Dometic Fridge Blinking Off - Fiberglass RV
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Old 08-06-2020, 02:54 PM   #1
Senior Member
Name: Ruth
Trailer: Casita
Posts: 215
Dometic Fridge Blinking Off

Actually, itís never coming on. No matter which source of power we choose, the correct lights turn on but blink off after two seconds.
My husband usually handles these things on our 2008 Casita 17, but because he is very ill, itís on me to get this fixed. I just want to see in advance of calling the mobile RV guy if anyone can tell me what it sounds like it could be so Iím semi informed and donít fall for something.
Two weeks before his diagnosis, my husband checked everything outside of the actual fridge to see if there was an external problem. He was checking all the switches and fuses under the bed (inverter?), tested the battery and propane, and unplugged and re-plugged a cord outside in the fridge compartment. I wasnít paying that much attention, obviously. We decided weíd deal with it when it was cooler and we had more time since we were in the middle of a move to TX and it was HOT at the storage facility. That was in April, and sadly, weíve recently realized we wonít be camping again, so I have to get it fixed to sell.
If anybody could rattle off a list of other things to check, I think I can use the A-Z book and google to glean enough of an understanding to hold my own with a repairman. Thank you!
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Old 08-06-2020, 07:49 PM   #2
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Name: Charlie Y
Trailer: Escape 21 - Felicity
Posts: 1,474
If you consistently get a light to power on (using all sources of power) that rules out a lot, even if it does turn back off after 2 secs. I'd suspect the control board. IF you're getting the same symptom on AC.

AC uses a completely different heating element than propane, eliminates all of the gas valve and thermocouple that keeps the flame burning.
Charlie Y

Don't drill holes, try custom storage you design:
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Old 08-06-2020, 08:26 PM   #3
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Name: Steve
Trailer: 2018, 21ft escapeó 2019 Ram 1500 Laramie
NW Wisconsin
Posts: 4,441
I know on our 2013 Casita if the battery voltage dropped below a certain level , the refrigerator would come on , sense low DC voltage , the lights would blink and then the refrigerator would shut off.
In our case , one of the battery cells had shorted out , and the battery voltage was below 11VDC
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Old 08-07-2020, 09:55 AM   #4
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Name: Mike
Trailer: Escape 21 & Jeep GC 5.7 (Previous 2012 Casita FD17 & 2010 Audi Q5)
Puget Sound, WA
Posts: 1,634
A Diagnostic Service Manual (34 pages) is available online. The first link is to a PDF format. The second link is to a "reader" format, which I don't care for as much.

This program will address the most common system problems associated with the RM2351, RM2354, RM2451, RM2454, RM2551, RM2554, RM2652 ,RM2662,RM2663,RM2852and RM2862 refrigerators supplied by The Dometic Corporation. Our intent is to provide you with a guideline of checks to make, should you encounter one of the following symptoms.

There are also a few other manuals available online for this series including "Operating Instructions" (28 pages), "Parts List RM2454 Series Refrigerator" (11 pages), "Installation and Operating Instructions" (16 and 40 page versions), "User Manual" (16 pages).
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Old 08-07-2020, 06:18 PM   #5
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Name: Stu
Trailer: 2003 21RB Bigfoot
Coos Bay, Oregon
Posts: 102

What make and model? I found a great trouble shooting manual for my Dometic RM2612.
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