04A10000

Non-volatile Memory Hardware Error

Omron · NJ/NX-series Machine Automation Controller

What does 04A10000 mean?

A hardware error was detected in the non-volatile memory, indicating a potential failure of the memory component itself. This can result in loss of stored configuration or operational data.

Common Causes

  • Non-volatile memory component failure

Repair Steps & Checklist

Click steps to track your progress.

  1. 1

    Verify the input supply voltage at the Omron NJ/NX controller's power terminals against the specified nominal voltage range.

  2. 2

    Inspect the controller's PWR, RUN, ERROR, and other status LEDs for specific fault indications or abnormal states.

  3. 3

    Inspect all power connections and module seating for the Omron NJ/NX controller to ensure secure physical contact.

  4. 4

    Perform a controlled power cycle of the Omron NJ/NX controller after ensuring all safety protocols are followed.

  5. 5

    Connect to the controller using Sysmac Studio and retrieve the detailed error log for more specific diagnostic information regarding the non-volatile memory fault.

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Verified technical data. Last updated: March 2026

Related Faults

Source: Omron NJ/NX-series Machine Automation Controller