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How do I adjust the temperature on my RV frig It is a RM2551 Mode

I have a wired unit that is clipped to the metal fins on the frig and a decal with a blue arrow next to the clip. I have looked thru my manuel an it has nothing about temperature adjustment. Please I need help!!

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Higher to cool lower to warm

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SOURCE: my norcold frig(RV) freezes food in lower level

in your refridgerator there is an internal thermostat on the cooling fan u can move up or down it should be placed on the last finn to the right looking at the fridge
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SOURCE: my rv fridge will build up ice and freeze food too cold

The thermister for the temp control is a likely culprit. Eric

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1 Answer

Can you adjust the temp on a 2812 model

You can adjust the temperature of your refrigerator by adjusting the thermistor wire located in the refrigerator and it is clipped onto the aluminum fins (white wire). It is normally clipped onto the far right hand side of the fins, if you move it to the left it will get colder. If it does not satisfy then unclip the wire completly from fins. 89cec9f1-cedb-4d54-8589-98d1b0d7802b.jpg ArctiCold Refrigeration We keep it cold

Jul 30, 2014 | Dometic Refrigerators

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My new ac does not have a place to plug in the freeze control.

It won't be obvious, you have to install as per instructions. If it's a round metal type, it goes way down in left lower corner. Feel for tube/return coils, at end of fins and clip it to them. If it came with a straight thin probe, reach up about 2"-3" above bottom of fins and gently push in and wiggle until it is inserted in between fins all the way until almost flush at wire end to hold it there.

Aug 27, 2011 | Dometic Rooftop RV Air Conditioner

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My airconditioner runs all the time until it freezes up the compressor will not shut off and let the unit run on fan only. when cleaning the unit i desturbed a oval shaped piece of metal connected to a...

If you look in front section when ceiling cover is off, there should be a probe about 2"-3" long stuck in the fins a couple of inches up from bottom, or a round disc like piece with a clip to attach to tubes in the fins. That is what senses frost on fins and shuts compressor off. Should have 2 small wires attached. Look closely up there with a flashlight near lower part of fins and you'll see where it was pushed in for attaching.

Jul 10, 2011 | Coleman Heating & Cooling

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I have a dometic rm 2652 rv frig.. it is 4 years old and is not cooling. you can feel heat in the tube on both propane and electric but no cooling. can you be of any help on what I can do to fix this...

Inside your fridge there are fins, on the far right there is a plastic piece that slides up and down, this will adjust your temp. OR it can be your thermister. At the back of your fridge access from out side your camper there is a black box with lots of wires going to it , pop cover unplug wire P2 (your thermister) Then you will need an Ohm meter buy at any auto parts store, at the back of the plug test buy putting the red in one prong and black in the other you should get a reading of 6 Ohms now the plastic piece in the fridge pop it off the fin and remove the little wire with little tip and place it in a cup of ice and little water wait for 5-10 mins. and you should get a reading of 15 Ohms. And one other thing it might be a bad ground. Good luck.

Sep 18, 2010 | Dometic RM2652 Refrigerator

1 Answer

My unit works great on AC (cools to 30degree), but

Your fridge has two manual settings to adjust it's internal temperature. Obviously, it most likely has a standard control (1-5 or 1-9 depending on the fridge) that you can adjust on the control panel. Some fridges are preset (no control panel adjustment) and must be adjusted on the inside of the unit. If open your fridge, look at your cooling fins. You will notice a metal slider on a wire attached to one of the fins. Moving this sensor up or down along this fin will set the internal temperature of the fridge. You will have to play with it a bit to get it set properly (with a thermometer), but you should be able to get it to the proper temperature. I hope this solves your problem. Thanks... John Charles

Jun 12, 2010 | Dometic RM2652 Refrigerator

1 Answer

The temp guage (slide) fell off my DM 2652 and we are not sure which way it goes back on. The unit started to freeze and we could not control the temp.

I am assuming that it is the clip that holds the thermistor on the fins? Simply place the clip back on the fin if it is not damaged. Make sure the thermistor is pointing up. If you continue to freeze, you can adjust temperature settings by sliding the clip/thermistor up and down. Up for colder, down for warmer. Hope this helps.

Jun 08, 2010 | Dometic RM2652 Refrigerator

1 Answer

Clicking noise from unit and frezzer temperature to warm, like the defrost mode is always on

Hi the problem is the relay/overload. Pull the unit out from the wall and remove the panel at the back. Then on the side of the compressor you will see the relay normally behind a cover held in place by a metal clip. Pull the clip and cover off then pull the wire harness out. You can now pull the relay off the compressor and replace it. Mike

Mar 26, 2010 | Kenmore 53462 / 53464 / 53469 Side by Side...

1 Answer


u need to open the thermister up its located on the back on the fin also check to make sure u are getting full 12 volts to the fridge check the voltage at the fuse

Oct 16, 2009 | Thetford Norcold RV Cooler/Freezer

1 Answer

My norcold frig(RV) freezes food in lower level

in your refridgerator there is an internal thermostat on the cooling fan u can move up or down it should be placed on the last finn to the right looking at the fridge
cruz's mobile rv repair

Dec 16, 2008 | Thetford Norcold RV Cooler/Freezer

1 Answer

Bottom,(refrigerator) isn't cooling at all. the freezer is 20 below zero. what's wrong?

The thermister is located in the fridge. Verify it is clipped to the metal fin Think of this as a knob control move it up and down to control the fridge temp. If this does not help most likely you need a new thermister.

Jul 08, 2008 | Dometic RM2652 Refrigerator

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