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ErrorLib — Industrial Fault Code Library

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080C0000 hex

External Encoder Connection Error

Omron · NJ/NX-series Machine Automation Controller

What does 080C0000 hex mean?

A disconnection was detected in communications between an external encoder and the Servo Drive, occurring more frequently than the specified threshold. This points to an incorrect wiring setup for the external encoder, affecting motion control.

Common Causes

  • The wiring is incorrect.

Repair Steps & Checklist

Click steps to track your progress.

  1. 1

    Examine the wiring of the external encoder to the Servo Drive for correct termination and pin assignments.

  2. 2

    Check for loose or intermittent connections in the external encoder's wiring path.

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

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