08140000

Phase-A Connection Error

Omron · NJ/NX-series Machine Automation Controller

What does 08140000 mean?

A fault, such as broken wiring, was detected specifically in the Phase-A connection of the external encoder. This issue directly impacts the encoder's ability to provide accurate positional feedback.

Common Causes

  • Broken wiring in the external encoder phase-A connection
  • Loose connection or short circuit in the external encoder phase-A connection

Repair Steps & Checklist

Click steps to track your progress.

  1. 1

    Measure continuity of the external encoder phase-A connection cable.

  2. 2

    Visually inspect the external encoder phase-A connection for broken wiring or loose connections.

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Verified technical data. Last updated: March 2026

Related Faults

Source: Omron NJ/NX-series Machine Automation Controller