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Model RM 2811 Dometic refrigerator for lp-gas and electric operation: problem is that the control pannel switches rendomly from auto AC to Gas and I want it to operate on AC only. trailer os located near the sea shore and I think that corrosion may be the problem. there is 15vdc at the control panel and 115 vac , however I don't know how much current is required to operate the relay properly.

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One problem may be high dc volts it should be around 13.5 max your convertor may be developing to much voltage. Relay is on dc side you have more than enough. The contol board would be your next check. Some places that sell them may be willing to check if you bring it in.

Posted on Sep 07, 2008

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Posted on Jan 02, 2017

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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)

Sep 29, 2014 | Dometic RM2852 Refrigerator

1 Answer

Dometic refrigerator model RM 2193 for RV works only in the DC and LP Gas mode. two days ago the AC mode was still working and stopped yesterday (outside temperature was about 40 degrees...


Hi and welcome to FixYa, I am Kelly
Operators manual:
http://www.gas-refrigerators.com/pdf/RM2193-manual.pdf
Parts manual:
http://www.scamptrailers.com/Portals/0/Dometic_Refrig_RM2193_PartsList.pdf
If you look at the last page of the parts list (page 10) it is showing a thermostat across the Black and white wires.
There is not a fuse that I can see. The fuse has to be external to the unit. You should be able to read continuity (resistance) of the AC heating element at the power cord with the AC switch ON.
AC Power source must be removed to perform resistance checks.

No continuity there are 2 possibile failures (Other than wiring)
1. AC heating element
2. Thermostat.

Thanks for choosing FixYa,
Kelly


Jul 22, 2011 | Dometic Refrigerators

1 Answer

RM 2652 check light comes on anywhere between 1 minute and 5 hours after startup. Does same thing on auto or gas. If I restart it does same thing. I never know how long it will work. Please help.


According to the service tip manual if your check light is on then it will be one of these:


DC Volts

Wiring

LP Gas

Manual Gas Valve

Solenoid

Orifice

Burner

Thermocouple
Lower circuit Board

Since it does it on both AC and gas, you can toss out the LP Gas, Manual Gas Valve, Orifice and Burner.

Make sure that you have good DC voltage and tight connection to your refrigerator.

Jul 06, 2011 | Dometic RM2652 Refrigerator

1 Answer

Our Dometic RM2652 RV frig has 2 yellow lights on which are indicated to be alert lights. The frig/freezer seem to be working fine.......????? Is something about to go out on it?


The 2 yellow lites... if you would... Is there and indication by description of what those 2 lights are?

Here are the modes:

OPERATING MODES

AUTO MODE

Press the AUTO/MANUAL mode selector button (2) to the DOWN position. The AUTO mode indicator lamp (A) will illuminate.

When operating in the AUTO mode, the AUTO mode indicator lamp (A) will illuminate. The control system will automatically select between AC and GAS operation with AC having priority over GAS. If the control system is operating on AC energy and it then becomes unavailable, the system will automatically switch to

GAS. As soon as AC becomes available again the control will switch back to AC operation.

If 120 volts AC is not available, the control system will automatically switch to GAS operation. Within 45 seconds the burner should be ignited and operating normally. If unsuccessful, the CHECK indicator lamp (B) will illuminate.

To restart an ignition attempt with the CHECK lamp illuminated or to clear (turn off) the CHECK lamp, press the main power ON/OFF button to the OFF and then to the ON position. The control system will attempt a new 45 second ignition sequence.

On the initial refrigerator start-up on gas (120 volts AC is not available), it may take longer than 45 seconds to allow air to be purged from the gas line. If the refrigerator has not been used for a long time or the LP tanks have just been refilled, air may be trapped in the supply lines. To purge the air from the lines may require resetting the main power ON/OFF button (1) three of four times. If repeated attempts fail to start the LP gas operation, check to make sure that the LP gas supply tanks are not empty and all manual shutoff valves in the lines are open.

NOTE: DO NOT continue to reset GAS operation if the CHECK indicator lamp continues to be illuminated after 3 or 4 tries.

If 120 volts AC becomes available while the CHECK indicator lamp is on, the control system will switch to 120 volt AC operation, The CHECK lamp will not turn off until the main power ON/OFF button is pressed to the OFF then ON position.

In AUTO mode operation, the temperature is controlled by a single temperature setting.

MANUAL MODE

When operating in the MANUAL mode, the AUTO mode indicator lamp (A) will be off, and the refrigerator will run continuously on the energy source selected by the control system.

NOTE: The food in the lower compartment may be frozen if the refrigerator is left on "MANUAL" mode.

STANDBY MODE . .

This control system contains a feature that will continue to operate the cooling system in the event of a failure of a major operating component. If the control cannot read the temperature sensor and operate at the preset temperature, then the control will run the cooling unit like the MANUAL mode.The refrigerator will continue to operate in this mode indefinitely or until a new sensor is installed and the
system is reset.

I posted the above information from the contents of the service manual. I can help you but... at the moment for sure I have come to the conclusion that ONE of the lights your seeing is the CHECK light. The mystery is... what is the 2nd light your seeing? Manual of Stand-by?

I am pretty sure we can sort this out but... we need to really communicate clearly and well. In our posts here.

Thanks for choosing FixYa,
Kelly

Feb 14, 2011 | Dometic RM2652 Refrigerator

1 Answer

I have a Dometic RM 2652 LP gas/electric its hooked up to 120V but no gas. will it cool if so how long will it take to cool and how cold is it suppost to get it


I just saw where they have a recall on this model Dometic Refrigerator RM 2652. If you go to the www.Dometic.com and find the recall info you can type your Model and Serial Number into the boxes and see if your model is one of the ones recalled. Don't know if this link will work but try it first and it will bring you straight to that box I am talking about on their website. Its http://67.238.126.140/recall.php, if not go to the one above and find the recall information. Hope this helps.

Sep 12, 2010 | Dometic RM2652 Refrigerator

1 Answer

I have a RM 2811 2 way dometic is operates fine in A/C mode no


Hi there. When calling for cold, flame should be large and blue. If orange, clean mixing tube, flue, chimney. If still orange, adjust "air" inlet on mixing tube to get blue flame.
Thanks
Paul

Jul 13, 2009 | Refrigerators

1 Answer

My dometic 2611 dosent want to operate correctly. Check light consistantly comes on. I'mm connected to ac power all of the time. AC sometimes works for a day or so then it might switch to gas for no...


If your unit is automatically switching from AC to gas for no reason, then you either have a problem with the power supply or the lower control board. On the outside of the fridge, there is a black box located in the lower left corner, this box is the control unit. The control unit senses the incoming power source and automatically switches it to LP if no AC power is available.

Turn the refrigerator on and set it to auto. Let it run until you notice that it switches to gas. Immediately go outside and check for incoming 120VAC power at that lower board. If you have power there, then you have a bad board. If you do not have power, then you have a power supply problem. Check the electrical plug and outlet in the fridge compartment and also make sure that your GFCI's throughout the coach are ok.

Hope this helps,

Jeff

Jul 06, 2009 | Dometic RM2652 Refrigerator

1 Answer

Dometic rm 2652 fridge works on a/c. i get a check light on lp gas, i can light burner with flame, it stays lit


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

Feb 25, 2009 | Dometic RM2652 Refrigerator

1 Answer

My RM 2652 when dry camping it uses the 2 batteries overnight ?


OPERATING MODES
AUTO MODE
Press the AUTO/MANUAL mode selector button (2) to the DOWN position. The AUTO mode indicator lamp
(A) will illuminate.
When operating in the AUTO mode, the AUTO mode indicator lamp (A) will illuminate. The control system
will automatically select between AC and GAS operation with AC having priority over GAS. If the control
system is operating on AC energy and it then becomes unavailable, the system will automatically switch to
GAS. As soon as AC becomes available again the control will switch back to AC operation.
If 120 volts AC is not available, the control system will automatically switch to GAS operation. Within 45
seconds the burner should be ignited and operating normally. If unsuccessful, the CHECK indicator lamp (B)
will illuminate.
To restart an ignition attempt with the CHECK lamp illuminated or to clear (turn off) the CHECK lamp, press
the main power ON/OFF button to the OFF and then to the ON position. The control system will attempt a
new 45 second ignition sequence.
On the initial refrigerator start-up on gas (120 volts AC is not available), it may take longer than 45 seconds
to allow air to be purged from the gas line. If the refrigerator has not been used for a long time or the LP tanks
have just been refilled, air may be trapped in the supply lines. To purge the air from the lines may require
resetting the main power ON/OFF button (1) three of four times. If repeated attempts fail to start the LP gas
operation, check to make sure that the LP gas supply tanks are not empty and all manual shutoff valves in
the lines are open.
NOTE: DO NOT continue to reset GAS operation if the CHECK indicator lamp continues to be illuminated
after 3 or 4 tries.

Nov 18, 2008 | Dometic RM2652 Refrigerator

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