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4
Setting the water hardness level for the water softener
Softening the water
Dishwashers require fairly soft water. If the hardness exceeds 6°dH lime scale will form on crockery. To avoid
this an automatic system adds a special salt to soften the water so that you obtain the best possible cleaning
and drying performance.
To find out the hardness level of your water contact your local water company, or use the enclosed test strip to
measure the water hardness:
a
b
Remove the test strip
Turn on the tap and
from the packet.
let the water run for
about a minute.
1. Press the Program Selection Button before you switch the appliance on and keep this button
pressed down.
2. Switch the appliance on using the On/Off Switch, then release the switch.
3. Hold the Program Selection Button down for 10 seconds until the Control Indicator on the
Start/Pause Button begins to flash.
4. Water hardness can be set to the desired level by pressing the Program Selection Button
(Compare the test strip with the Degrees of Hardness Table). The Multi-Function Display shows
the appropriate message.
5. Once you have set the hardness level press the Start/Pause Button to save the value. The
Control Indicator on the Start/Pause Button now lights up permanently.
Hardness Level
British
Hardness Level
hardn.
°dE
1
0-6
2
7-14
3
15-21
4
22-28
5
29-42
6
43-56
°dH: German hardness level
Switch the appliance off again using the On/Off switch.
If the water hardness level is less than 5°dH you do not need any special softening salt. In this case the 'Salt' Control
Indicator lights up continually (depending on the model).
If your local hardness level exceeds 45°dH you should consider getting a water softening device for your dishwasher.
If you use stream water or rainwater you are recommended to install filters.
If you move do not forget to adjust the water hardness level to suit your new neighbourhood.
c
1 min.
1 Second
Hold the test strip in
the water for about a
second.
German
French
hardn.
hardn.
Indicator in the Multi-Function Display
°dH
°dF
The display shows the message:
0-5
0-9
The display shows the message:
6-11
10-20
12-17
21-30
The display shows the message:
The display shows the message:
18-22
31-40
The display shows the message:
23-34
41-60
The display shows the message:
35-45
61-80
1 °dH = 1 mg CaO/100 ml Water = 0.179 mmol
e
d
Remove the test strip
Wait for 1 minute.
from the water and
shake it.
f
1 Minute
The test strip shows
you the hardness
level.
6
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