#9
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Junior Member
Join Date: Dec 2012
Posts: 7
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Not hooked to anything at the moment.
Does it matter when doing set up on the stat. Do not intend to run the air.
I do not have anything but 15 amp available so I would have to run the gen if 50 amp is needed.
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12-23-2012, 07:58 PM
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#10
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Berkshire 390QS
Join Date: Feb 2011
Location: Colorado
Posts: 1,489
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Never done a set up on thermostat myself. Would think it would be plug and play. When you have it turned on do you see on the bottom do you see the numbers 1 and 2?
__________________
2011: 54 days, 2012: 218 days, 2013: 175 days, 2014: 196 days
2015: 188 days, 2016: 72 days, 2017: 185 days: 2018 182 days
2019: 156 days (2009 Berkshire, 390QS, and toad)
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12-23-2012, 08:24 PM
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#11
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Junior Member
Join Date: Dec 2012
Posts: 7
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1 and 2 came on at first. Then all of a sudden 1 was gone and now only 2 there. All functions work on 2 and that is for the rear air. The front zone and furnace not working as that is zone 1.
This is why I thought it would be a breaker or fuse for the front zone.
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12-23-2012, 08:46 PM
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#12
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Berkshire 390QS
Join Date: Feb 2011
Location: Colorado
Posts: 1,489
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Can you push the zone button and does a little line show up below the number 2 and push again and disappear?
__________________
2011: 54 days, 2012: 218 days, 2013: 175 days, 2014: 196 days
2015: 188 days, 2016: 72 days, 2017: 185 days: 2018 182 days
2019: 156 days (2009 Berkshire, 390QS, and toad)
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12-23-2012, 08:52 PM
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#13
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Junior Member
Join Date: Dec 2012
Posts: 7
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that is exactly what it does
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12-23-2012, 08:59 PM
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#14
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Berkshire 390QS
Join Date: Feb 2011
Location: Colorado
Posts: 1,489
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Taking a very wild guess is that the number 1 is not working, does the little line move to the left? Try to change modes when the line is not present under the number 2.
__________________
2011: 54 days, 2012: 218 days, 2013: 175 days, 2014: 196 days
2015: 188 days, 2016: 72 days, 2017: 185 days: 2018 182 days
2019: 156 days (2009 Berkshire, 390QS, and toad)
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Linear Mode
