Question about Refrigerators

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Have dometic fridge RM2553. Has been going great. Yesterday showed on red at dial BUT when checked vent it was hot; so going but not showing in green. Safe?I live in my Jayco caravan so this recent problem is a worry, wonder if the safe proof system will be working without the On/Off front dial showing On.

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  • schelleotang Mar 24, 2011

    Not satisfied at all with the reply. I just simply do not understand what you are meaning. On the front of my fridge there is a small dial and when fridge is going it goes to the On green area; this shows me the fridge is on. I wanted to know if safeproof would still work with this dial not working and whether these fridges dials can be replaced. Please check on what i mean by the on/off front dial and if not satisfied will ask for refund. Feel my query has not been answered.

  • schelleotang Mar 26, 2011

    Not satisfied with the solution and ask for more please. have dometic gas fridge RM2553. The ON/OFF dial that shows the fridge is going- on swing arm red off green on; has stopped working and wonder if easy to replace and if the safeproof turnoff will still work? I live in my caravan and its a bit scarry without knowing via dial if the fridge is going or not. It is going as checked the vent and the flue exhaust is hot and the freezer if icing up. I need a laymans reply not something that I cannot make any sense of.Thanks Schelle

  • schelleotang Mar 29, 2011

    You are so clever Ginko, did as you said and right clicked and up came the service manual. The part that is not working is the part E the flame indicator. The fridge is cooling and ice has formed in the freezer but according to the flame indicator she is not working=== just still on the red off position. Any chance that I can give it a twink or am I better to get it replaced? Thanks so far you are being very helpful re my problem. Cheers Schelle

  • Anonymous Mar 25, 2014

    I am enquiring re our Dometic Fridge Model RM2553 in our caravan It will not work on 240V



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The safety mechanism will still be working. The only case it won't be working is when the safety mechanism itself is causing the problem. In that case there will be no risk because flame will be forced to turn off.

The indicator on red is telling you that the fridge is not cooling. It does not affect the safety of your Dometic.

The safety mechanism in your Dometic works using a thermocouple and a safety valve. When either of this will fail the gas flame will turn off, and the fridge will stop cooling. The safety mechanism works even when it is broken, as it does not allow gas valve opening.

About poor cooling, there are a number of reason that may result in insufficient cooling with this kind of fridge.

Check if there is flame, if there is no flame, then testing will start from igniter, coil, flame sensor and safety valve.
Ensure that there is enough ventilation.Thermostat and cooling unit must be tested if flame operations are OK.
On LP gas, check filter. Check pressure regulator and gas from the lines.

I have included a link to the service manual. Please click below to open the file in PDF format:

Service manual.



Posted on Mar 26, 2011

  • schelleotang Mar 27, 2011

    Ginkgo, thanks understand your solution but as yet cannot work out if my laptop will let me get the pdf service manual up on the screen? The gas pressure and gas lines are all ok. The fridge is working as the flue outlet is hot and the freezer is cooling. Just seems the dial on the front of the fridge has stopped working, will get a service man to fit new one, as find it good to check visually if the fridge is running bu checking the dial is in the green. It is good to know the problem will not affect the safety cutoff. Cannot see where the naked flame is on this gas fridge, going on the heat it is bottom right corner? I am trying to find the solution as I live alone and have not many dollars to spare. Schelle

  • Ginko
    Ginko Mar 28, 2011


    Try clicking the right mouse button on the link and choose download.



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A knob on the circuit board allows you to fine-tune the temperature of units ... reverse polarity and a red LED comes on when the circuit breaker is tripped. ... A handy diagnostic light on the board is green to show power to the board.

Please get back to us if you have further query else please accept the suggestion.

Thank you for contacting

Posted on Mar 23, 2011


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