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0074

PEr (Program error)

Lenze · 9300 Series

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An error has occurred in the program flow of the device. This indicates an internal software issue within the controller's operating system, potentially requiring a software analysis by the manufacturer.

Häufige Ursachen

  • Corrupted firmware image due to a failed update or power interruption during the update process.
  • Memory write error in the internal flash or RAM, leading to instruction fetch errors.
  • Hardware malfunction in the CPU or memory components of the controller.
  • Unforeseen software state caused by an invalid parameter combination (e.g., P3-01 and P3-02 conflict).
  • Internal watchdog timer expiration due to an infinite loop or process crash.

Reparaturschritte & Checkliste

Klicken Sie auf Schritte, um Ihren Fortschritt zu verfolgen.

  1. 1

    Perform a software reset by cycling the main power to the drive, then monitor for recurrence.

  2. 2

    Check the current firmware version via parameter C0004; compare it to the latest available version from the manufacturer.

  3. 3

    Attempt to re-upload the latest firmware version using the manufacturer's dedicated software tool and a service interface (e.g., USB or Ethernet port).

  4. 4

    Verify all critical configuration parameters (e.g., C0003 for default settings) are within valid ranges after a firmware update or reset.

  5. 5

    If the fault persists, contact technical support with the exact firmware version (C0004) and any error logs for advanced diagnostics.

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Verifizierte technische Daten. Zuletzt aktualisiert: March 2026

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