!!
critical Zojirushi
Error Code C05
Indicates a malfunction in the rice cooker system.
? What Causes This
Internal system failure or hardware malfunction.
✓ How to Fix It
Contact the store where you purchased the rice cooker or Zojirushi Customer Service for examination, repair, or adjustment.
Source: page 31 of the official manual
From the manual
This error code appears in:
Zojirushi Rice Cooker