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07-03-2020, 03:12 AM
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#1
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Member
Join Date: Jul 2019
Location: Wareham
Posts: 40
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AC stops running
I have a 2019 Cougar 33MLS with in-control and a domestic AC. When I start the AC it works great cools down the unit fully. Once it gets cool the AC and fan goes off and doesn’t start back up. After it stops I can start the fan manually to keep air moving and after it gets warmer restart the AC again. I really don’t like being the AC controller! This should work on its own!
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07-03-2020, 03:47 AM
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#2
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Senior Member
Join Date: May 2018
Location: Markham, Ontario
Posts: 1,942
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Does the in command system allow users to control the deadband? That is your on off /heating cooling control. You might want to narrow that band if so.
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Dan & Serena
2019 GMC SIERRA 2500 HD SLE
2015 Cougar X-Lite 29 RET
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07-03-2020, 03:50 AM
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#3
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Senior Member
Join Date: Sep 2019
Location: Florissant
Posts: 702
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Thermostat
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Skids
2019 Bullet 248RKS
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07-03-2020, 05:53 AM
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#4
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Junior Member
Join Date: Jun 2020
Location: Rudy
Posts: 11
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My 3160rl was doing the same thing and I called Dometic and they said the thermostat was bad and sent me a new one. Works great now.
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07-03-2020, 06:03 AM
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#5
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Senior Member
Join Date: Feb 2013
Location: Lacey, WA
Posts: 503
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Hum,.... another thing to consider.... is the Evap Coil freezing up?
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Lee & Christie
1970 F250 Highboy 4x4
2013 Cougar 21RBSWE
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07-03-2020, 06:18 AM
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#6
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Site Team
Join Date: Oct 2011
Location: Joppa, MD
Posts: 11,752
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Quote:
Originally Posted by Northofu1
Does the in command system allow users to control the deadband? That is your on of /heating cooling control. You might want to narrow that band if so.
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The "dead band" is called a temperature differential.
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Marshall
2012 Laredo 303 TG
2010 F250 LT Super Cab, long bed, 4X4, 6.4 Turbo Diesel
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07-03-2020, 06:29 AM
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#7
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Site Team
Join Date: Mar 2011
Location: Gaylord
Posts: 26,996
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Dometic has had some significant issues with their thermostat/air conditioner interface. The Thermostat simply doesn't always perform as expected. Contact Dometic and discuss the problems, chances are that they'll send you a replacement thermostat and that will solve your problems...
If you take the trailer to a dealership service department, expect it to not be covered by warranty and after sitting several weeks, they won't be able to duplicate the problem, call you to come get the trailer, charge you a $100-200 diagnostic fee, and you'll be where you are right now.... Upon return to the dealership, hopefully a different tech will find the thermostat issue, replace it and only charge you around $300 for diagnostic fees and the replacement thermostat, but probably not the same color as the old one.
Just call Dometic and "do it yourself"
A hint: When you pull the thermostat off the wall, take a photo of the wires so you'll KNOW which wire goes to which connector. All you'll need is a #2 Roberts screwdriver and either a #1 Phillips or a small common (flat blade) screwdriver.
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John
2015 F250 6.7l 4x4
2014 Cougar X Lite 27RKS
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07-05-2020, 07:14 AM
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#8
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Senior Member
Join Date: Oct 2018
Location: Sacramento
Posts: 1,005
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The OP mentioned iN-Command, so likely doesn't have a separate thermostat.
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2022 Cedar Creek Champagne 38EL - "Big Bertha"
2019 GMC Sierra 3500 Denali HD 6.6L Duramax TD, CC, 4WD, DRW - "Mr. Beefy"
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07-06-2020, 02:42 AM
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#9
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Member
Join Date: Jul 2019
Location: Wareham
Posts: 40
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Yes it is the In-Command system, did find my software is about 3 years old, got home have a computer and will try the USB update to see if this gets fixed. If I control manually it works so will try update. Is not freezing up and gets worst when close to set temperature vs. big differential.
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07-06-2020, 04:18 AM
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#10
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Junior Member
Join Date: May 2020
Location: Madison
Posts: 7
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I was having similar issues and I did a full software update on my Incommand and it seems to have fixed it.....John
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John S.
Madison, MS
2020 Keystone 26RKS
2014 Ford F-150 Lariate 3.5 eco
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08-10-2020, 03:11 AM
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#11
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Member
Join Date: Jul 2019
Location: Wareham
Posts: 40
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After updating the In-Command to the latest software the AC works as expected and runs right!
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08-10-2020, 04:04 PM
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#12
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Senior Member
Join Date: Sep 2019
Location: Florissant
Posts: 702
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Nice! You have to love a plan when it comes together.
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Skids
2019 Bullet 248RKS
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09-23-2020, 11:32 AM
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#13
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Junior Member
Join Date: Sep 2020
Location: Ann Arbor
Posts: 13
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To update the software, did you first download it onto a thumb drive and plug that into the USB port on the In Commend panel?
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09-23-2020, 12:09 PM
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#14
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Member
Join Date: Jul 2019
Location: Wareham
Posts: 40
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Yes I downloaded onto a thumb drive then brought to USB port on the IN Command panel. Fixed all!
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09-23-2020, 09:25 PM
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#15
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Junior Member
Join Date: Apr 2020
Location: California City
Posts: 28
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Mine did this also. I had already upgraded to the latest software. The next time I took the trailer out, it seemed to have healed itself and worked fine. I wasn't too happy with Dometic. I was on hold for over two hours, only to have them hang up on me when the tech went to ask someone else. InCommand at least answered the phone and talked to me, but they really weren't much help either.
I guess I'll just have to keep an eye on it.
__________________
2020 Cougar 22RBS
Steadyfast stabilizing system
Theatre seats
Changed to a queen size bed
Lots of other little mods
Tow vehicle: 2019 Ram 1500 with the 5.7 v8
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