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634 - USE 91477A663/E
1. After entering the setting menu, press the
button until the show room function is
selected.
2. Turn the temperature knob to activate the
showroom function.
3. Press the button to go to the next
setting or press the button to confirm.
Water hardness
1. After entering the settings menu, turn the
temperature knob until the Water hardness
function is selected.
2. Turn the temperature knob to set the water
hardness (values from 1 to 5) (e.g. "1").
3. Press the button to go to the next
setting or press the button to confirm.
Depending on the degree of water hardness
(°dH or °dF), the number of hours after which
The activated showroom is indicated on
the display by the indicator light on.
To use the appliance normally, set this
function to OFF.
This mode allows you to set the water
hardness value in order to optimise the
descaling process.
The appliance is factory set for water of
medium hardness (3).
If your mains water supply is too hard,
we recommend using a water softener.
Request information on the hardness of
your water from your local water board.
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