!
error Miller
Error Code Cup Light Flashing (Steady)
No arc was established. Steady flashing for 15 seconds or until torch trigger is pressed again.
? What Causes This
Failed to establish pilot arc, possibly due to worn consumables or torch issues.
✓ How to Fix It
- Check and clean torch consumables (electrode, tip, nozzle).
- Replace consumables if worn or damaged.
- Verify gas pressure and flow.
- Inspect torch for damage or clogging.
Source: page 27 of the official manual
From the manual
This error code appears in:
Miller Spectrum 375 Plasma Cutter