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Use
74
Water hardness
This mode allows you to set the water
hardness level in order to optimise the
descaling process.
1. Press the or symbol and select
water hardness from the “settings” menu.
2. Use the and symbols to set the
water hardness.
3. Press the symbol to confirm.
Depending on the water hardness value
that has been set, after the steam function
has been used for a certain number of
hours, the display will prompt you to carry
out the descaling procedure (see
“Removing rack/tray support frames”).
According to the use of the appliance, the
approximate number of hours is as follows:
The appliance is factory preset for
a medium water hardness index (3).
If the mains water is too hard, it is
recommended
that softened water be used.
Ask you water company for
information regarding the water
hardness.
Water hardness
value
°dH °dF Hours
1 0 - 11 0 - 20 35 - 40
2 12 - 17 21 - 30 25 - 30
3 18 - 24 31 - 42 15 - 20
4 25 - 30 43 - 53 12 - 15
5 31 - 50 54 - 90 8 - 10
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