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Keurig Coffeemaker Error Codes

All Keurig coffeemaker error codes with step-by-step troubleshooting, multimeter specs, and OEM part numbers.

10 error codes

CodeMeaning
ADD-WATER'Add Water' on a Keurig with a full water reservoir means the water level sensor is not detecting the water. The reservoir may not be seated properly or the sensor has a malfunction.
lowbeginner
DESCALE-LIGHTThe Keurig descale light staying on after descaling means the reset sequence was not completed. Each Keurig model has a specific button combination to clear the descale indicator after the descaling process is finished.
lowbeginner
ERROR-2Error 2 on Keurig K-Supreme, K-Supreme Plus, and K-Cafe Smart models means the water flow sensor detected insufficient water passing through the brew system. Water is either blocked or flowing too slowly.
lowbeginner
HUBComplete guide to Keurig coffee maker error codes and messages across K-Supreme, K-Elite, K-Cafe, K-Mini, and 2.0 models. Keurig uses numeric codes, text messages, and descale lights to communicate faults.
lowbeginner
LEAKINGKeurig Leaking Water From Bottom, Top, or Into Cup Holder
mediumintermediate
NOT-BREWINGPump, Needle, Scale, and K-Cup Problems
mediumintermediate
NOT-HOTHeating Element, Descale, and Cup Size Fix
mediumintermediate
PRIME'Prime' on a Keurig means the internal pump cannot pull water from the reservoir into the brew system. The pump is trying to draw water but not getting it.
lowbeginner
SHORT-CUPScale Buildup and Needle Clog Fixes
mediumintermediate
WONT-TURN-ONPower Supply, Thermal Cutoff, and Reset Fix
mediumintermediate