Water hardness Water hardness setting°dH °TH mmol/l Clarke manually electronically51 - 70 91 - 125 9,1 - 12,5 64 - 88 2 1043 - 50 76 - 90 7,6 - 9,0 53 - 63 2 937 - 42 65 - 75 6,5 - 7,5 46 - 52 2 829 - 36 51 - 64 5,1 - 6,4 36 - 45 2 723 - 28 40 - 50 4,0 - 5,0 28 - 35 2 619 - 22 33 - 39 3,3 - 3,9 23 - 27 2 515 - 18 26 - 32 2,6 - 3,2 18 - 22 1 411 - 14 19 - 25 1,9 - 2,5 13 - 17 1 34 - 10 7 - 18 0,7 - 1,8 5 - 12 1 2< 4 < 7 < 0,7 < 5 1 1) 1 1)1) No use of salt required.You must set the water softener manually and elec-tronically.Manual adjustmentThe appliance is set at the factory at position 2.1 2Set switch to position 1 or2.Electronic adjustmentThe water softener is set at the factory at level 5.1. Press and hold the start/cancel button. Turn the pro-gramme knob clockwise until the programme markeragrees with the first washing programme on the con-trol panel.2. Release the start/cancel button when the on/off indi-cator light and the start/cancel indicator light start toflash.– At the same time, the end-of-programme indicatorlight flashes to show the level of the water softener.Example:5 flashes, pause, 5 flashes, pause, etc. = level 53. Press the start/cancel button one time to increase thewater softener level by one step.The end-of-programme indicator light shows the newlevel.4. Turn the programme knob to the off position to savethe operation.Use of dishwasher saltCaution! Only use dishwashers salt. Types of saltthat are not applicable for dishwashers causedamage to the water softener.6