Water softener
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Water hardness
In order to achieve good cleaning results, the machine needs to oper-
ate with soft water. Hard water results in the build-up of calcium de-
posits on the load and in the machine.
Mains water with a water hardness of 4gr/gal (4°dH) must be soft-
ened. This occurs automatically in the built-in water softener.
The water softener must be set to the exact hardness of the mains
water (see “Water softener/Setting the water hardness”).
Your local water authority can give you information about the exact
water hardness in your area.
It is useful to know your water hardness so that you can provide the
service technician with this information in the event of any subse-
quent service calls. For this reason, record the hardness of the
mains water here:
________________________gr/gal or °dH
The water softener must be reactivated at regular intervals. This re-
quires special reactivation salt (see “Water softener/Filling the salt
reservoir”). Reactivation is carried out automatically during a program
sequence.
If the hardness level of your water is constantly less than 4 gr/gal
(=4 °dH), salt is not required for the water softener. The water
hardness level must, however, still be set.
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