Older:Condensation inside the machineThe water level reading is offMachine boot-up troubleshooting steps (error_bootfill)GHC ghost tap issue / only one function and stop button workSteam wand ball joint nut leakage
Newer:Higher extraction flow rates without channeling?Effects of a puck screen on extractionWhich puck preparation technique is best?Effects of using frozen beans on coffeeWhat spraying your puck does to coffee