Keurig K-Supreme Plus — Error codes & fixes
Troubleshooting guide for the Keurig K-Supreme Plus. Diagnose an error code and find the fix.
Grinder jam / not grinding
grinder-jamThe built-in grinder jams or stops, often from oily beans or a blocked chute.
Source: ProductDB enrichment catalog
Confidence: 85%
Verified Aug 8, 2026
Low pressure / watery espresso
pressureThe espresso is watery with little crema, often from a clogged portafilter or stale grounds.
Source: ProductDB enrichment catalog
Confidence: 85%
Verified Aug 8, 2026
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