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ErrorLib — Industrial Fault Code Library

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08450000 hex

Encoder Memory Error

Omron · NJ/NX-series Machine Automation Controller

What does 08450000 hex mean?

The encoder detected a non-volatile memory error. This indicates a problem with data integrity or storage within the encoder's non-volatile memory, potentially impacting its configuration or calibration data.

Common Causes

  • False detection due to a data read error that was caused by excessive noise
  • Non-volatile memory failure

Repair Steps & Checklist

Click steps to track your progress.

  1. 1

    Measure encoder supply voltage at the encoder input terminals and compare against specified range from the manufacturer's documentation.

  2. 2

    Inspect encoder signal and power cables for physical damage, proper shielding, and secure connections at both the encoder and the Omron NJ/NX controller.

  3. 3

    Verify current encoder configuration parameters and calibration data stored within the Omron NJ/NX controller against machine documentation, and attempt to re-upload if necessary.

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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