Miele DA250-4 Operating And Installation Instructions page 18

Cleaning and care
Cleaning the grease filter
^ By hand: use a scrub brush with a
solution of warm water and mild
detergent.
Do not use the pure detergent,
aggressive all purpose cleaners,
oven sprays, abrasive cleaning
agents or limescale removers. They
could destroy the filter.
^ In a dishwasher: place the filter
vertically in the lower basket, making
sure that the spray arm is not
blocked.
Use a hot temperature program,
e.g. "Heavy Soil" or "Pots and pans".
Use the recommended amount of
dishwasher detergent. Overuse could
destroy the filter.
Depending on the detergent,
cleaning the grease filter in a
dishwasher may cause permanent
discoloration of the filter surface.
Performance of the filter will not be
affected by this discoloration.
^ After cleaning, the filter can be
placed on a towel to air dry.
^ While the filter is removed, clean any
dirt or grease from the interior casing
to prevent the risk of fire.
^ When putting the grease filter back
make sure that the locking clip is
facing the cooking surface.
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^ If the filter is incorrectly installed,
insert a small screwdriver into the slit
along its edge to disengage it from
the casing.
^ After returning the grease filter, press
the grease filter button for 3 seconds
to reset the timer.
The indicator light will go out.
^ If the grease filter is cleaned before
the grease filter timer has reached its
maximum, the grease filter button
should be pressed for 6 seconds to
reset the counter to zero.