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
No carbonation / CO2 empty
carbonationThe soda maker produces flat water, often because the CO2 cylinder is empty or not seated.
Source: SodaStream support — carbonation troubleshooting
Confidence: 80%
Verified Aug 9, 2026
Blender not spinning
blender-not-spinningThe blender motor runs but the blades do not spin, often due to a jam or a loose blade assembly.
Source: Ninja support — blender & air fryer troubleshooting
Confidence: 80%
Verified Aug 9, 2026
Descale required
descaleThe machine prompts that descaling is needed, reducing flow and affecting espresso quality.
Source: De'Longhi support — descaling & maintenance
Confidence: 90%
Verified Aug 9, 2026
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