Miele CVA 615 Operating Instructions Manual page 45

The message window will read:
^ Place a 1 liter container below the hot
water dispenser.
^ Place a 1 liter container below the
steam nozzle and turn the steam
selector counterclockwise.
The coffee system will begin the
automatic descaling. The display will
read:
Do not open the door during
descaling and do not turn the
program selector to "0ff". This will
interrupt the descaling process. If
the process is interrupted, add water
to the reservoir, turn the program
selector back to "Program mode"
and close the door. Also, empty the
containers under the dispensers and
steam nozzle as more water will be
expelled.
The pump will introduce a small amount
of descaling solution into the system,
then rest briefly to allow the solution to
take effect. The process lasts about
30 minutes.
Throughout the process, check the
collecting containers to make sure that
they do not overflow.
When descaling is complete, the
display will read:
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