8.4.51 ALARM 54, AMA Motor Too Small
Cause
The motor is too small for the AMA to operate.
8.4.52 ALARM 55, AMA Parameter Out of Range
Cause
The AMA cannot run because the paramenter values of the motor are out of the acceptable range.
8.4.53 ALARM 56, AMA Interrupted by User
Cause
The AMA is manually interrupted.
8.4.54 ALARM 57, AMA Internal Fault
Cause
Try to restart the AMA. Repeated restarts can overheat the motor.
8.4.55 ALARM 58, AMA Internal Fault
Troubleshooting
Contact the Danfoss supplier.
8.4.56 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.
8.4.57 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.
Maintenance, Diagnostics, and
Troubleshooting
Operating Guide | VLT® Refrigeration Drive FC 103
AQ275652766279en-000101 / 130R0707
114 | Danfoss A/S © 2020.01
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