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ErrorLib — Industrial Fault Code Library

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247A0000 hex

Number of Distributed Sensor Unit Verify Error

Omron · NJ/NX-series Machine Automation Controller

What does 247A0000 hex mean?

The count of Distributed Sensor Units detected at power-up is lower than expected. This suggests a disconnection or failure of one or more Distributed Sensor Units within the E3NW-ECT system.

Common Causes

  • The Distributed Sensor Unit is disconnected.

Repair Steps & Checklist

Click steps to track your progress.

  1. 1

    Verify the physical connections to all Distributed Sensor Units.

  2. 2

    Check for power supply issues to the Distributed Sensor Units.

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
Open Manual (Page 279)Search more codes in this manual