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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.

oFA10

Option Card Fault

Yaskawa · Drive Fault Codes

What does oFA10 mean?

An option card fault, indicating a general issue with one of the installed option cards. This requires corrective actions ranging from parameter adjustment to hardware checks or replacement to restore functionality of the option.

Common Causes

  • Incorrect parameters configured for the option card (e.g., communication settings, input mapping)
  • Loose or improper installation of the option card in its slot
  • Internal malfunction of the option card hardware due to component failure or damage.

Repair Steps & Checklist

Click steps to track your progress.

  1. 1

    Verify all parameters related to the installed option card are correctly set according to the application.

  2. 2

    Perform a power cycle and then reseat the option card firmly in its slot.

  3. 3

    Check for proper operation of any external devices connected to the option card (e.g., encoder, network cable).

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

Related Faults

CEMEMOBUS/Modbus Communication ErrorCPF02A/D Conversion ErrorCPF03Control Board Connection Error
Source: Yaskawa Drive Fault Codes
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