De Dietrich DC1538QJ Manual De Instrucciones página 18

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ECO Glass 90min Rapid Soak Auto Intensive Universal ECO
If a program is selected, the response light will light. Then close the door, the dishwasher
will start the selected washing cycle.
Auto Open Door
After washing, the door will open automatically to achieve better drying effect.
NOTE:
The dishwasher door must not be blocked when set to open automatically.
This can disrupt door lock functionality.