Check out the rubber ring ( or called door seal) to see if there is black mold build up inside the bottom rubble.! o; \$ i- j( A% W2 Y. h
' b( w( ?6 r3 e7 ], G: zIf 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.