Miele G 643 Plus, Operating Instructions Manual

Page: 13 / 64

Water softener
In order to achieve good cleaning re-
sults, the dishwasher needs to operate
with soft water. Hard water results in the
build-up of calcium deposits on crock-
ery and in the dishwasher.
Mains water with a hardness level
higher than 0.7 mmol/l (4° d - German
scale) needs to be softened. This takes
place automatically in the integrated
water softener.
– The water softener must be filled with
dishwasher salt for reactivation.
– The dishwasher must be pro-
grammed to correspond to the water
hardness in your area.
– Your local water authority will be able
to advise you of the water hardness
level in your area.
Where the water hardness fluctuates
e.g. between 1.4 - 3.1 mmol/l (8 - 17 °d
German scale) always programme the
dishwasher to the higher value
(3.1 mmol/l in this example).
In the event of a fault, it will help the
service technician if you know the hard-
ness of your local water supply.
^
Enter the water hardness below:
mmol/l or °d
Programming the water hardness
level
The dishwasher is set at the factory
for a hardness level of
2.5 - 2.9 mmol/l (14 - 16 °d).
If this setting corresponds to the hard-
ness of your water you do not need to
do anything more.
If your water is harder or softer, you will
need to programme the water hardness
level using the buttons on the control
panel. Each time a button is touched
one of the other indicator lights will
flash and light up in the control panel.
However, only the indicator lights men-
tioned in the following programming
process stages are significant.
The programming procedure can be
cancelled at any time by pressing
the "Off" button (
o
). The procedure
can then be re-started from the be-
ginning again.
Before using for the first time
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