Miele CVA 610 Operating Instructions Manual page 52

Turn the program selector to the
"Program mode" position.
Press the to highlight programming option
e
"Descaling" with an asterisk.
Press ENTER to confirm this option.
The following will appear in the display window:
Place a large container (approximately 1.5 liter)
under the hot water spout.
Place a large container (approximately 1 liter)
under the steam spout and turn the steam control
selector counterclockwise.
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