ALARM 56
AMA interrupted by user
Danfoss · VLT HVAC Basic FC 101
What does ALARM 56 mean?
The Automatic Motor Adaptation (AMA) process was interrupted by the user. This is not an error but an indication that the parameter identification sequence was not completed, meaning the drive may not be optimally tuned for the motor.
Source: Danfoss VLT HVAC Basic FC 101
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