Close-up
Drag to turn · scroll to zoom
Weak shots, water back in the tank
Weak shots, and water heard in the tank
Weak shots with water heard returning to the tank point to the over-pressure valve opening early, or a worn spring in it (owner report, Home-Barista), or a weak pump. Checking it needs a gauge on a blind basket, and adjusting it is technician work, says Rancilio.