Miele S 7000 Series Operating Instructions Manual page 13

^ Press the exhaust filter change
indicator ~.
^ After approx. 10 - 15 seconds a thin
red stripe will appear in the left hand
side of the display.
^ Close the exhaust filter compartment
lid.
The exhaust filter change indicator
The exhaust filter change indicator
shows the remaining functional life of
the exhaust filter.
After approx. 50 operating hours, or
approx. one year of average use, the
strip will be completely red.
Preparing for use
13