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I have a Dometic Model RM 3862 in my RV that is not cooling either on ac or propane. The coils are not heating on the back. All incoming voltages check out and all fuses I could find are not blown.

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Posted on Jan 02, 2017

  • 62 Answers

SOURCE: Dometic Rv fridge will get cold on a/c power but

does the flame ever got out if not ,the tsat is not the problem. It could be that the flame is not hot enough or the flue has a restriction

Posted on Jul 25, 2009

  • 98 Answers

SOURCE: Unit cools fine on 120V, selecting GAS CHECK light on.

Do you hear a clicking sound If not. there is a black box inside the out side door. Check the fuses in it.

Ken

Posted on Sep 25, 2009

Testimonial: "Worked!!!"

  • 2 Answers

SOURCE: RM 2652 will not get cold

Check the 5 amp buss fuse behind the frig.

Posted on Apr 10, 2010

blueextc3221
  • 15935 Answers

SOURCE: I bought an RV with

There is a damper inbetween the freezer and fridge that is either frozen shut - or the solenoid that opens and closes it has failed.

Without too much trouble - you can simply unplug and thaw the freezer for 24 hours. This should be enough to free it up if it's the door that is the issue.

Thanks!!

Posted on Sep 19, 2010

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1 Answer

I have a ~4year old Dometic RV refrigerator that does not start cooling when started after periods of being shut off (as little as 2-3 days). When I turn it on I can hear the fan start but after 2-3 hours...


ammonia absorption refrigerators need continuous heat either by
a heating coil powered by a transformer or, a propane flame
check/replace your gas thermocouple or, transformer to the heating coil located on the refrigerator back

Aug 21, 2013 | Refrigerators

1 Answer

Ac heat element heats but fridge isnt cooling


There are several possible causes to your problem. The first, is that your RV is parked on an incline and the ammonia that is the cooling medium has accumulated in the tube and that impacts the process required to cool. The second in that the lower control board is bad. The third is that you have lost the ammonia cooling medium from a leak in the coils.

But you should also check to see how it works on propane. If that works then it can't be anything to do with the Ammonia coolant.

Sep 12, 2011 | Dometic RM2652 Refrigerator

1 Answer

RM 2652 RV refrigerator runs on gas, not on AC. Power surge took out power converter and refrigerator power module. Replaced converter and power module. All display panel lights working. Cools great on...


just had same thing happen to mine. replace control board. starting working on gas. one the ac I then replaced the ac heating element and now working great on ac

Mar 21, 2011 | Dometic RM2652 Refrigerator

1 Answer

I have a dometic rm 2652 in a 2003 travel trl. The propane side works. The elect side quit working. There is power to plug. The lights for auto and fridge inter. also work. The two fuses are good.


Unplug hydro plug to fridge. Remove cover on circuit board. Follow wires from heating element, to terminals on circuit board. ( probably J7 and J8 ) . With an AC volt meter or multimeter set to AC voltage, turn fridge on hydro, and leave door open on fridge so that it calls for cooling. To be sure it's calling for cool, try gas first, when it's starts, you know it's calling for cool, then switch to AC operation. Now test for voltage at the 2 terminals that the heating element were/are attached to. If you get 100-120 VAC, then replace the heating element. If not get back to me and I'll walk you through a couple more tests.

Jan 26, 2011 | Dometic RM2652 Refrigerator

1 Answer

My Dometic RM2852 only cools when LP (Propane) Gas is turned on. Why won't it cool with AC only?


Good chance element is faulty. If you have a multimeter, carefully remove cover on circuit board and check voltage at terminals where element connects for 120Volt AC (hydro). The element is the round rod that slides in side of your stack and 2 black wires go from it back to circuit board. Make sure you have door open and fridge is calling for cool, otherwise you won't get voltage reading there. Best way to make sure it's calling for cool, is to open door, switch to propane, then when it lights on propane, you know it's calling for cool, then switch to AC (hydro) operation to test. If you get voltage reading from spades on board, and element isn't getting hot to touch within 10 minutes, replace element.

Jan 19, 2011 | Dometic RM2852 Refrigerator

1 Answer

AC runs for 5 minutes and then circuit breaker


What else do you have running on hydro while AC is running? Such as coffee maker, microwave, water heater, fridge. That 30 amp breaker is your main breaker I assume, or breaker on pole your plugged in to. Keep in mind your AC will normally draw approx. 15-17+ amps momentarily when compressor kicks in to cool, then drop back to 12-15 amps when running normal. If your AC is drawing too much current, then you would only normally trip 20 amp breaker for AC in your panel. Try switching other appliances to gas operation while running AC, such as water heater, and fridge. Make sure incoming voltage is up to specs as well . (115-120 volts)
If water heater takes 5-8 amps, and fridge takes same when they are calling for power, you'll be close or over the 20amp mark when you consider your on board converter etc. as well. That only leaves approx 10 amps for AC that requires approx 15 amps to run, and up to 20amps when compressor kicks in. If you switch all those other items over to propane, and it still happens, then a current draw test should be done on AC unit to see if perhaps a capacitor is faulty, or possible compressor faulty.

Jul 22, 2010 | Dometic Rooftop RV Air Conditioner

2 Answers

Rooftop RV Air Conditioner: replaced capacitor on dometic 59516-531 steal trip...


You need to borrow a clamp on style amp gauge, and check amp draw on black wire in box where hydro wires connect. (PLEASE, be careful, and if not experienced in this type of test, don't try it, due to likelihood of getting a shock. ) If it's the compressor kicking in that's causing the breaker to trip, and capacitor is good, then it's usually a problem with either low incoming (supply) 110-120 AC voltage, which will cause high amperage draw, or compressor on it's way out causing high amp draw. If it's only drawing 15-18 amps, and your tripping a 20 amp breaker, then breaker is getting weak.

May 18, 2010 | Dometic Rooftop RV Air Conditioner

1 Answer

RM 2652 will not get cold


Check the 5 amp buss fuse behind the frig.

Apr 04, 2010 | Dometic RM2652 Refrigerator

1 Answer

Unit cools fine on 120V, selecting GAS CHECK light on.


Do you hear a clicking sound If not. there is a black box inside the out side door. Check the fuses in it.

Ken

Sep 23, 2009 | Refrigerators

1 Answer

Dometic RM2652 will not cool on A/C or propane, I've checked fuses, and AC to refer. I opened the access panel on outside of Travel Trailer, and there is yellow powder on bottom, and some on heating tube....


Ammonia is just what you a re smelling as the coolant is ammonia based Your cooling unit has leaked and is done for- Sorry I had to be the one to tell you

2 choices Replace the refer or Replace the coiling unit, I would suggest replacing the refer and having a new warranty

Jun 07, 2009 | Dometic RM2652 Refrigerator

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