While you wait for answers, we may have found some information which could help you.
Click here for Front Bosch InsideBosch exxcel condenser dryer WTL6307GB?
Bosch excel condenser dryer 6307?
Tumble dryer not drying clothes?
bosch tumble dryer shows 'E06'. Any ideas what this is referring to?
belt to slack. ?
Drum not turning?