
To modify the water hardness setting on your HEINNER HDW-BI6006IE++ dishwasher, adhere to these steps, as outlined in the user manual: First, press and hold the program button. While still holding the program button, power on the appliance. Keep the program button depressed until "SL" vanishes from the display. The machine will then present its current setting. To adjust the level, repeatedly press the program button until your desired setting is displayed. Finally, turn off the dishwasher to save your selected water hardness setting. Correctly setting the water hardness is crucial for achieving the best cleaning results with your HEINNER dishwasher. Ensure you configure this setting to match the water hardness level specific to your local area for optimal dishwashing performance.


