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ErrorLib — Industrial Fault Code Library

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34F80000 hex

Dummy Sensors Setting Error

Omron · NJ/NX-series Machine Automation Controller

What does 34F80000 hex mean?

Too many Dummy Units have been configured, preventing some actual sensors from being assigned logical unit numbers. This misconfiguration leads to operational issues for active sensors in the E3X-series system.

Common Causes

  • There are too many Dummy Units set, so some Sensors are not assigned logical unit numbers.

Repair Steps & Checklist

Click steps to track your progress.

  1. 1

    Review the system configuration for Dummy Unit settings.

  2. 2

    Reduce the number of configured Dummy Units to free up logical unit numbers for active sensors.

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
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