!!
critical Miller
Error Code Temperature Light On
Power source overheated. Temperature sensor indicates unit has exceeded safe operating temperature.
? What Causes This
Excessive duty cycle, insufficient cooling time, or blocked ventilation.
✓ How to Fix It
- Stop cutting immediately.
- Allow unit to cool for sufficient time (follow rated duty cycle).
- Check for blocked ventilation vents.
- Clear any obstructions around the unit.
- Reduce amperage or duty cycle before resuming.
Source: page 27 of the official manual
From the manual
This error code appears in:
Miller Spectrum 375 Plasma Cutter