Gaggia Grinder Mechanical Damage

Grinder is extremely loud or makes screeching noises

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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

Foreign object (stone, metal) in grinder, Severely worn or misaligned burrs, Loose grinder mounting screws, Damaged grinder motor bearings

How to Fix / Troubleshooting

Safety first: Unplug the machine immediately to prevent further damage.

Inspection:

  • Empty hopper: Remove all beans and vacuum out loose grounds.
  • Check for foreign objects: Inspect the grinder inlet and burr area for stones or hard objects and remove them.
  • Inspect burrs and mounts: Remove the top burr carrier and check for cracks, chips, or misalignment. Tighten any loose screws.

If the noise persists after cleaning and inspection, the grinder motor or bearings may be damaged. Replace the complete grinder assembly or have a technician do so.

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Repair Difficulty

Medium 3/5

Required Part

Grinder Assembly
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