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08-06-2019, 02:44 PM
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#1
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Junior Member
Join Date: Aug 2019
Posts: 7
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dometic rm2852 problem
Last fall it quit running in london, it ignites but doesn’t get any more than that. Replaced thermocouple still nothing changes but would work on a/c. Ran it on Easter with same results, now it has quit cooling completely. the cooling unit heats up but fridge fins get hot. Can’t see any yellow residue, Any suggestions?
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08-06-2019, 04:23 PM
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#2
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Site Team
Join Date: Mar 2008
Location: Southwest Alabama
Posts: 9,850
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Have you cleaned the flue, and baffle?
You could try the take it out and turn it upside down for a day trick.
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Salem 29RKSS Pushing a GMC Sierra 2500HD!
Gotta go campin!
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08-06-2019, 05:08 PM
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#3
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Senior Member
Join Date: Jan 2016
Location: x
Posts: 12,423
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Welcome to the forum its a great place to get your questions answered. have you kept the unit level? if the burner starts and the electrical works but it doesn't cool something has either leaked out or is plugged up. Might be time to explore getting a new cooling unit. I replace the one in my class A with the amish cooling unit (heaver piping) myself explore that option. What year is your rig? Warranty?
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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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08-13-2019, 08:23 AM
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#4
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Junior Member
Join Date: Aug 2019
Posts: 7
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Yes i’ve had it level while trying to get it running. Going to try turning upside down to see if it will fix it
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08-13-2019, 08:59 AM
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#5
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Senior Member
Join Date: Jan 2016
Location: x
Posts: 12,423
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If you are going to the trouble of removing it and turning it upside down you half the hard half the work done if you want to replace the cooling unit. its not a difficult job and half the cost of a new unit (the amish cooling unit is far better then OEM in my opinion) let the forum know how thing go and good luck
__________________
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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08-17-2019, 04:22 PM
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#6
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Junior Member
Join Date: Aug 2019
Posts: 7
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well I removed it and found a huge bird nest on top, cleaned it up and it’s working on ac. gas pilot lites but won’t open valve to generate enough heat to cool. Any ideas?
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08-17-2019, 05:16 PM
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#7
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Senior Member
Join Date: Jan 2013
Location: Space Coast of Florida
Posts: 4,024
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Quote:
Originally Posted by randog
well I removed it and found a huge bird nest on top, cleaned it up and it’s working on ac. gas pilot lites but won’t open valve to generate enough heat to cool. Any ideas?
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That is all there is, a pilot light sized flame...l think?
__________________
2016 Siverback 33IK, Towed 50K+ mile
2018 Ford F-350 Lariat 6.7L V8 Diesel 4WD Crew Cab
"If you don't know where you are going, any road will get you there."
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08-17-2019, 07:23 PM
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#8
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Site Team
Join Date: Mar 2008
Location: Southwest Alabama
Posts: 9,850
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Yep, it's just a pilot sized flame. And there's no adjustability to it. It's either on or off.
__________________
Salem 29RKSS Pushing a GMC Sierra 2500HD!
Gotta go campin!
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08-17-2019, 09:15 PM
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#9
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Senior Member
Join Date: Jan 2013
Location: Space Coast of Florida
Posts: 4,024
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Is the flame staying lit? The pilot sized flame should be right under resivoir that boils the ammonia. If it is working on ac it should work on gas as they both do the same thing, boil the ammonia... check to see if the flame burns continually..
__________________
2016 Siverback 33IK, Towed 50K+ mile
2018 Ford F-350 Lariat 6.7L V8 Diesel 4WD Crew Cab
"If you don't know where you are going, any road will get you there."
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08-18-2019, 10:58 AM
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#10
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Junior Member
Join Date: Aug 2019
Posts: 7
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the flame does stay constantly lit, is that as big as it gets?
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08-18-2019, 04:40 PM
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#11
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Senior Member
Join Date: Jan 2013
Location: Space Coast of Florida
Posts: 4,024
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Quote:
Originally Posted by randog
the flame does stay constantly lit, is that as big as it gets?
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Yes, it looks like a pilot light...
__________________
2016 Siverback 33IK, Towed 50K+ mile
2018 Ford F-350 Lariat 6.7L V8 Diesel 4WD Crew Cab
"If you don't know where you are going, any road will get you there."
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08-18-2019, 08:57 PM
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#12
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Junior Member
Join Date: Aug 2019
Posts: 7
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Ok fridge temperature has been ranging from 35 to 49 from what i can see. Is that normal range?
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08-18-2019, 10:36 PM
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#13
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Senior Member
Join Date: Jan 2013
Location: Space Coast of Florida
Posts: 4,024
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Quote:
Originally Posted by randog
Ok fridge temperature has been ranging from 35 to 49 from what i can see. Is that normal range?
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49 seems a little high. Have you adjusted the thermistor slide on the fins? Is it different on electric versus gas?
You might want to buy one of these to monitor the temp. It will record the high and low temps.
https://www.amazon.com/gp/product/B0...?ie=UTF8&psc=1
__________________
2016 Siverback 33IK, Towed 50K+ mile
2018 Ford F-350 Lariat 6.7L V8 Diesel 4WD Crew Cab
"If you don't know where you are going, any road will get you there."
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08-19-2019, 06:13 AM
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#14
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Junior Member
Join Date: Aug 2019
Posts: 7
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I typed incorrect high it was 40 as the highest I saw not 49.
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08-19-2019, 08:02 AM
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#15
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Senior Member
Join Date: Jan 2013
Location: Space Coast of Florida
Posts: 4,024
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Quote:
Originally Posted by randog
I typed incorrect high it was 40 as the highest I saw not 49.
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That sounds about perfect..
__________________
2016 Siverback 33IK, Towed 50K+ mile
2018 Ford F-350 Lariat 6.7L V8 Diesel 4WD Crew Cab
"If you don't know where you are going, any road will get you there."
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08-19-2019, 09:09 AM
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#16
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Junior Member
Join Date: Aug 2019
Posts: 7
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Thanks for all the help
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