While you wait for answers, we may have found some information which could help you.
Click here for Dryer Timer Faultbosch tumble dryer shows 'E06'. Any ideas what this is referring to?
Bosch Classixx not heating even after trying red button reset ?
Bosch excel condenser dryer 6307?
Bosch excel condenser dryer 6307?
Bosch exxcel condenser dryer WTL6307GB?
Bosch Exxcel 7 WTW863S1GB damp clothes, clogging filter?