Saeco Internal Bypass / Overpressure Valve Dumping

Water collects excessively in the drip tray after each coffee; little coffee reaches the cup.

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Safety Warning

This repair may involve working with high voltage components or water connections. Always unplug the appliance before removing any panels.

If you are not confident in your ability to perform this repair safely, we strongly recommend contacting a professional technician.

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Possible Causes

Clogged coffee spouts, Blocked brew group, Faulty overpressure valve stuck open, Worn brew group seals causing bypass

How to Fix / Troubleshooting

Safety first: Allow the machine to cool before removing the brew group or drip tray.

Step-by-step checks:

  • Clean coffee spouts and brew group: Clear the spouts with a pin and clean the brew group thoroughly.
  • Descale: Run a descaling cycle to clear internal restrictions that may cause overpressure.
  • Monitor drip tray: After cleaning, brew a coffee and compare the amount in the cup versus the drip tray. Some water in the tray is normal, but large volumes are not.

When to call a technician: If most water still goes to the drip tray, the overpressure valve or internal seals may need replacement by a technician.

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Repair Difficulty

Medium 3/5

Required Part

Overpressure Valve
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