Gorenje Bypass Valve / Brew Group Seal Failure

No coffee comes out, but water flows directly into the drip tray during brewing.

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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

Worn brew group O-rings, Stuck bypass valve diverting water to tray, Misaligned brew group, Cracked brew chamber

How to Fix / Troubleshooting

Safety first: Unplug the machine before removing the brew group.

Fixing bypass issues:

  • Remove and clean brew group: Rinse thoroughly and inspect for cracks or broken parts.
  • Replace seals: Install new O-rings on the brew piston and outlet spout using food-grade silicone grease.
  • Check bypass valve: Locate the valve that directs water either to the brew group or drip tray. Clean it of scale and ensure the spring and plunger move freely.
  • Reinstall correctly: Ensure the brew group is fully seated and locked in place before testing.
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Repair Difficulty

Medium 3/5

Required Part

Brew Group O-Ring Set
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