Dometic fridge - Fiberglass RV


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Old 08-26-2014, 10:07 PM   #1
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Name: Peg
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Dometic fridge

I recently put in a fridge in my 1995 13' Scamp..it's great when it works but too often it will just go off while I'm parked. It is really difficult to get started but I'm used to that, going off in the middle of a trip is a drag. I usually dry camp but recently plugged in and the refrigerator didn't seem to work.
I always check my propane and turn the correct switches on.
Anyone else having trouble with their refrigerators?
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Old 08-26-2014, 10:42 PM   #2
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I had that same problem. I did EVERYTHING listed within this forum to try to correct it, and it never did solve the problems. I replaced it with a NOVAKOOL 12volt only refrigerator with a 100 watt solar panel to keep the battery topped off. We camped for months on end without any problems after that, and it kept everything cold no matter what the outside temperature was or how much the wind was blowing.
Lots of Luck
Dave & Paula
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Old 08-27-2014, 04:01 AM   #3
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Peg I had similar sounding problem with mine in the spring and I wasn't getting a good healthy flame... had spider webs clogging the jet. Norcold 3way fridge in my ParkLiner
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Old 08-27-2014, 07:05 AM   #4
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After following Deryk's suggestions, if it still has problems, give us a little more help with the model number and age of that Dometic refrigerator. Also tell us about the install and vents etc.

I just removed a Dometic Model 23 that was 40 years old and it still worked fine on both 120VAC and LP and the slightly larger Dometic RM2193 I installed stays ON, on LP gas, 24/7 for days at a time, including travel time.
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Old 08-27-2014, 07:08 AM   #5
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Quote:
Originally Posted by pegski View Post
I recently put in a fridge in my 1995 13' Scamp..it's great when it works but too often it will just go off while I'm parked. It is really difficult to get started but I'm used to that, going off in the middle of a trip is a drag. I usually dry camp but recently plugged in and the refrigerator didn't seem to work.
I always check my propane and turn the correct switches on.
Anyone else having trouble with their refrigerators?
Used? Might need cleaning. Used or new- All LP fridges have a safety valve that is held open by a thermocouple that is in the flame. If the thermocouple is not adjusted right or is faulty, the valve will close and the flame will go out. Raz
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Old 08-27-2014, 10:08 AM   #6
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Dometic fridges sometimes have bad grounds.

Some Dometics (My RM2607 from 1993) would cut out like that for no 'apparent' reason. After investigating, I replaced the main circuit board with a Dinosaur Micro P-711 replacement for about $110. The reason for the Dometic failures are usually the grounding of the heavy thermocouple wire from the sensor detecting that the flame is on. For some reason, Dometic connected only one end of the thermocouple to the actual board and depended on a frame ground for the return path. That thermocouple only develops voltages in the millivolt ranges, that is: around 25 - 50 thousandths of 1 Volt. So any minor resistance or bad connection will kill the voltage, shutting off the gas. The other 'problem' that Dometic did, was not retry igniting the flame after it goes out. You have to shut off and restart the fridge with the buttons.
The Dinosaur replacement boards 'solve' these issues and it has been flawless for the last 4 years.
I have no affiliation with Dinosaur Electronics, but am just a satisfied user/customer, tickled pink with how their board solved my problems.
Mike
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Old 08-27-2014, 10:46 AM   #7
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Quote:
Originally Posted by pegski View Post
I recently put in a fridge in my 1995 13' Scamp..it's great when it works but too often it will just go off while I'm parked. It is really difficult to get started but I'm used to that, going off in the middle of a trip is a drag. I usually dry camp but recently plugged in and the refrigerator didn't seem to work.
I always check my propane and turn the correct switches on.
Anyone else having trouble with their refrigerators?
What the model number of fridge do you have & its age? that would help a lot in making a suggestion as to what the issue may be.

The original Dometic fridge in my 92 has never gone out once light on propane. It has run for days on end without issue. I do have problems lighting it for the first time if it has not been used for more than a few months. Once its been light once it normally lights fairly easily the next time I use it - sometimes I do need to heat up the tubes a little bit (about 40 secs) with a lighter first though.

If it was my fridge and it was always hard to light or going out I would first look at cleaning the tubing, as suggested all it takes is a spender web to create problems. If that was not the problem I would then have the propane pressure checked to make sure it was set correctly & there are no issues with the regulator.
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