warning Miller

Error Code Pressure Light Flashing (Steady)

Regulated pressure in the unit is low. Steady flashing for 15 seconds or until torch trigger is pressed again.

? What Causes This

Gas/air leak in torch or low input pressure to unit.

How to Fix It

  1. Check torch for leaks.
  2. Verify input pressure is between 90-120 psi (621-827 kPa).
  3. Inspect all gas connections for leaks.
  4. Replace damaged hoses if necessary.

Source: page 27 of the official manual

From the manual

Manual page 27 — Miller error Pressure Light Flashing (Steady)

This error code appears in:

Miller Spectrum 375 Plasma Cutter