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55

AMA: Parameter out of range

Danfoss · VLT HVAC Drive High Power

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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.

Vanlige årsaker

  • One or more motor parameters (P1-20 to P1-25) are outside the acceptable numerical limits for the drive's AMA function.
  • Inputting values that are inconsistent with each other, creating a mathematically impossible motor model.
  • Drive firmware limitation or internal validation checks flagging an invalid configuration.
  • Typographical error in a parameter value, pushing it beyond the permissible range.
  • Attempting AMA with an unsupported motor type or configuration.

Reparasjonssteg & Sjekkliste

Klikk på steg for å spore fremgangen.

  1. 1

    1. Verify all motor parameters (P1-20 to P1-25) precisely match the motor nameplate data, checking for miskeyed digits.

  2. 2

    2. Consult the drive's manual for specific parameter ranges for P1-20 to P1-25 and ensure values are within these limits.

  3. 3

    3. Set all motor-related parameters (P1-20 to P1-25) to factory default (if applicable) and carefully re-enter them.

  4. 4

    4. Ensure consistency between P1-20 (Motor Voltage), P1-22 (Motor Power), and P1-24 (Motor Current) based on expected motor efficiency.

  5. 5

    5. Perform a full drive factory reset (e.g., P14-20 = 2) and reconfigure essential parameters before attempting AMA again.

Se alle koder i denne manualen (60)
Verifisert teknisk data. Sist oppdatert: March 2026

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Kilde: Danfoss VLT HVAC Drive High Power