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10 Water softening sys-
tem
Hard water leaves limescale on the
tableware as well as the washing
tank, and parts of the appliance may
become blocked.
10.1 Overview of water hardness settings
You can find an overview of the water hardness values that can be selected
here.
You can find out how hard your water is from your local water company or by
using a water hardness tester.
Water hardness
°E
0 - 8
9 - 10
11 - 12
13 - 15
16 - 20
21 - 26
27 - 38
39 - 62
Note: Set the water hardness determ-
ined on your appliance.
→ "Setting the water softening sys-
tem", Page 23
With a water hardness of 0 - 8 °E
you can dispense with special salt for
dishwashers and switch off the water
softening system.
→ "Switching off the water softening
system", Page 24
Hardness range
Soft
Soft
Medium
Medium
Medium
Hard
Hard
Hard
Water softening system en
To ensure good dishwashing results,
you can treat the water with special
salt and the water softening system.
To avoid damage to the appliance,
water with a hardness above 9 °E
must be softened.
mmol/l
0 - 1.1
1.2 - 1.4
1.5 - 1.8
1.9 - 2.1
2.2 - 2.9
3.0 - 3.7
3.8 - 5.4
5.5 - 8.9
10.2 Setting the water soften-
ing system
Set the water hardness on your appli-
ance.
Determine the water hardness and
1.
the appropriate setting value.
→ "Overview of water hardness set-
tings", Page 23
Press
.
2.
To open the basic settings, press
3.
for 3 seconds.
a The display shows Hxx.
a The display shows
Press
repeatedly until the
4.
right water hardness has been set.
The value H04 is set at the factory.
Setting value
H00
H01
H02
H03
H04
H05
H06
H07
.
23
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