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Unknown Drive Rating

Schneider Electric · Altivar Machine ATV320 Variable Speed Drive

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The drive has detected an unknown drive rating. This implies a critical internal inconsistency where the drive cannot identify its own power or voltage characteristics, preventing safe and proper operation. This usually points to an internal hardware issue.

Häufige Ursachen

  • The drive's power rating is not recognized or is outside the supported range.
  • Incorrect model number selected in configuration parameters (e.g., P1-01).
  • Incompatible firmware flashed to the drive.
  • Physical damage to the drive's rating identification components.

Reparaturschritte & Checkliste

Klicken Sie auf Schritte, um Ihren Fortschritt zu verfolgen.

  1. 1

    Power cycle the drive.

  2. 2

    Perform a factory reset to attempt to restore internal calibration data.

  3. 3

    If the fault persists, it indicates an internal hardware fault, likely requiring replacement of the control board or the entire drive unit.

Alle Codes in diesem Handbuch durchsuchen (60)
Verifizierte technische Daten. Zuletzt aktualisiert: March 2026

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Quelle: Schneider Electric Altivar Machine ATV320 Variable Speed Drive