While you wait for answers, we may have found some information which could help you.
Click here for Condenser Water TrayBosch Exxcel 7 WTW863S1GB damp clothes, clogging filter?
Bosch excel condenser dryer 6307?
Bosch Classixx not heating even after trying red button reset ?
Drum not turning?
bosch tumble dryer shows 'E06'. Any ideas what this is referring to?
Bosch Excel tumble dryer condensor?