4
Easy Fix
Keurig · Coffee Makers
Generic brew process fault requiring reset and maintenance check.
Quick Answer
Error code 4 on your Keurig Coffee Makers means: Generic brew process fault requiring reset and maintenance check.. This is usually fixable — see the step-by-step guide below.
Affected Models
Likely Causes
How to Fix It
1
Unplug and restart brewer.
2
Clean pod holder and needles.
3
Run cleansing brew cycle.
4
Verify water reservoir seating.
5
Retry brew and monitor for repeat occurrence.
Pro Tip
This is a common issue that most users can resolve without specialized tools. Try the first step before moving on to more complex solutions.
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