Thanks everybody for your responses The conclusion is that your are, almost, all drying the basket between shots. I only make consecutive shots at the weekend and, to save time, I just shake the basket after rising. I never questioned it with other previous machines either @mdmvrockford seems to have tested the benefits of doing so. I

Check the manual. Those lights blinking are telling you an error code

What's a brill?

Brill

.When I bought my Pompei I did some measurements pulling shot after shot.Stable as a rock.Which of course is what you would expect as it is a true commercial machine

Must be the temperature stability of the Evo then

Wow!!! That's quite a view from up there.At what floor are you located?

There is no taste difference between 54 and 58. Beans differ in taste.Then you have of course the type of roast .From dark to light and everything in between. In a machine I rate temperature as the main facor that makes a difference in tbe cup followed by spring pressure. A machine is a machine.All of the ones I' ve

I'm getting the best espresso I've ever made from my acs Evo 54mm group I've had quite a few machines, 58mm, vibe pump, rotary pump, hx, spring, the same grinder with all of them

I use Aeropress filters on the bottom to filter out cafestol and kahweol, which increase LDL cholesterol in your body, which is potentially bad for the heart. On the other hand, I think filtered coffee reduces also coffee's anti-cancer potential... I seem to recall having to grind more finely grind when I started using the filters. You also lose the