Espresso machine no water or not brewing?
A failed vibration pump cannot generate the pressure needed to push water through the group head and puck.
Likely causes · most likely first-
Vibration Pump (ULKA EP5)
Moderate DIY Part: $25–$55 -
3-Way Solenoid Valve
Moderate DIY Part: $20–$50A stuck-closed solenoid valve blocks the water path from the pump to the group head, preventing any flow during brewing.
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Group Head
Moderate DIY Part: $30–$80A severely scaled or blocked group head passage prevents water from reaching the portafilter regardless of pump operation.
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Water Tank (1.5L)
Easy DIY Part: $25–$50An empty, misseated, or cracked water tank fails to deliver water to the pump inlet, starving the system.
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Shower Screen
Easy DIY Part: $8–$20A completely blocked shower screen prevents water from dispersing into the puck, effectively stopping extraction flow.
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