54
AMA: Motor too small
Danfoss · VLT HVAC Drive High Power
What does 54 mean?
The connected motor is too small for the Automatic Motor Adaptation (AMA) function to operate successfully. This mismatch in sizing or parameter limits means the drive cannot accurately identify the motor's characteristics, leading to an inability to optimize control.
Additional Steps
Steps 1–2 are listed in Priority Fix.
- 3
If the motor is indeed too small for the drive, consider a smaller drive or alternative commissioning methods.
Source: Danfoss VLT HVAC Drive High Power
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