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ErrorLib — Industrial Fault Code Library

Disclaimer: ErrorLib is an independent technical reference tool. While we aim for accuracy, always verify with the manufacturer’s official service manuals before performing maintenance on industrial equipment. ErrorLib is not affiliated with the brands listed.

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.

Browse all codes in this manual (26)
Verified technical data. Last updated: April 2026

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Source: Vacon 20 Compact
Open Manual (Page 56)Search more codes in this manual