-Keep your station clean.

-Do not leave the portafilters detached from the espresso machine. 

-Always keep them locked on the espresso machine.

- Do not knock on the portafilter after you tamped – it will break the compressed coffee pack and create an uneven extraction which will lead to a bad tasting coffee.

-When grinding - if the button is blinking it means that the whole round of coffee grounds is not fulfilled.

-1. Place the portafilter back to grind the rest

.2. or press the button to reset. Next time you make a new coffee it will be a full round.