31
Unit component
What to clean and how to clean
Coarse dust filters (Quattro filters)
• Clean the coarse dust filters (Quattro filters) on the inner
side with a vacuum cleaner (lowest power step).
Note: As soon as the filter replacing message appears
in the display (see error messages in chapter 7) replace
coarse dust filters (Quattro filters) together with the
evaporator mat evaporator mat.
CAUTION!
Make sure the filters do not get wet. Wet filters
must be dry before reinstalling.
Water filter
(PH28A only)
• Unmount and check water filter. If necessary clean water
filter with a brush, then rinse filter well with tap water.
Remount water filter.
Level switch
Safety switch
Silver ionisation electrodes
• Carefully wipe the level switch , the safety switch and
the silver ionisation electrodes with a damp cloth.