Miele PG 8063 Operating Instructions Manual page 82

Further settings
DOS venting
82
The dispensing system for liquid chemical agents can only dispense
reliably if the system has been purged of air.
The DOS system must only be vented:
- if the dispensing system is being used for the first time,
- if the liquid cleaning agent container has been replaced,
- if the dispensing system has been sucked completely dry.
Before venting, ensure that the liquid chemical agent container is suf-
ficiently full and the siphons are securely screwed to the containers.
Only one DOS system can be vented at a time.
...
Dispensing system

DOS_

DOS venting

Automatic venting will start when the dispensing system is selected.
Once started, the automatic venting process can no longer be can-
celled.
Select a dispensing system using the  and  arrow buttons.

Press OK to start the venting process.

Automatic venting is successfully completed when the following mes-
sage appears in the display:
DOS venting
DOS
Dispensing system DOS
successfully vented