The brew unit drive was not in the home position when the brew unit was removed.
CM5, CM6, CM7:
Prerequisites:
The coffee machine is switched on.
The side door on the coffee machine is closed.
The drip tray and grounds container have been inserted into the coffee machine.
Switch the coffee machine off.
Switch the coffee machine on again.
The brew unit drive is initialized automatically.
Slide the brew unit into the coffee machine.
CM 6x60, CVA 7xxx:
Please contact Miele Customer Service.
Please book a repair appointment online.