!!
critical Keurig
Error Code 5
The float switch is sensed higher than it should be during a brew cycle.
? What Causes This
Leaky or Stuck Inlet Valve or CWT level sensor stuck high.
✓ How to Fix It
Check for leaks in the inlet valve and tubing connections. Contact your Keurig Authorized Distributor if the inlet valve is stuck or faulty.
Source: page 16 of the official manual
From the manual
This error code appears in:
Keurig Coffee Maker