35

Application fault

Vacon · 20 Compact

What does 35 mean?

The drive's internal application software is not operating correctly, indicating a potential software glitch or an incorrect configuration.

Common Causes

  • Software bug or corruption in the drive's application firmware.
  • Incorrectly configured application-specific parameters.
  • External signal triggering an unexpected software path.
  • Memory corruption affecting application execution.
  • Incompatibility with installed option boards.

Repair Steps & Checklist

Click steps to track your progress.

  1. 1

    Perform a factory reset of all parameters (e.g., P1-01 to 2).

  2. 2

    Re-enter essential application parameters carefully, cross-referencing with documentation.

  3. 3

    Review all application-specific parameters for correct settings (e.g., P3-xx, P4-xx).

  4. 4

    Check if the fault occurs only under specific operating conditions or commands.

  5. 5

    Ensure the drive firmware is the latest compatible version.

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Verified technical data. Last updated: March 2026

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