once the black mould has ate into the rubber, game over, new seal rubber needed .read your manual on how to a service wash when done wipe the seal leave the door and soap drawer OPEN to aid VENTILATION.MOULD/BACTERIA thrive in moist/damp conditions
service wash is at 90+ (no clothes) washing powder a cup of neat bleach, and for good measure a cup of white vinegar watch the fumes now let it RUN
wirecutterman, August 2010