Hi, no issues with my 2013 ACE 30.1, but we do not use the drop down bed very often. Most regular magnets do not like physical abuse (being banged) as it tends to weaken their domain structure......not sure what type of magnets these are. The other thing would be if the mattress has been changed to something thicker or perhaps thicker bed linens etc forcing the bed frame away from the ceiling more than just a bare mattress. Is the bed falling even with the original bare mattress?
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