4Setting 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:
ab 1 min.
Remove the test strip |
Turn on the tap and |
from the packet. |
let the water run for |
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about a minute. |
cd
1 Second
Hold the test strip in |
Remove the test strip |
the water for about a |
from the water and |
second. |
shake it. |
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1 Minute |
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Wait for 1 minute. |
The test strip shows |
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you the hardness |
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level. |
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 programme selection button down for 3 seconds until the start/stop indicator light 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).
5.Once you have set the hardness level press the start/pause button to save the value. The start/stop indicator light now lights up permanently.
6.Switch the appliance off again using the On/Off switch.
Hardness Level
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Hardness Level |
British |
German |
French |
Hardness Level Displayed |
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hardn. |
hardn. |
hardn. |
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°dE |
°dH |
°dF |
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1 |
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0-6 |
0-5 |
0-9 |
1st programme indicator lights |
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2 |
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7-14 |
6-11 |
10-20 |
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3 |
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15-21 |
12-17 |
21-30 |
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4 |
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22-28 |
18-22 |
31-40 |
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29-42 |
23-34 |
41-60 |
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43-56 |
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°dH: German hardness level |
1 °dH = 1 mg CaO/100 ml Water = 0.179 mmol |
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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.
6
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