⚠
warning Miller
Error Code Limit LED
Indicates a system limit condition (open thermocouple or out-of-range parameters).
? What Causes This
Operational conditions outside optimal operating range, such as an open thermocouple connection.
✓ How to Fix It
- Acknowledge the condition and continue operation with reduced output.
- If necessary, terminate operation to correct the issue.
Source: page 45 of the official manual
From the manual
This error code appears in:
Miller ProHeat 35 Industrial Heater