Question about Dometic RM2652 Refrigerator

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Morning, I have a RM 2852 Dometic camper refrigerator that suddenly stopped working. We checked fuses, changed the heater but on 12V, plugged in, or LP it will not cool. The canister around the heater gets very hot, you can hear like it wants to work, but not cooling. The check light does NOT come on indicating a problem, but check light does work. Any thoughts

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6 Suggested Answers

6ya6ya
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Posted on Jan 02, 2017

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SOURCE: Dometic rm 2652 fridge works on a/c. i get a check

you may need to change the thermocople this cost about 12 dollars this is what make electricity to epen the gas valve thanks from gilles

Posted on Mar 15, 2009

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  • 10865 Answers

SOURCE: I have a Dometic RM 2652, the freezer works fine.

Here is the trouble shooting manual for your Dometic.

http://www.gasrefrigeration.net/dom_techdata/26121_2852SM.PDF

It will tell you what the possible problem is.

Posted on Jun 04, 2009

  • 1 Answer

SOURCE: Camper fridge dont cool

I also had the same Model Make. I removed my fridge and placed it upside down, occasionally shaking fridge within a 24 hr period. This seemed to re-mix the ammonia solution and the fridge is working.
This may work for you but look for yellow stains if you see any your fridge is leaking and would require repair.

Posted on Jul 24, 2009

  • 9 Answers

SOURCE: dometic RM 2800

It sounds like your cooling unit is going out. Here's a couple of things to check. Do you smell any ammonia when you open either one of the doors? When you look at the rear of the fridge, do you see anything that looks like rusty water that has run down any of the metal tubes and dried up? If the answer to either one of these is "yes", then youll need to start looking for a new fridge or replace the cooling unit on the one that you have.

Posted on Jul 26, 2009

VtToolMan
  • 704 Answers

SOURCE: Our Dometic RM2193 cools on gas but does not work on electric

It could be as simple as a blown fuse at the fridge. Also check to make sure you have turned on the electric switch that allows the fridge to run on AC. Note, you can only operate the fridge on EITHER gas OR electric, but not both sources at the same time, thus, you have to turn off the gas switch before you can run on electric.

When this unit is running on electricity, it has to have the thermostat set for it to run.

Here's a link to the Dometic manual for your model.

http://www.alcovr.com/DATA/MANUEL/DometicRefrigeratorModelsRM2191&RM2193.pdf

Just follow the steps for running on electric and you should be OK.
Hope this helps.

Posted on Jul 30, 2009

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Our refrigerator works on AC. When switched to lp gas it sometimes come on and works and then goes off. Then we can't get it to work again. Then it will work if we turn on the hot water hea


It seems like a gas pressure problem. Possible blockage or kinked pipe or faulty regulator on the gas bottle. If the fridge runs ok only when you use the gas hot water, that would change the gas flow / pressure. LP gas products are normally around 1.5 to 2.75 kpa pressure. If you have access to a manometer, the gas pressure can be checked. (NB/ You should hold a gas service licence to do this)

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1 Answer

I have a Dometic RM 2620 fridge, that won't cool. A squirrel got into wiring, I have taken care of wiring but will not work on gas or AC. Spark igniter will no spark either. Any ideas?


Since I don't know what does work I am kind of shooting in the dark.
Does the ac heater get hot ?
The spark ignitor is part of the control board. But won't work?
I assume that you have a user manual but I am including a link to download one.
https://www.dometic.com/f6e8a773-69f5-4624-9b35-54e8801da7af.fodoc

Note that there are three fuses. B (12V control) and C (120V Heater) on the control board and a thermofuse L located on the stack.
If L is good and everything else is good there should be 12VDC on J1 and at Fuse B

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Replaced control board have 115 to board can't get 12v nothing lights on frig or in side where does 12v come from voltage is good in camper Couchman with Dometic md RM2652


The 12V comes from 2 wires that come from RV and affixed to a terminal block on fridge. Insure you have 12V at those wires. Also check the fuses located inside the main electronic board. ArctiCold Refrigeration We keep it cold 28659511-ac6f-4f0b-b8c3-c7ac7cf165ac.jpg 8e5a2b6c-5f1f-429e-8512-595071232c90.jpg

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1 Answer

I have a Domatic RM 2852 in my RV. The freezer works fine but the refrigerator won't cool to 40 on electricity. It cools fine on gas.


You need to unplug the heating element from the circuit board and using a digital multi meter check the ohms. You should read approximately 44 ohms +/- 10%. If it is out of range change the heating element.

Aug 15, 2013 | Dometic RM2852 Refrigerator

2 Answers

2 year old RM 2620 fridge, stopped working. I have power to the plug where it plugs in, but there's no lights or cooling now. Fuses are fine.


On the back side of the unit there will be a small thermostat switch mounted on the heat column. It will be round with two wires attached to it. In the center is a reset button. If this button does not restore power then the next step is to replace the wire coming from 12v supply to the thremostat switch. The wire will be red and will have a black sleeve on it. Under the sleeve is a safety diode (to prevent overheating and fire), it will be held in place with three bendable metal fingers. If the diode is bad it will not allow 12v power to pass through to the circuit board. Even though the refrigerator is running on 110v power the circuit board still requires 12v power to operate. The diode is a part of a FREE recall kit offered by Dometic so your local RV repair center should be able to help you out.

Oct 17, 2011 | Dometic RM2620 Refrigerator

1 Answer

I got a RM 2852 IN A 5TH WHEEL. It will work fine on gas,but 110v does not work,Any suggestions? Thanks,David


We were told that its a faulty control board on most Rm2852 units. a factory defect.
Ours did the same thing first the gas would not stay on to cool but the unti worked fine on electric...now the electric is not working...the heater gets hot and burner comes on but does not stay on..they system shuts down..and will not cool. .

Jan 29, 2011 | Dometic RM2852 Refrigerator

1 Answer

2005 dometric rm 2852 wont cool


I suggest the main control board is faulty because of the spike. The voltage would have damaged some of the control circuit - even though the fuses did not blow. Sounds like a memory fault on a control chip.

Aug 05, 2009 | Dometic RM2852 Refrigerator

1 Answer

2002 RM 2852, the refrigerator (lower section) will not work its warm inside, but the freezer (upper section) works fine, it will freeze water bottle to hard ice. All fuses are good. Please help!!


cooling unit is bad my friend there is a temporary fix but in my opinion not worth your time take the unit out and flip the refer upside down this sometimes dislodges the blockage in the cooling unit all a rv fridge is is amonia and salt if not used all the time the salt crystalizes in the orfice and blocks the unit a rebult cooling unit 550 about and labor 4 hours at your dealers rate a new fridge about 1500 installed
my shop 360 for labor 550 about for unit 910
I ALLWAYS RECOMEND REPLACING THE FRIDE COMPLETLTY
you get all new electronics and a new box

May 28, 2009 | Dometic RM2852 Refrigerator

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