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error Mr. Coffee
Error Code Coffeemaker does not brew for the first time (red plug not removed)
Coffeemaker will not brew because the red shipping plug has not been removed.
? What Causes This
The red plug under the water tank was not removed during initial setup.
✓ How to Fix It
Remove the red plug from underneath the water tank by pulling on the tag.
Source: page 21 of the official manual
From the manual
This error code appears in:
Mr. Coffee Machine