Clean the inside of the appliance thoroughly

Possible cause:
The inside of the appliance is very dirty.

If the message is still displayed after cleaning, contact a service centre.

The following parts of the machine must be cleaned regularly:

• coffee grounds container (A13),

• drip tray (A12),

• water tank (A18),

• coffee spouts (A8),

• pre-ground coffee funnel (A2),

• infuser (A17), accessible after opening the service door (A16),

• touch screen (B)

• milk container