Montana Owners Club - Keystone Montana 5th Wheel Forum

Montana Owners Club - Keystone Montana 5th Wheel Forum (
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-   -   Dometic Fridge Frost Build Up (

8e3k0 03-26-2018 10:08 AM

Dometic Fridge Frost Build Up
Over a period of 2 1/2 months our fridge has accumulated a lot of frost/ ice on the fins of both the freezer and fridge compartments. The two switches inside the freezer area are for different ambient outside temperatures I assume. The I must be on and the O must be off, is this correct? What actually do these switches do? We do have the manual but it is very vague. If the switches are on will this prevent ice accumulation?
We have a 2009 3400RL with the single door fridge.
Any help or experience would be appreciated. Thanks Ellis

jcurtis934 03-26-2018 04:21 PM

I can't remember what the dometic was like on my old diesel pusher, so no help for you on that. When I still had my norcold in the montana, I would use a plastic scraper to get rid of the ice in the freezer sections. Usually serious frost on the fridge fins means door seal is leaking air into the fridge.

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