Danfoss VLT AQUA Drive FC 202 Operating Manual page 120

Operating Guide | VLT® AQUA Drive FC 202
8.4.52 ALARM 56, AMA Interrupted by User
Cause
The AMA is manually interrupted.
8.4.53 ALARM 57, AMA Internal Fault
Cause
Try to restart the AMA. Repeated restarts can overheat the motor.
8.4.54 ALARM 58, AMA Internal Fault
Troubleshooting
Contact the Danfoss supplier.
8.4.55 WARNING 59, Current Limit
Cause
The current is higher than the value in parameter 4-18 Current Limit.
Troubleshooting
• Ensure that the motor data in parameters 1-20 to 1-25 is set correctly.
• Increase the current limit if necessary. Ensure that the system can operate safely at a higher limit.
8.4.56 WARNING 60, External Interlock
Cause
A digital input signal indicates a fault condition external to the drive. An external interlock has commanded the drive to trip.
Troubleshooting
• Clear the external fault condition.
• To resume normal operation, apply 24 V DC to the terminal programmed for external interlock.
• Reset the drive.
8.4.57 WARNING/ALARM 61, Feedback Error
Cause
An error between calculated speed and speed measurement from feedback device.
118 | Danfoss A/S © 2020.01
Maintenance, Diagnostics, and
Troubleshooting
AQ275652274277en-000101 / 130R0708