warning Keurig

Error Code Descale Light

The brewer requires descaling to remove calcium deposits and scale buildup.

? What Causes This

Calcium deposits or scale have accumulated inside the brewer over time from regular use.

How to Fix It

  1. Follow the Descaling Procedure as outlined in the manual.
  2. Use Keurig® Descaling Solution and fresh water.
  3. Complete all descale mode cycles and fresh water rinse cycles.
  4. The descale light will turn off when the procedure is complete.

Source: page 6 of the official manual

From the manual

Manual page 6 — Keurig error Descale Light

This error code appears in:

Keurig Descale Duo Coffee Maker