Expert technician reveals why your premium espresso machine is failing to pull perfect shots.
Pressure loss typically stems from a failed vibration pump, blocked solenoid valves, or leaking boiler O-rings.
Calcium buildup or heat-warped plastic housings often cause solenoid plungers to stick, blocking vital water flow.
A clicking sound without water flow usually indicates a stuck solenoid plunger rather than a failed pump.
Hardened PTFE tubing can create microscopic pinhole leaks that evaporate instantly, causing pressure to drop mid-shot.
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