Danfoss iC2 - Page 273

Application Guide | iC2-Micro Frequency Converters
FAULT 57, AMA Timeout
Troubleshooting
l Try to restart the AMA. Repeated restarts can overheat the motor.
FAULT 58, AMA Internal
Troubleshooting
l Contact the Danfoss supplier.
WARNING/FAULT 59, Current Limit
Cause
The current is higher than the value in P 2.7.1 Output Current Limit %.
Troubleshooting
l Ensure that the motor data in P 4.2.2.1 Nominal Power to P 4.2.2.5 Nominal Speed is set correctly.
l Increase the current limit if necessary. Ensure that the system can operate safely at a higher limit.
FAULT 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
l Clear the external fault condition.
l To resume normal operation, apply 24 V DC to the terminal programmed for external interlock.
l Reset the drive.
FAULT 63, Mechanical Brake Low
Cause
The actual motor current has not exceeded the release brake current within the start delay time window.
WARNING/FAULT 69, Power Card Temperature
Cause
The cutout temperature of the power card has exceeded the upper limit.
Troubleshooting
l Check that the ambient operating temperature is within limits.
l Check the fan operation.
l Check the power card.
FAULT 80, Drive Initialized to Default Value
Cause
Parameter settings are initialized to default settings after a manual reset.
Troubleshooting
l To clear the fault, reset the unit.
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