⚠
warning Miller
Error Code L07
Output Voltage Limit — the output voltage has reached its limit, reducing available power.
? What Causes This
Blanket not tightened against pipe surface, insufficient coupling between coil and workpiece.
✓ How to Fix It
1. Tighten blanket against pipe surface to improve coupling efficiency.
Source: page 55 of the official manual
From the manual
This error code appears in:
Miller ProHeat 35 Industrial Heater