084D0000

Non-volatile Memory Hardware Error

Omron · NJ/NX-series Machine Automation Controller

What does 084D0000 mean?

A hardware error was detected within the non-volatile memory, potentially indicating a component failure or corruption caused by severe electrical noise during data access. This can lead to loss of persistent data.

Common Causes

  • Excessive electrical noise causing data read errors in non-volatile memory
  • Failure of the non-volatile memory hardware component

Repair Steps & Checklist

Click steps to track your progress.

  1. 1

    Measure power supply voltage and check grounding integrity of the unit to minimize electrical noise.

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Verified technical data. Last updated: March 2026

Related Faults

Source: Omron NJ/NX-series Machine Automation Controller