!
error Miller

Error Code CB1 Opens

Supplementary Protector CB1 has opened due to overload condition.

? What Causes This

Unit is overloaded or experiencing excessive current draw.

How to Fix It

  1. Turn off the unit.
  2. Reset the supplementary protector CB
  3. Check for short circuits or damaged components.
  4. Verify input power is adequate.
  5. If problem persists, contact authorized service.

Source: page 24 of the official manual

From the manual

Manual page 24 — Miller error CB1 Opens

This error code appears in:

Miller Spectrum 375 Plasma Cutter