Check out the rubber ring ( or called door seal) to see if there is black mold build up inside the bottom rubble.7 o" d7 D( O3 P8 c8 D
. v! E: r. g: k& J8 y* CIf 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.