Danfoss VLT AQUA Drive FC 202 Operating Manual page 119

Operating Guide | VLT® AQUA Drive FC 202
8.4.45 WARNING 49, Speed Limit
Cause
The warning is shown when the speed outside of the specified range in parameter 4-11 Motor Speed Low Limit [RPM] and parameter 4-13
Motor Speed High Limit [RPM]. When the speed is below the specified limit in parameter 1-86 Trip Speed Low [RPM] (except when starting
or stopping), the drive trips.
8.4.46 ALARM 50, AMA Calibration Failed
Troubleshooting
• Contact the Danfoss supplier or service department.
8.4.47 ALARM 51, AMA Check Unom and Inom
Cause
The settings for motor voltage, motor current, and motor power are wrong.
Troubleshooting
• Check settings in parameters 1-20 to 1-25.
8.4.48 ALARM 52, AMA Low Inom
Cause
The motor current is too low.
Troubleshooting
• Check the settings in parameter 1-24 Motor Current.
8.4.49 ALARM 53, AMA Motor Too Big
Cause
The motor is too big for the AMA to operate.
8.4.50 ALARM 54, AMA Motor Too Small
Cause
The motor is too small for the AMA to operate.
8.4.51 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.
Danfoss A/S © 2020.01
Maintenance, Diagnostics, and
Troubleshooting
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