Check out the rubber ring ( or called door seal) to see if there is black mold build up inside the bottom rubble. 8 x9 y( [3 h# F) p / s$ B# Q( G: o9 b7 X9 KIf 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.