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13
1 Preparing and using for the first time
T Place a receptacle (at least 500 ml) under the frother.
E If you are using the Professional Cappuccino Frother, set the
selection lever of the frother to the steam position n.
c T Press the maintenance button.
FILTER RINSING, water flows out of the frother.
E You can interrupt rinsing of the filter at any time by pressing
any button.
E The water may be slightly discoloured. This is not harmful to
health and does not affect the taste.
Filter rinsing stops automatically after approx. 500 ml.
COFFEE READY appears on the display. The filter is now
activated.
The harder the water is, the more frequently the IMPRESSA needs to
be descaled. It is therefore important to adjust the water hardness.
The water hardness can be adjusted on a continuous scale between
1 °dH and 30 °dH. This can also be deactivated, which means that
the IMPRESSA will not let you know when it has to be descaled.
E However, if you are using the CLARIS filter cartridge and have
activated it, you will not be able to adjust the water
hardness.
You can find out what the water hardness is by using the Aquadur®
test strip supplied as standard.
T Hold the test strip briefly (for one second) under flowing
water. Shake off the water.
T Wait for about one minute.
T You will then be able to read the degree of water hardness
from the discolouration of the Aquadur® test strip and the
description on the packaging.
You can now adjust the water hardness.
Example: To change the water hardness from
16°d H to 25°dH,
proceed as follows:
Precondition:
COFFEE READY is displayed.
T Open the cover of the Rotary Switch.
Determining and
adjusting the degree of
water hardness
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