Fill the water tank with fresh water to the MAX level indication.
The brew group is not in the machine. Insert the group.
The bean hopper is empty.
Close the service door.
Remove the coffee grounds container and empty it.
There is too much powder in the brew group. Clean the brew group.
You forgot to place the lid on the coffee bean hopper. If you do not place it back within 30 seconds the display will return to the main menu and the brewing cycle will be stopped.
If an error code is triggered, check the section 'Meaning of error codes' to see what the code on the display means and what you can do. The machine cannot be used when this icon is on the display.