Operation Manual
Care and maintenance
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ENGLISH
Determine the water hardness with the enclosed test strip. Observe the
instructions on the test strip packaging and in Table Water hardness range
on page47.
Requirement: The ready symbol appears on the display.
1. Press the "menu/ok" button for longer than 2 seconds.
» The menu appears on the display.
2. Navigate to the Water hardness menu using the arrow buttons.
3. Use the arrow buttons to select the water hardness range and conrm
with "menu/ok".
4. Exit the menu with the Exit command.
» The ready symbol appears on the display.
9.9 Using a water lter
The use of a water lter extends the service life of the appliance and the
appliance has to be descaled less frequently. The water lter contained in
the scope of delivery lters calcium and other pollutants out of the water.
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Fig. 22: Screwing/Unscrewing the water lter