en Water softening system24Water hardness°EHardness range mmol/l Setting value9 - 10 Soft 1.2 - 1.4 H0111 - 12 Medium 1.5 - 1.8 H0213 - 15 Medium 1.9 - 2.1 H0316 - 20 Medium 2.2 - 2.9 H0421 - 26 Hard 3.0 - 3.7 H0527 - 38 Hard 3.8 - 5.4 H0639 - 62 Hard 5.5 - 8.9 H07Note: Set the water hardness determ-ined on your appliance.→ "Setting the water softening sys-tem", Page 24With a water hardness of 0 - 8 °Eyou can dispense with special salt fordishwashers and switch off the watersoftening system.→ "Switching off the water softeningsystem", Page 2510.2 Setting the water soften-ing systemSet the water hardness on your appli-ance.1. Determine the water hardness andthe appropriate setting value.→ "Overview of water hardness set-tings", Page 232. Press .3. To open the basic settings, pressfor 3 seconds.a The display shows Hxx.a The display shows .4. Press repeatedly until theright water hardness has been set.The value H04 is set at the factory.5. To save the settings, pressfor 3 seconds.10.3 Special saltYou can use special salt to softenwater.Adding special saltIf the special salt refill indicator lightsup, add special salt to the dispenserfor special salt just before the pro-gramme starts. The consumption ofspecial salt depends on the waterhardness. The higher the water hard-ness, the greater the consumption ofspecial salt.ATTENTION!Detergent may damage the watersoftening system.▶ Only fill the dispenser of the watersoftening system with special dish-washer salt.Special salt for dishwashers candamage the tub due to corrosion.▶ To make sure that any special saltthat escapes is washed out of thetub, add the special salt to the dis-penser for special salt immediatelybefore the programme starts.1. Unscrew the lid of the dispenserfor special salt and remove.2. On initial start-up: Fill the dispenserright up with water.