Miele Built-in coffee machine Operating And Installation Instructions page 70

Problem solving guide
Problem
Drink preparation
has been
cancelled.
70
Possible cause and remedy
If the water container becomes empty while a drink is being
prepared, the message "Continue preparation? Yes / No" will
appear in the display after the water container has been
refilled and put back in the machine. If you do not confirm
this message with "Yes" within 5 minutes, preparation will be
cancelled.