The acoustic signal can be deselected if necessary:
1. Switch on the appliance.
2. Select the Drum Clean programme.
3. Press the “Extra rinse” button “Temp.” button and “Steam” button at the same time for about 3 seconds. “bEEP OFF ” will be displayed and the buzzer will be deactivated.
4. For activating the buzzer, press “Extra rinse” button “Temp.” button and “Steam” three buttons at the same time again for about 3 seconds, then “bEEP On ” will be displayed.