08120000 hex

External Encoder Status Error 4

Omron · NJ/NX-series Machine Automation Controller

What does 08120000 hex mean?

Bit 04 of the external encoder error code (ALMC) was set to 1, indicating a specific status or fault condition from the external encoder. Diagnosis requires consulting the encoder's dedicated manual.

Common Causes

  • Bit 04 of the external encoder error code (ALMC) was set to 1.

Repair Steps & Checklist

Click steps to track your progress.

  1. 1

    Consult the external encoder's specific manual for the meaning of ALMC Bit 04 and corresponding troubleshooting steps.

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Verified technical data. Last updated: March 2026

Related Faults

Source: Omron NJ/NX-series Machine Automation Controller