Miele PG 8591 - Setting Water Hardness Level; Adjusting Water Hardness

Water softener
28
Setting the water hardness level
Water hardness can be set between 0 - 70 gr/gal.
 Open the menu as follows:
Button 
Additional settings
Water hardness
Water hardness
19
(0 - 70
gr/gal
gr/gal)
The bottom line of the display shows the possible input range. Water
hardness input values can be found in the chart on the next page.
Where the water hardness fluctuates, e.g. between 8 - 17 gr/gal,
always program the machine to the higher value, 17 gr/gal in this
example.
 Set the water hardness level using the arrow buttons ( = higher
and  = lower).
 Press OK to save the setting.