Automatic Motor Tuning Not Possible

What does 50 mean?

This fault occurs because the drive is unable to perform Automatic Motor Tuning (AMT). This could be due to the calculated motor resistance (RS) falling outside permitted limits, insufficient motor current in one or more phases, or the motor being too small for accurate AMT calculations. An incomplete AMT prevents optimal motor control and efficiency.

Additional Steps

Steps 1–2 are listed in Priority Fix.

1. 3

   Ensure the selected motor is appropriately sized for the drive and application, reconsidering if it is too small for AMT. Consult sizing guidelines.

2. 4

   If possible, slightly increase the motor tuning current parameter (if available and safe to do so) to aid in current detection.