0xC101-0xC2FF

FALS(007) Error

Omron · CJ-series CJ2 CPU Unit

What does 0xC101-0xC2FF mean?

The FALS(007) instruction has been executed in the program, indicated by A401.06, signifying a user-defined fatal error condition. The specific error code in A400 will range from 0xC101 to 0xC2FF, where the last three hexadecimal digits correspond to a user-defined FAL number from 001 to 511.

Common Causes

  • A FALS(007) instruction in the program was triggered by a user-defined condition.

Repair Steps & Checklist

Click steps to track your progress.

  1. 1

    Determine the specific FAL number from the error code in A400 (e.g., 0xC101 indicates FAL number 001).

  2. 2

    Refer to the program logic for the identified FAL number (set by the user) to understand the underlying cause.

  3. 3

    Correct the program logic or external conditions that trigger the FALS(007) instruction.

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Verified technical data. Last updated: March 2026

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Source: Omron CJ-series CJ2 CPU Unit