User's Manual
EN
39
Cleaning and maintenance
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8.3  Cleaning the control knobs
12
3
Fig. 8.7  Pull out the knob ring
[1]  Knob casing
[2]  Touch surface
[3]  knob ring
 Make sure that the cooktop extractor is switched off 
(see the Operation section).
8.3.1  Cleaning the knob ring
The knob ring can only be cleaned by hand.
 Remove the knob ring from the knob housing.
 Use a cleaner and degreaser in one.
 Rinse the knob ring in hot water.
 Clean the knob ring with a soft brush.
 Rinse the knob ring well after cleaning.
 Dry the knob ring carefully.
 Place the dry knob ring back on the knob housing.
 Make sure it is positioned correctly (0 position).
 If necessary, twist the knob ring to the 12 o’clock 
position (= 0 position).
8.3.2  Cleaning the touch surface and the 
knob housing
 Pull off the knob ring.
 Clean the touch surface and the knob housing with a 
soft, damp cloth.
 Dry the touch surface and the knob housing carefully.
 Place the knob ring back on the knob housing. 
INFO  If the knob ring has not been fitted correctly, a 
segment rotating clockwise is displayed in the 
central control knob display 
8.2.5  Fitting the maintenance tray
Fig. 8.6  Fitting the maintenance tray
 Push the maintenance tray into the cooktop extractor.
 Twist the two locking levers [2] downwards to lock the 
maintenance tray [1] in place.
8.2.6  Cleaning of the components
The cover flap, grease filter, filter tray and maintenance 
tray can be cleaned manually or in a dishwasher.
Manual cleaning
 Use a cleaner and degreaser in one.
 Rinse the components in hot water.
 Clean the components with a soft brush.
 Rinse the components well after cleaning.
Cleaning in the dishwasher
 If cleaning in the dishwasher, the temperature should 
not exceed 65 °C.
The grease filter absorbs the greasy particles from 
cooking vapours.
If you can no longer get the grease filter properly 
clean, it needs to be replaced.
8.2.7  Finish cleaning the cooktop extractor
 Twist the knob ring to the 12 o’clock position.
This exits cleaning mode and the cover flap closes. 










