Drive Hums And Draws High Current; Drive Stops Suddenly And Restart Is Not Possible; Motor Rotating In Wrong Direction; Motor Not Generating Expected Torque - Danfoss VLT MSD 510 Operating Manual

Operating Guide | VLT® Multiaxis Servo Drive MSD 510 System

9.2.1.2 Drive Hums and Draws High Current

Possible Cause
• Drive defective.
Troubleshooting
• Contact Danfoss.

9.2.1.3 Drive Stops Suddenly and Restart is not Possible

Possible Cause
• No drive communication.
• Drive in error mode.
Troubleshooting
• Check the fieldbus connection and the LEDs on the drive.

9.2.1.4 Motor Rotating in Wrong Direction

Possible Cause
• Mirror mode activated.
Troubleshooting
• Check the parameter settings.

9.2.1.5 Motor not Generating Expected Torque

Possible Cause
• Drive defective.
• Parameter error.
Troubleshooting
• Check the parameter settings.
• Contact Danfoss.

9.2.1.6 Drive Screaming

Possible Cause
• Incorrect calibration.
• Faulty current measurement.
• Incorrect control loop parameters.
Troubleshooting
• Check the parameter settings.
• Contact Danfoss.
164 | Danfoss A/S © 2019.10
Diagnostics
AQ262450196490en-000101 / 175R1170