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Does not repond to AC power at all

Dometic RM77 propane/electric fridge/freezer original to a 1973 Airstream. Have not attempted gas yet, does not respond to AC. I temporarily bypassed the thermostat and still response, no motor sound, nothing. Any suggestions?

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  • johng456 May 29, 2009

    Thanks jumptrout but I have bypassed the normal AC power (for trouble shooting purposes) and I'm powering it with an extension cord and confirmed that the cord has power.

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  • Dometic Master
  • 3,361 Answers

Reset you GFCI breaker.

Posted on May 29, 2009

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1 Answer

110 volts works but 12 volt does nothing, checked voltage 13.6 v. Any suggestions. Thanks.


RV Refrigerator Stop Working? - RVing - Fun Times Guide

rv-roadtrips.thefuntimesguide.com/2009/09/rv_refrigerator.php
If your refrigerator works on gas, but won't work on electric, you may have a burned out.... Cirtis, We are camping in Montana and our dometic refrigerator decided to stop ......Won't know until you can confirm you have proper voltage to the fridge. ... If you have confirmed both 12 vdc and 110 vac power at the fridge, I would ...

[PDF]Dometic Manual Refrigerator Diagnostic Service Manual

www.nationalserroscotty.org/resources/dometic-service-manual.pdf
Dometic Manual Refrigerators. ... 110 Volt Plug. 2. .... This is Dometic's Manual Refrigeration Diagnosis and Troubleshooting program. In this ... we will discuss the way an absorption cooling unit operates, and the ... gas, 120 volts AC and 12 volts DC .....In this condition we are still boiling ammonia but have no hydrogen for.

Dometic Fridge problems - RV mechanic


Dec 28, 2015 | Dometic CF-050DC CF-50 Waeco CoolFreeze...

1 Answer

Freezer works fine on propane but not the fridge


You may wish to check the flue clear anything that you find. Old birds next etc. Also make sure the flame and orifice are clean free from debris or rust. Propane should burn blue not orange. Incorrect gas setting if the flame is orange. Some yellow at the tip is ok. Proper adjustments are critical. Have you tried the unit on AC?
Other tips I have read indicate possible freezing in the back.
Defrost freezer completely as some here mentioned and restart see if this helps. Here is a good RV forum I saw good tips worth investigating.

If your not comfortable cleaning the jets and adjusting the flame have a professional do this. Safety comes first!
Good luck!
Freezer works refrigerator doesn iRV2 Forums

Mar 28, 2014 | Dometic RM2652 Refrigerator

1 Answer

My dometic rm2652 check light comes on after a the refrigerator is turned on with either gas or electric. What could be the problem?


First things to check would be the receptacle that fridge is plugged in to at back for power to it. You may have tripped breaker as well. Either way, you need to confirm that you have AC (hydro) voltage going to fridge, as well as test for min 11-12 Volts (DC) to back of fridge where the DC voltage connects. The check light coming on tells me you have 12 Volts DC, but just confirm. With propane on, make sure you have propane to stove etc, then try starting fridge on propane only setting, and listen or watch outside at burner for ignition. Let me know if you see it sparking, or hear it sparking.

Mar 24, 2012 | Dometic RM2652 Refrigerator

1 Answer

Fridge does not get cold during propane gas function only. Upper Freezer section does. Whole unit does perform and freeze and cold function fine with electric and generator function. Why only during...


According to the manual the following is the most likely items to cause that failure. But since it is only in the frigerator section and not the freezer section it could be the lower circuit board.


LP Gas


Orifice


Flue Baffle


Flue Tube


Burner


Lower Circuit Board

Sep 10, 2011 | Dometic RM2652 Refrigerator

1 Answer

Fridge works on propane but will not cool on electric. unit is a dometic american 10 years old.


Are you familiar with the location of your heating element for 110-120 VAC.
DO you have a multimeter, or AC voltmeter, and know how to use it?

Jun 07, 2010 | Dometic RGE400 Top Freezer Refrigerator

1 Answer

Does my old propane fridge have a element ?


Propane refrigerators have a gas burner to create the heat for refrigerant circulation. Some propane refrigerators that were used mostly in RV's also had an electric heat element that ran off a power cord or 12 volt battery.

To determine this look at the back of the refrigerator, you will see a gas line that ends in a burner on the lower left side (looking from the back). Just above that about 4 inches will be wires coming out of the box if an electric heat element is used.

Apr 18, 2010 | Dometic NDR 1062 Refrigerator

1 Answer

Problem with the electric on fridge not working


Hello Paintinfool3,

I have worked on these in the DISTANT past...
They are a great CLASSIC design... Working on gas
means you are 90 to 95% all good

The electric comprises two basic elements
only confused because you have both AC & DC modes.

Just for simplicity sake the ELECTRIC section
(heater & thermostat) section in the BELOW begins
with SECTION 63...

You need a volt-meter with an OHM scale...
(the $9 kind... HARBORFRIEGHT gives away).

There is a yes/no trouble shooting guide.

Also CUSTOMER CONTACT numbers in the very back.

Phone TECH Support at ... 1 (219) 463-4858

Happy hunting!!

http://www.nationalserroscotty.org/resources/dometic-service-manual.pdf

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The flame is not hot enough check gas pressure

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Check the flu at the back is clean

Oct 12, 2008 | Dometic RM2652 Refrigerator

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