Determining And Adjusting The Water Hardness - Jura J90 Instructions For Use Manual

Determining and
adjusting the water
hardness
Determining the water
T Place a receptacle under the cappuccino frother.
T Press the
'Filter is being
frother.
E You can interrupt rinsing of the filter at any time by pressing
any button. Press the Rotary Switch k to continue rinsing of
the filter.
E The water may be slightly discoloured. This is not harmful to
health and does not affect the taste.
Rinsing of the filter stops automatically after approximately
500 ml. The JURA heats up and is once more ready for use.
The filter is now activated.
E If you are using the CLARIS Blue filter cartridge and have acti-
vated it in programming mode, you will not be able to adjust
the water hardness.
The harder the water is, the more frequently the JURA needs to be
descaled. It is therefore important to set the water hardness accu-
rately.
The water hardness can be adjusted on a continuous scale between
1 °dH and 30 °dH.
You can find out what the water hardness is by using the Aquadur®
test strip supplied as standard.
hardness
T Hold the test strip briefly (for 1 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.
1 Preparing and using for the first time
'Next' button.
rinsed.', water flows out of the cappuccino
13