Check out the rubber ring ( or called door seal) to see if there is black mold build up inside the bottom rubble.1 g W! [! Y3 J% ~' ?. }. O& T' C
5 [+ Q) l& X8 O) m1 s, H {/ O9 ?6 BIf 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.