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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.

InF4

Invalid Industrialization Zone

Schneider Electric · Altivar Machine ATV320 Variable Speed Drive

What does InF4 mean?

An invalid industrialization zone has been detected. This is a factory-set parameter related to manufacturing origin or regional configuration. Such a fault indicates a deep internal inconsistency or potential tampering, preventing normal operation.

Common Causes

  • The drive's industrialization zone setting is invalid or not supported.
  • Incorrect value entered in parameter P1-05 (Industrialization Zone).
  • Attempt to operate the drive in a region with incompatible safety standards.
  • Firmware configured for a different geographical market.

Repair Steps & Checklist

Click steps to track your progress.

  1. 1

    Perform a factory reset to restore default regional settings if applicable.

  2. 2

    Contact manufacturer support, as this may indicate critical internal data corruption or unauthorized modification.

  3. 3

    If firmware was recently updated, ensure the firmware version is correct for the drive's region.

Browse all codes in this manual (60)
Verified technical data. Last updated: April 2026

Related Faults

ASFAngle ErrorCFFIncorrect ConfigurationCFI2Configuration Transfer Error
Source: Schneider Electric Altivar Machine ATV320 Variable Speed Drive
View Official PDFSearch more codes in this manual