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09-20-2016, 12:52 PM
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#1
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Junior Member
Join Date: Oct 2013
Location: California
Posts: 22
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Dometic Fridge Stops working in High Altitudes
Hi Everyone- I have a Dometic DM2852LBX in my 277RLSWE Cougar 5th wheel that keeps turning itself off at night in high altitudes (7000 ft +) in LPG mode. Dealer looked at the unit, cleaned components and could not replicate the problem since they are at about 800 ft above sea level.
I finally called Dometic and they basically told me the fridge is not guaranteed to work in anything over 5000 ft level on LPG. Use AC.
I have not read anywhere in Keystone's material that it had this limitation. I have not contacted Keystone yet, but as far as I am concerned, this a big omission on their part for West Coasters who frequent the high Sierras.
Has anyone else had this issue?
Thanks,
Ed
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09-20-2016, 01:29 PM
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#2
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Site Team
Join Date: Mar 2011
Location: Gaylord
Posts: 26,996
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The Dometic refrigerator owner's manual, on page 3 has the following statement:
"OPERATING REFRIGERATOR AT HIGH ALTITUDE
All gas appliances experience lowered efficiency (or rating) at high altitude This is a direct result of lower atmospheric pressure and oxygen levels, and is not a defect of the refrigerator.
Reduced cooling performance and burner outage may occur at altitudes higher than 5500 feet above sea level (while operating on LP gas). Always operate refrigerator on electric power at altitudes higher than 5500 feet."
You should have been provided an "owner's packet" with manuals for all of the appliances, slide mechanisms, axles, brakes, hitch coupler and any other "specialty items" that were included with your RV as OEM equipment.
If you don't have that packet, you can download most of the manuals from the internet. If you have problems finding one, post here and someone will likely have a link to that information for you.
__________________
John
2015 F250 6.7l 4x4
2014 Cougar X Lite 27RKS
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09-21-2016, 09:07 AM
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#3
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Senior Member
Join Date: Sep 2014
Location: Preble county, Ohio
Posts: 261
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I bet this is the reason most new "higher end" campers are going to residential fridge units and inverters to operate them. Seen a newer Sanibel camper and it was setup this way and had two G27 batteries up front and an inverter for the fridge, and remember your truck supplies the 12v power while your moving so the batteries shouldn't go dead.
__________________
2008 Silverado 3500HD 4x4 SRW Duramax Allison trans
2014 Cougar 327 RES "Campy"
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09-22-2016, 07:24 AM
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#4
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Senior Member
Join Date: Sep 2015
Location: Austin, TX
Posts: 834
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We took a friend's Puma to Moraine park two years ago and I don't remember any issues with the fridge on LP. The altitude stated is 8,160. We didn't have AC power, except for charging the batteries a few hours a day. Is this a hit or miss thing?
__________________
(SOLD) 2015 Keystone Passport 2810BH
2013 Ram 1500 Hemi 8-speed 3.92 Air Suspension
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09-22-2016, 08:35 AM
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#5
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Member
Join Date: May 2016
Location: San Clemente, CA.
Posts: 81
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I would suspect a low voltage condition took down the RV refrig. They need close to 12 volt power to operate on propane and we have talked about this before, most of these RV refrig appliances have door heaters that take a lot of power to keep the door gaskets warm. Some units have a switch to turn these heaters off and some don't.
Anyway, low voltage could also more easily happen with the very cold environment of higher altitude, for a weak battery anyway.
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09-22-2016, 11:33 AM
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#6
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Junior Member
Join Date: Oct 2013
Location: California
Posts: 22
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Quote:
Originally Posted by JRTJH
The Dometic refrigerator owner's manual, on page 3 has the following statement:
"OPERATING REFRIGERATOR AT HIGH ALTITUDE
All gas appliances experience lowered efficiency (or rating) at high altitude This is a direct result of lower atmospheric pressure and oxygen levels, and is not a defect of the refrigerator.
Reduced cooling performance and burner outage may occur at altitudes higher than 5500 feet above sea level (while operating on LP gas). Always operate refrigerator on electric power at altitudes higher than 5500 feet."
You should have been provided an "owner's packet" with manuals for all of the appliances, slide mechanisms, axles, brakes, hitch coupler and any other "specialty items" that were included with your RV as OEM equipment.
If you don't have that packet, you can download most of the manuals from the internet. If you have problems finding one, post here and someone will likely have a link to that information for you.
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Thanks, John. Yes I received the manuals, but somehow missed that statement. Thanks for pointing it out.
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09-22-2016, 04:36 PM
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#7
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Junior Member
Join Date: May 2015
Location: Aurora, CO
Posts: 22
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I ended up replacing my factory board with a Dinosaur board after having the same problems. Has ran great ever since. Yea it cost me a little but was worth it to me not having the problem or dragging it back and forth to the dealer only to hear "the fridge is in specs."
-bob
__________________
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2015 Passport 238ML
2014 F-150 5L V8
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