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error Miller
Error Code Pressure Light Flashing (Repetitive)
Regulated pressure in the unit is high. Repetitive flashing pattern (two quick cycles, then one second pause) for 15 second period.
? What Causes This
Input pressure to unit exceeds 120 psi or regulator malfunction.
✓ How to Fix It
- Check input pressure to unit.
- Adjust regulator to maintain 90-120 psi (621-827 kPa).
- Inspect regulator for proper operation.
- Check for blocked flow passages.
Source: page 27 of the official manual
From the manual
This error code appears in:
Miller Spectrum 375 Plasma Cutter