Check out the rubber ring ( or called door seal) to see if there is black mold build up inside the bottom rubble.5 C3 i+ T/ B4 T' h1 _8 Y! l8 W
/ p S: }* g0 J, Q. FIf it does have mold and can not be wipe out, then you have to change out the whole seal.. I bought a new seal and changed out few weeks ago.