Struggling with weak shots? Learn how to troubleshoot your Barista Express pressure gauge today.
Coarse grinds lack resistance, preventing the pump from building the required 9 bars of pressure.
A clogged solenoid valve can bleed pressure back into the tray instead of the portafilter.
Air locks, spring fatigue, or thermal cut-outs often cause your pump to lose its power.
If pressure rises during backflushing but fails with coffee, your grind is likely causing channeling.
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