083D0000 hex

Fan Error

Omron · NJ/NX-series Machine Automation Controller

What does 083D0000 hex mean?

The rotation speed of the fan is 40% or less of the rating and the cooling performance decreases. This indicates a potential issue with the cooling system's efficiency, which can lead to overheating.

Common Causes

  • There is a foreign matter in the cooling fan and it blocks the rotation
  • Cooling fan failure

Repair Steps & Checklist

Click steps to track your progress.

  1. 1

    Inspect the cooling fan's intake and exhaust vents on the Omron NJ/NX controller for dust buildup, debris, or any physical obstructions that may impede airflow.

  2. 2

    Verify the ambient operating temperature surrounding the controller is within the manufacturer's specified range to rule out environmental factors stressing the cooling system.

  3. 3

    Check the controller's system log, diagnostic display, or engineering software (e.g., Sysmac Studio) for specific fan status, run-time, or related error messages providing further detail on the fan's operation.

  4. 4

    Verify the controller's power supply voltage at the input terminals is stable and within the specified operational limits, as unstable power could indirectly affect fan motor performance.

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Verified technical data. Last updated: March 2026

Related Faults

Source: Omron NJ/NX-series Machine Automation Controller