Operating instructions
64
11 Function settings
11.1 Water hardness
Use the test strip provided to determine the water hardness in your area. Comply
with the instructions on the test strip package. The appliance is factory-adjusted
to water hardness 4. If you have inserted the Melitta
®
Claris
®
water lter, water
hardness 1 is set automatically (see page 57)
Prerequisite: The appliance must be ready for operation (see „Switching on
and off“ on page 56).
To maintain appliance quality, please adjust the water hardness as follows:
• Simultaneously press the button for coffee dispensing and the
button for coffee strength
for more than 2 seconds.
→ The standby symbol is ashing rapidly.
• Press the button for coffee dispensing once to call up the menu
for adjusting the water hardness.
→ The symbol for the water lter is illuminated.
• Press the button for coffee strength several times to select among
the four possible degrees of water hardness.
→ Your water hardness selection according to the table is shown with the bean
symbols
on the display.
Water hardness
range
Properties °dH °f
1:
soft 0 - 7.2 °dH 0 - 13 °f
2:
Medium 7.2 - 14 °dH 13 - 25 °f
3:
hard 14 - 21.2 °dH 25 - 38 °f
4:
ashing
very hard
(factory setting)
> 21.2 °dH > 38 °f
Heft_SoloperfectMilk_EU.indd 64 13.12.2012 12:43:50