Sensors and messages
Keurig Add Water Light Is On When the Reservoir Is Full
The brewer reports low or no water even with a filled reservoir.
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15 diagnostic guides4 model groups
Keurig coffee maker troubleshooting
Choose the brewer family before checking water delivery, short cups, descale reminders or a problem with one side of a K-Duo.
Match the model. Then match the symptom.
- Read the full model number on the machine label.
- Choose the closest model group below.
- Open a guide for what you can see, hear or measure.
- Follow the guide's safety limits before running a test.
Water flow and pump
Keurig Brewing Slowly: Needle or Scale Diagnostic
The brew takes much longer than usual and may sputter or deliver less coffee.
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Taste and brew strength
Keurig Coffee Tastes Watery: Cup Size, Pod, or Flow
The finished coffee is pale, weak, or noticeably thinner than before.
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Cleaning and descaling
Keurig Descale Light Will Not Turn Off After Descaling
The DESCALE indicator remains illuminated after solution and rinse cycles.
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Overflow and grounds
Keurig Grounds in Cup: Pod, Needle, and Pressure Checks
Coffee grounds or sediment appear in the finished cup.
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Leaks and drainage
Keurig Leaking From the Bottom: Find When the Leak Starts
Water collects below the brewer from an unknown source.
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Water flow and pump
Keurig Makes Noise but No Water Comes Out
The pump buzzes or rattles, but the brewer produces no water.
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Water flow and pump
Keurig Needle Clogged: Diagnose Entrance vs Exit Needle
Flow is slow, grounds collect in the holder, or the brewer stops with a pod installed.
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Power and control
Keurig Powers Off on Its Own: Auto-Off or Overheating?
The brewer shuts down unexpectedly between or during brews.
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Brew cycle and volume
Keurig Starts Brewing Then Stops: Measure the Missing Volume
The pump starts but the brew ends early or delivers only part of the selected cup.
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Power and control
Keurig Will Not Turn On After Descaling
The brewer became unresponsive during or shortly after a descale cycle.
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Brew cycle and volume
Keurig K-Duo Carafe Side Not Brewing
The full-carafe side does not start, stops early, or leaves water in the reservoir.
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Water flow and pump
Keurig K-Duo Single-Serve Side Not Brewing
The pod side fails while the carafe side still works.
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Brew cycle and volume
Keurig K-Mini Will Not Brew: Lid, Water, and Needle Checks
The K-Mini powers on but will not begin or complete a brew.
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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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