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error Miller
Error Code E-3
Input Voltage Error — input voltage does not match the unit's operating requirements.
? What Causes This
Incorrect input voltage source, unstable power supply, or incorrect voltage selection on the unit.
✓ How to Fix It
- Verify the input power source provides the correct voltage (208–230/460V, 3-phase).
- Confirm the input voltage matches the unit's requirements.
- Check all power connections for proper contact and security.
- If using a generator, ensure it supplies stable voltage within the unit's range.