Miele PW 6080 Vario Operating And Installation Instructions page 36

Detergent
36
If a Disinfection programme is running, the following
message is displayed:
Fault
O
Container empty
OK
H
The programme will be cancelled.
^ Press short cut button D to delete the message in the
display, and refill the container.
^ Start the programme again.
,
If the container is empty for a disinfection programme,
you have to assume that no disinfection has taken place.
Start the programme again.