grinder-jam Troubleshooting

Grinder jam / not grinding on the WMF Gourmet Eisportionierer 18 cm

Source: Reddit r/espresso — coffee machine troubleshooting Confidence: 60% Verified Aug 9, 2026

The built-in grinder jams or stops, often from oily beans or a blocked chute.

How to fix Grinder jam / not grinding

Clear the grinder

Empty the bean hopper, remove any stuck beans, and run the grinder empty to clear the burrs.

Source: Reddit r/espresso — coffee machine troubleshooting Confidence: 60% Verified Aug 9, 2026
Difficulty: ★★ Est. 10 min

Replace the burrs

If the burrs are worn, replace them with genuine grinder burrs.

Source: Reddit r/espresso — coffee machine troubleshooting Confidence: 60% Verified Aug 9, 2026
Difficulty: ★★★ Est. 30 min

Parts needed: WMF Gourmet Eisportionierer 18 cm Grinder Burrs

Replacement parts for the WMF Gourmet Eisportionierer 18 cm

WMF Gourmet Eisportionierer 18 cm Water Filter WMF Gourmet Eisportionierer 18 cm Descaling Solution WMF Gourmet Eisportionierer 18 cm Group Head Gasket WMF Gourmet Eisportionierer 18 cm Portafilter WMF Gourmet Eisportionierer 18 cm Filter Basket WMF Gourmet Eisportionierer 18 cm Steam Wand Tip WMF Gourmet Eisportionierer 18 cm Grinder Burrs WMF Gourmet Eisportionierer 18 cm Cleaning Tablets

← All WMF Gourmet Eisportionierer 18 cm error codes

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