Miele DGC 6700 Operating And Installation Instructions page 134

Cleaning and Care
After descaling
134
After the final confirmation of "OK" the descaling starts.
The descaling program can be canceled only during the
first 6 minutes.
Do not turn the appliance off during the descaling program,
since then the program has to be restarted.
After a period of about 25 minutes there is a rinse cycle.
^ Follow the display prompts.
After the expiration of the remaining time the display shows
"Empty condensate container".
^ Follow the instructions on the display and confirm with
"OK".
This ends the descaling program. The display shows an
appropriate message.
^ Turn the appliance off.
^ Remove the water container and dry it.
^ Open the door.
^ Dry the oven interior.
Make sure the appliance is completely dry before closing
the door.