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04-12-2016, 09:43 AM
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#1
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Senior Member
Join Date: Sep 2012
Location: South, La. AKA Cajun Country
Posts: 266
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AC issues
I believe I am having issues with(hopefully) the thermostat or the AC control board I have a 13,500 BTU Ducted AC. I set cool temp to 68. System will cool to 68, and shut off. Problem I am having is system will cycle back on when temp is well above 68. I have to turn unit off,then drop temp, turn on fan then back to cool for AC compressor to turn on again. Do you guys think it is the thermostat or the control board?
__________________
2011 Puma Unleashed 365 QLB
2006 GMC HD Sierra SLT quad cab 4x4 6.6L LBZ Allison tranny
2008 Arctic Cat Prowler 650 H1
2006 Polaris H.O. 500EFI Sportsman
1996 Harley Davidson Heritage Softail
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04-12-2016, 09:56 AM
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#2
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Senior Member
Join Date: Jan 2016
Location: x
Posts: 12,423
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Most stats have a 3* swing controlled by the anticipator Your unit if left in the cool mode should start without you having to do any thing. I think I would replace the stat and see what happens, less expensive then replacing a control board. If you are a DIY sort of camper.
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Retired Navy
Jake my sidekick (yellow Lab) 10/04 - 05/20
2017 RAM 2500 CC 4X4 Cummins Diesel
2016 Flagstaff 26 FKWS
AF&AM & El Korah Shrine of Idaho
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04-12-2016, 09:58 AM
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#3
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Senior Member
Join Date: Sep 2012
Location: South, La. AKA Cajun Country
Posts: 266
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It was set on 67* last night, we woke up this morning it was 73*.
__________________
2011 Puma Unleashed 365 QLB
2006 GMC HD Sierra SLT quad cab 4x4 6.6L LBZ Allison tranny
2008 Arctic Cat Prowler 650 H1
2006 Polaris H.O. 500EFI Sportsman
1996 Harley Davidson Heritage Softail
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04-12-2016, 10:08 AM
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#4
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Senior Member
Join Date: Jan 2016
Location: Phoenix, Arizona
Posts: 306
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possibly the time delay on the board is acting up. Only way to tell for sure is to check voltages when it is not coming on. Either the thermostat is open or the output of the board is open when the stat is closed.
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2016 Forester 2401WS MBS
Life is short...eat the cookie
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04-12-2016, 10:10 AM
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#5
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Senior Member
Join Date: Jun 2013
Location: Between Pickles Gap and Toad Suck, AR
Posts: 6,070
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I would not trust the thermometer in the unit 100%. Get a 'set on the table' type thermometer and see what the temp really is. I'd get two, and set at each end of camper......... then you can know what it's cooling and not cooling.
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"Next to prayer, fishing is the most personal relationship of man" Herbert Hoover
"American by Birth, Southern by the Grace of God"Lewis Grizzard
FROG AR-0019-242
2016 GMC Denali 3500Dually--2017 CC 36CKTS
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04-13-2016, 07:57 PM
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#6
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Senior Member
Join Date: Dec 2010
Location: East Berlin
Posts: 734
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AC issues
Do you have a mechanical thermostat or a digital type. It most likely is a thermostat issue, but the way you have explained your procedure for getting it to start properly, it could be a start capacitor on the compressor.
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04-13-2016, 08:06 PM
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#7
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2012 Solera
Join Date: May 2012
Posts: 1,824
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Possible to adjust the Dometic digital thermostat to a narrower temp swing. Check your manual or google for instructions. Believe you can switch from 3 degree to 1 degree.
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JLeising
2012 Solera "S"
Calif SF Bay Area
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04-14-2016, 10:59 AM
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#9
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Senior Member
Join Date: Sep 2012
Location: South, La. AKA Cajun Country
Posts: 266
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I emailed Dometic and they actually responded pretty quick. They stated it sounds like the control board. Yay, another trip to the shop.
__________________
2011 Puma Unleashed 365 QLB
2006 GMC HD Sierra SLT quad cab 4x4 6.6L LBZ Allison tranny
2008 Arctic Cat Prowler 650 H1
2006 Polaris H.O. 500EFI Sportsman
1996 Harley Davidson Heritage Softail
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04-14-2016, 11:07 AM
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#10
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Phat Phrog Stunt Team
Join Date: Aug 2011
Location: Iowa
Posts: 34,507
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Is this under warranty?
2008 2500hd Duramax
2015 Columbus 320RS
2016 nights camped "0"
2015 nights camped "34"
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04-14-2016, 11:22 AM
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#11
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Senior Member
Join Date: Sep 2012
Location: South, La. AKA Cajun Country
Posts: 266
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[QUOTE=TURBS;1164392]Is this under warranty?
Yes, I have extended warranty until 8/17. I would change it myself, but don't want to void the warranty.
__________________
2011 Puma Unleashed 365 QLB
2006 GMC HD Sierra SLT quad cab 4x4 6.6L LBZ Allison tranny
2008 Arctic Cat Prowler 650 H1
2006 Polaris H.O. 500EFI Sportsman
1996 Harley Davidson Heritage Softail
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04-14-2016, 11:44 AM
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#12
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Phat Phrog Stunt Team
Join Date: Aug 2011
Location: Iowa
Posts: 34,507
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Sure I understand.
Other then the 110v line it's plug and play, very simple.
2008 2500hd Duramax
2015 Columbus 320RS
2016 nights camped "0"
2015 nights camped "34"
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04-14-2016, 11:50 AM
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#13
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Senior Member
Join Date: Sep 2012
Location: South, La. AKA Cajun Country
Posts: 266
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Yea, I usually like to work on my own equipment, but if it has warranty, off to the shop it goes. I cheated and changed the switch on my water heater, by the way which started working out of the blue, then stopped working again. Darn gremlins!
__________________
2011 Puma Unleashed 365 QLB
2006 GMC HD Sierra SLT quad cab 4x4 6.6L LBZ Allison tranny
2008 Arctic Cat Prowler 650 H1
2006 Polaris H.O. 500EFI Sportsman
1996 Harley Davidson Heritage Softail
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