!!
critical Arctic
Error Code EC
General unit malfunction or error.
? What Causes This
Generic issue related to environmental conditions not suitable, malfunction in unit components.
✓ How to Fix It
Ensure proper operating environment. If issue persists, please contact service tech; ensure temperature is within a specified range.
Source: page 46 of the official manual
From the manual
This error code appears in:
Arctic King Mdnk 45aen1 Ba9