⚠
warning Miller
Error Code Limit LED
Yellow Limit LED indicator on the front panel that flashes to indicate a system limit condition has occurred.
? What Causes This
The system has encountered an open thermocouple or is outside optimum operating conditions or parameters.
✓ How to Fix It
Press Run Status button to display the limit condition message. Follow the suggested actions for the specific limit code (L01-L11).
Source: page 55 of the official manual
From the manual
This error code appears in:
Miller ProHeat 35 Industrial Heater