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Old 01-24-2009, 10:39 AM   #1
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need quick help on Dometic fridge

we have a electric/propane Dometic in our 1999 30' Excella. We're on location in the Vineyards Campground on Grapevine Lake in Dallas.
We're hooked up to electricity.

In the middle of the night last night, the fridge stopped. No interior light. No lights on the light panel. Obviously, no longer cooling.

ALL other 12V and 120V systems are working.
All circuit breakers seem OK.

The fridge was serviced for the Dometic recall several months ago, and has worked fine since.

The inline fuses on the fridge circuit panel (outside) are OK.
It looks like they installed a new thermal sensor on the vertical pipe, along with the sheet-metal shield.

Any ideas? Its clear that ONLY the fridge has gone offline. Where can I find the break in the circuit, or what has tripped it off.

Thanks.
(its 35 degrees outside, so maybe we'll just load everything into a cooler and put it outside!)
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Old 01-24-2009, 10:43 AM   #2
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Have you checked the 12 volt line in and the 12 volt ground out to make sure you have power and ground?
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Old 01-24-2009, 10:54 AM   #3
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The panel lights and control unit are 12 volt so that the control panel can operate when the refer is running on LP. Ditto checking your 12 volt circuits and fuses.

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Old 01-24-2009, 10:55 AM   #4
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Are these lines to the fridge specifically? Where are those located, and are these something that would fail overnight? Thanks, Fr. Guido.
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Old 01-24-2009, 10:58 AM   #5
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Moosetags, I checked all the fuses I know of, including the fuses on the refer panel outside. Panel lights on fridge are out, so clearly neither 12 volt nor 120 are working.
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Old 01-24-2009, 10:59 AM   #6
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Any known problems associated with the Dometic recall work?
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Old 01-24-2009, 11:00 AM   #7
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My first suspect would be the automotive type fuse on the converter panel. There is probably a specific fuse that goes to the 12 refer circuit. I just took a look in my outside refer box and did not see any outside 12 volt fuse.

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Old 01-24-2009, 11:01 AM   #8
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I had my recall work done last summer and have not had any problems.

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Old 01-24-2009, 11:32 AM   #9
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I don't know how similar your set-up is to mine. I have a 20 amp automotive fuse in the converter box that goes to my 12 volt refer circuit along with the the water pump and range vent/light. Remember that the refer control circuit is 12 volt and is required for the refer to operate on 120 AC or LP.

Also, don't depend on the automotive fuse looking intact. They can sometimes be deceiving. Replace the fuse anyway or bridge the connection with a wire.

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Old 01-24-2009, 11:54 AM   #10
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Thanks Moosetags. I'm not at the trailer right now (we're up visiting family). I've never looked into the fuse panel by the converter - I guess its under the front gaucho? I did look at the 12v breaker panel under the front window. All those seem OK, and in any event each one feeds multiple 12v circuits - and everything else is working.
I'll check out the converter panel tonight.
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Old 01-24-2009, 05:36 PM   #11
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When you do find the culprit, please let us all know. It's a big help to everyone.

Brian
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Old 01-24-2009, 10:06 PM   #12
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Fixed but not solved

OK, so I checked around the converter for fuses. Found a single 1amp fuse, but it was OK.

Went outside and decided to replace the two fuses on the circuit board. But wisely decided to unplug from the 30amp connection first.

After unplugging, just as I get back to the outside fridge panel, I hear it light up on propane!!! Go inside, sure enough the panel is lit up and everything works.

Go back and plug it into the 30 amp line, and it converts over just fine to AC power.

What happened?
Is there a thermal sensor that might have tripped and wouldn't reset until the shore power was detached?

Still don't know what happened, although it now works.
(Maybe Andy will read this and have an answer!)
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Old 01-25-2009, 07:26 AM   #13
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To answer your question, I don't know. I will, however, keep your "fix" in mind for future mystery refrigerator problems.

Brian
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Old 01-25-2009, 08:06 AM   #14
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Sounds like you should have called the help desk where I work. Reboot!
The controller card may have taken a power glitch and needed to be reset. That's just a guess...
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