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Decalcifying - WMF BUENO Gebruiksaanwijzing

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Automatic shut-off
After the brewing process, an automatic shut-off function stops the
unit from overheating. The unit only shuts off when the water has
completely run through.
The unit can be shut off early by pressing the ON/OFF key
may be necessary if you have accidentally turned it on without adding
water. It is vital to let the coffeemaker cool for a few minutes before
adding water to the hot unit.
Cleaning
Disconnect the power plug and leave the appliance to cool down.
Never immerse the appliance in water; simply wipe the exterior using a
damp cloth with a drop of washing-up.
Do not use harsh or abrasive cleaning agents.
Clean the filter and thermo pot under running water.

Decalcifying

Limescale and calcium deposits result in a loss of energy and impair
the service life of the appliance. The appliance will switch off prema-
turely if the deposit is too excessive. It is then very difficult to remove
the deposit. We therefore recommend you to decalcify the appliance
regularly, but at the latest when the brewing time increases signifi-
cantly or there is more noise during the brewing process.
The following values are offered for guidance and are based on daily
use in a household.
Hardness range
Hardness
1 soft
0 - 7° dH
2 medium
>7- 14° dH
3 hard
>14 - 21° dH
4 very hard
>21° dH
1° dH corresponds to approximately 0.18 mmol/l Ca and Mg ions
You can ask the responsible waterworks or community administra-
tion about how hard the water is in the region where you live. We
recommend using durgol® universal. It is highly effective and gentle
on material with no additional acting time.
You can find it where you purchased the unit, in select specialist
trade, or order it directly from wmf consumer electric.
To remove lime, place a paper filter in the unit and set the pitcher into
the unit. Pour 1-2 cups of durgol® universal into the water tank and
fill up with tap water to the 7-cup mark. Press the Start/Stop key
to remove lime.
Then rinse by running through a full tank of tap water.
Absolutely do not use vinegar or vinegar essence, since this may
damage materials in the unit.
. This
Decalcification
every 6 months
every 3 months
every 6 weeks
every 4 weeks
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