Siemens Grinder Slipping / Burr Wear

Grinder runs but produces very little or no ground coffee; beans remain in hopper.

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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 ceramic burrs, Broken grinder drive coupling, Excessive oil buildup on burrs, Incorrect grind adjustment mechanism position

How to Fix / Troubleshooting

Safety first: Unplug the machine before accessing the grinder. Do not touch burrs while connected to power.

Step-by-step:

  • 1. Empty hopper: Remove beans and vacuum out loose grounds.
  • 2. Adjust grind: Move the grind selector through its range while the grinder is running (per manual) to free a stuck adjustment ring.
  • 3. Clean burrs (advanced): If accessible, remove the top burr carrier and brush off compacted coffee and oils. Do not use water unless Siemens specifies it.
  • 4. Test with fresh beans: Use dry, medium-roast beans and test grinding again.
  • 5. Professional repair: If grinding remains ineffective, the burrs or drive coupling may need replacement by Siemens service.
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Repair Difficulty

Hard 4/5

Required Part

Ceramic Burr Set
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