080D0000 hex

External Encoder Communications Data Error

Omron · NJ/NX-series Machine Automation Controller

What does 080D0000 hex mean?

An error occurred in the data communication from the external encoder. This issue is often related to an inadequate power supply to the external encoder or the presence of electrical noise, causing corrupted feedback.

Common Causes

  • There is insufficient external encoder power supply voltage.
  • Noise affecting communication signals.

Repair Steps & Checklist

Click steps to track your progress.

  1. 1

    Measure the external encoder's power supply voltage to ensure it meets specifications.

  2. 2

    Identify and suppress sources of noise impacting the external encoder communication lines.

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Verified technical data. Last updated: March 2026

Related Faults

Source: Omron NJ/NX-series Machine Automation Controller