Alarm 60, External Interlock - Danfoss VLT FC 102 Programming Manual

Programming Guide | VLT® HVAC Drive FC 102
ALARM 57, AMA Timeout
Cause
AMA timeout.
Troubleshooting
Try to restart the AMA. Repeated restarts can overheat the motor.
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ALARM 58, AMA Internal Fault
Cause
An AMA internal fault occurs.
Troubleshooting
Contact a local supplier.
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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.
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Increase the current limit if necessary. Ensure that the system can operate safely at a higher limit.
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ALARM 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.
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To resume normal operation, apply 24 V DC to the terminal programmed for external interlock.
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Reset the drive.
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WARNING/ALARM 61, Feedback Error
Cause
An error between calculated speed and speed measurement from feedback device.
Troubleshooting
Check the settings for warning/alarm/disabling in parameter 4-30 Motor Feedback Loss Function.
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Set the tolerable error in parameter 4-31 Motor Feedback Speed Error.
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Set the tolerable feedback loss time in parameter 4-32 Motor Feedback Loss Timeout.
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WARNING/ALARM 62, Output Frequency Limit
Cause for Flux Mode
If the output frequency reaches the value set in parameter 4-19 Max Output Frequency, the drive issues a warning. The warning ceases
when the output drops below the maximum limit. If the drive is unable to limit the frequency, it trips and issues an alarm. The latter may
happen in the Flux mode if the drive loses control of the motor.
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Troubleshooting
AU430028034214en-001901 / 130R0310