55

AMA: Parameter out of range

Danfoss · VLT HVAC Drive High Power

What does 55 mean?

The Automatic Motor Adaptation (AMA) cannot run because one or more parameter values related to the motor are outside of the acceptable range for the AMA algorithm. This indicates an invalid motor configuration that prevents the drive from accurately modeling the motor.

Additional Steps

Steps 1–2 are listed in Priority Fix.

  1. 3

    Consult the drive manual for acceptable ranges for AMA-related parameters.

Source: Danfoss VLT HVAC Drive High Power
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