Philips HD7740/00 User Manual page 16

EnglisH
16
Problem Possible solution
Make sure that the hotplate and the bottom of the jug are clean.
Use thin cups, because they absorb less heat from the coffee than thick
cups.
Do not use milk that comes directly out of the fridge.
Descale the appliance. See section 'Descaling' in chapter 'Cleaning and
maintenance'.