Lights and error indicators
Keurig K-Supreme Lights Flashing: Record Which Buttons
Multiple cup-size or control lights flash and brewing is unavailable.
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Keurig / 1 guide
K-Supreme troubleshooting
Match your Keurig model label, then choose the visible symptom. Read the model scope inside each guide before following a sequence.
Start with an observation, not a reset. Record the complete light pattern, message, water flow or noise. Related models can use different maintenance steps.