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ErrorLib — Industrial Fault Code Library

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083B0000 hex

Self-diagnosis Error

Omron · NJ/NX-series Machine Automation Controller

What does 083B0000 hex mean?

An error was detected by the self-diagnosis of the safety function. This suggests a problem with the internal safety monitoring system of the device, which could be triggered by noise or a hardware malfunction.

Common Causes

  • False detection due to a data read error that was caused by excessive noise
  • Hardware failure

Repair Steps & Checklist

Click steps to track your progress.

  1. 1

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

  2. 2

    Inspect the grounding connections for the control panel and the NJ/NX controller for proper integrity and low resistance.

  3. 3

    Inspect all safety-related input/output wiring and associated shield terminations for damage, loose connections, or potential EMI sources.

  4. 4

    Verify all safety function parameters and settings in Sysmac Studio match the documented machine safety design.

Browse all codes in this manual (96)
Verified technical data. Last updated: April 2026

Related Faults

04A10000Non-volatile Memory Hardware Error04A10000 hexNon-volatile Memory Hardware Error04AC0000 hexOvercurrent
Source: Omron NJ/NX-series Machine Automation Controller
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