DeLonghi La Specialista ARTE EC9255.M Instructions For Use Manual page 15

Lights on control panel
• After 30 seconds of inoperation, the machine automatically
exits from the menu setting and it is ready to use.
Beverage Descale
count count
Between Between
1000 - 3000 10 - 30
Between Between
3000 - 6000 30 - 60
Between Between
6000 - 11000 60 - 110
More than More
11000 than 110
14