Danfoss VLT AutomationDrive FC 360 Programming Manual page 323

Programming Guide | VLT® AutomationDrive FC 360
WARNING 49, SPEED LIMIT
Cause
The warning is shown when the speed is outside of the specified range in parameter 4-12 Motor Speed Low Limit [Hz] and parameter
4-14 Motor Speed High Limit [Hz].
Troubleshooting
Check if the system ran outside of the speed range.
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Check if parameter 4-12 Motor Speed Low Limit [Hz] and parameter 4-14 Motor Speed High Limit [Hz] are set correctly..
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ALARM 50, AMA Calibration
Cause
A calibration error has occurred.
Troubleshooting
Contact a Danfoss supplier or the Danfoss service department.
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ALARM 51, AMA check U
Cause
The settings for motor voltage, motor current, and motor power are wrong.
Troubleshooting
Check the settings in parameter 1-20 to parameter 1-25.
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ALARM 52, AMA Low I
Cause
The motor current is too low.
Troubleshooting
Check the setting in parameter 1-24 Motor Current.
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ALARM 53, AMA Big Motor
Cause
The power size of the motor is too large for the AMA to operate.
Troubleshooting
Check the settings in parameter group 1-2* Motor Data.
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ALARM 54, AMA Small Motor
Cause
The power size of the motor is too small for the AMA to operate.
Troubleshooting
Check the settings in parameter group 1-2* Motor Data.
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