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ErrorLib — Industrial Fault Code Library

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0x009B

PLC Setup Error

Omron · CJ-series CJ2 CPU Unit

What does 0x009B mean?

There is a setting error in the PLC Setup parameters, indicated by A402.10. This signifies that one or more configuration values are invalid, preventing the CPU Unit from operating according to its intended setup.

Common Causes

  • One or more settings in the PLC Setup are configured to an invalid value.

Repair Steps & Checklist

Click steps to track your progress.

  1. 1

    Identify the indicated setting with the error in the PLC Setup.

  2. 2

    Change the invalid setting to a valid value using a programming device.

Browse all codes in this manual (34)
Verified technical data. Last updated: April 2026

Related Faults

009ABasic I/O Error0x008BDuplicated Refreshing Error0x009ABasic I/O Error
Source: Omron CJ-series CJ2 CPU Unit
Open Manual (Page 394)Search more codes in this manual