Miele CM 6300 Operating Instructions Manual page 62

Problem solving guide
Message
F73
or
"Check the brew
unit"
62
Possible cause and remedy
The brew unit cannot be positioned correctly.
^ Switch the machine off with the On/Off K sensor.
^ Remove and clean the brew unit (see "Cleaning and care –
Brew unit").
^ Push the coffee ejector of the brew unit into the correct
position (see diagram).
^ Do not fit the brew unit. Close the appliance door and
switch the machine on with the On/Off - sensor.
This will initialise the brew unit motor and put it back into the
start position.
^ When "Insert the brew unit" appears in the display, open
the appliance door and put the brew unit back in the
machine.
Then close the door.