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Old 12-03-2018, 07:03 PM   #1
1 Rivet Member
2016 23' Flying Cloud
Washington , Washington, D.C.
Join Date: Jul 2012
Posts: 9
Dometic refrigerator ices up

The fridge in our 2016 Flying Cloud 23-foot is icing up around the freezer compartment. The inside of the freezer compartment is also frosty. This happens after about 2 days of operation.

I've tried reducing the amount of contents in freezer and fridge compartments. That didn't help.

This icing up happens on propane and electric. We keep the fridge running on propane while driving to new locations. I wipe out the ice crystals, but they just come back.

We kept the fridge on continuously for 7 weeks at a time this summer and 4 weeks this fall. Could that be the problem?

Is the refrigerator dying?

I am grateful for any solutions or advice!
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Old 12-03-2018, 07:35 PM   #2
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2017 25' International
Niagara-on-the-Lake , ON Canada
Join Date: May 2016
Posts: 1,838
The ice/frost is formed from moisture in the air entering the fridge and freezer every time the door is opened. We have to defrost often twice in the summer. The RV reefers do not self-defrost.
Ray B.
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Old 12-03-2018, 08:48 PM   #3
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2002 25' Safari
Dewey , Arizona
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check the door seal. Leaking will cause frosting.


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Old 12-04-2018, 12:42 PM   #4
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2008 27' Safari FB SE
Miami , Florida
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I spend the whole summer parked in Yellowstone which averages really low humidity. Usually get away with defrosting once. In the winter, we are in Florida where the humidity is, oh, 250% most days. We defrost every two to three weeks.

I know it is contra intuitive but if you fill your freezer as much as possible, you will reduce the amount of moisture laden air, reducing the rate that frost accumulates.

If you are getting ice on the fins in the refrigerator, a little spray bottle full of alcohol is handy to spray the ice off with.
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Old 12-04-2018, 01:33 PM   #5
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2013 30' Flying Cloud
Kingwood , Texas
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Small fans on the cooling fins in the refrigerator will help in the refrigerator section and it helps distribute the cooling. We use two plastic place mats placed in the back of the freezer that allow the frost to attach to it and be easily removed.
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Old 12-04-2018, 04:31 PM   #6
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2014 20' Flying Cloud
Sag Harbor , New York
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Originally Posted by azflycaster View Post
check the door seal. Leaking will cause frosting.
^^^ x2
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Old 01-04-2019, 07:49 PM   #7
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2009 25' FB Classic
Scottsdale , Arizona
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To defrost I use the wifeís hair dryer with a towel on the bottom of the freezer to soak up the water. I check the fins and do the same when Iíve forms on them. We have a drip pan with an outside drain under the fins so it ease to deice them. Itís the humidity in the air that causes the ice not the refrigerator.
Bob & Julie # 5587, 4CU in AZ
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Old 01-04-2019, 08:02 PM   #8
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2020 30í Globetrotter
2014 23' International
Dadeville , Alabama
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Add a fan.

Adding a fan will prevent this problem. I live in the humid south and never have to defrost my fridge.
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