Differ type of fridge problem. - Escape Trailer Owners Community

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Old 03-20-2018, 08:40 AM   #1
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Different type of fridge problem.

Noticed on this trip our freezer gets up to the high 20's when it's cold, like the low 20's outside. As the outside air temp goes up the freezer goes down, to below zero. The fridge itself stays in t he 30's throughout. It happened on the way south too, freezer warms up over night, drops back down during the day.

This is for an Rmd8555, old style, 2 door, in a classic 5.0TA.

The fridge worked perfectly for the last 8 weeks in the southwest when temp were on the warmer side.

I won't go into all the little mods done to this unit.

Anyone know of a reason for such? The only sure fire way of correcting it is to stay where it's warm, but Deb says we have to head home.
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Old 03-20-2018, 09:30 AM   #2
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My theory or WAG.
The 8555 does not have much insulation in the frig walls and frig. temps are (more) affected by outside temps more than other standard RV friges. The thermometer for the frig/freezer is in the frig box back wall. If the outside temps are keeping the frig. box below your frig setting (34-40F) there is no need for the frig./ freezer to cycle or operate and the freezer will not cool since it cooling loop is directly tied to the frig. Once the frig. box heats up and demands cooling then the freezer temp will drop. My guess is if you opened the frig door dumped some cold air and let warm cabin air in the freezer temp would start to drop.

Eddie
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Old 03-20-2018, 09:43 AM   #3
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These absorption refers do not like cold, in fact the European version makes a cover for the external side vent to keep it warmer, similar to diesel trucks having the front radiator covered. Heat makes them work better, cold does not.
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Old 03-20-2018, 11:27 AM   #4
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Originally Posted by cpaharley2008 View Post
These absorption refers do not like cold, in fact the European version makes a cover for the external side vent to keep it warmer, similar to diesel trucks having the front radiator covered. Heat makes them work better, cold does not.
Some guys online have also suggested putting a 100W light bulb in the rear fridge compartment when it is very cold. Apparently owners with fridges in slides have a bigger issue because the fridge gets that much colder. Sounds like the issue can start around 20F or so which is right about where padlin experienced the issue.

Google "too cold for rv absorption refrigerator" and there are some interesting discussions.
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Old 03-20-2018, 03:32 PM   #5
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I have experienced two unrelated problems with absorption refrigerators in low outside temperatures:

With the back side of the refrigerator exposed to the cold (sub-freezing) outside air, not much (if any) refrigeration action is required to keep the refrigerator at the set temperature. As a result, the refrigerator doesn't run enough to keep the freezer section cold, and it thaws out, as Eddie described. My guess is that this was Bob's problem.

Our Dometic Americana series refrigerator (with a replacement OEM cooling unit only a few months old) just stopped running in cold weather. The burner was working. I put in a heat source (incandescent light bulb), which didn't fix the problem, but when the weather warmed up the refrigerator started working again without any repair or adjustment. A service tech assessed this as freeing within the cooling circuit, and wasn't surprised; this appears to be a common problem.
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Old 03-20-2018, 06:39 PM   #6
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Thanks, gives me a couple things to experiment with on the way home.
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Old 03-20-2018, 06:53 PM   #7
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Thanks, gives me a couple things to experiment with on the way home.
Do not rush, your home state is getting more snow tomorrow and this weekend.....
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Old 03-20-2018, 07:02 PM   #8
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Padlin, when you heading home? We are from central NY. And the forth nor’easter this month is due to hit there. Temps still in the single digits this morning. We heading back on April 2nd. Hope it’s all gone by the time we get there. Plan on being home on the 27th. Save travels.
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Old 03-20-2018, 07:33 PM   #9
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We're taking 2 weeks for the drive, left Phoenix Sunday, just in time for snow in Flagstaff. Hoping to get home a week from Friday +/- after a stop in Santa Fe and York Pa.

On the original issue, opened the fridge door to get it up to 40, the freezer dropped from 28 to 18 in about an hour. Not something I'm going to fret over, I'm fine with it working the way it is. For the 1st time I had no issues with the fridge not getting cold enough this whole trip.
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Old 03-20-2018, 10:12 PM   #10
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Bob did you ever hear back from JC Refrigeration about the Amish cooling unit?


Cheers
Doug
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