I also am having cooling issues with my Dometic RM3862. Is it typical for these to operate better on AC than on LP? Like a previous poster, the freezer seems to be cold enough, but the refrigerator ...
My Norcold 1200 operates best on LP. Whether on LP or Electric, ventilation is the main issue especially in warmer weather. Do you have a fan(s) in the evaporator area.
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