Miele CVA 6805 Operating And Installation Instructions page 20

Operation
The following symbols can appear in addition to the text and the drinks symbols:
P P P P G G GM
:
0
+
8
F
20
Settings, e.g. the brightness of the display or the volume of
the buzzer and keypad tones, are selected via a bar chart.
This indicates information and instructions about operating
the coffee machine.
Confirm the messages with "OK".
The system lock is active (see "Settings - Locking the coffee
machine (System lock 0)").: The coffee machine cannot be
operated.
The timer is activated for "Switch on at" (see "Settings –
Timer").
The symbol and the desired switching-on time appear in the
display 23:59 hours before the coffee machine is due to
switch on, as long as "On" or "Night dimming" is selected for
the time display.
This symbol appears while the milk pipework is being
cleaned.
(The symbol is also on the water container: fill the water
container up to this symbol).
This symbol appears while the descaling process is being
carried out.
(The symbol is also on the water container: fill the water
container up to this symbol).