Inovance E.400 fault code meaning

Series: ES650

Main circuit overvoltage

servo drive

Meaning:

Possible causes

• Main circuit input voltage too high.
• The power supply is unstable or has been affected by lightning.
• Braking resistor failure.
• External braking resistor resistance issue.
• Braking energy issue.
• DC bus voltage sampling issue
• Servo drive fault

Source: ES650 Series Servo Drive User Manual P34