F826

Parameter Mismatch (Control/Sub-control Station)

Mitsubishi Electric · MELSEC Q-series MELSECNET/H

What does F826 mean?

A parameter mismatch occurred because the parameters of the control station (which started as a normal station) differ from the parameters received from the sub-control station. This indicates a configuration discrepancy between primary and secondary controllers.

Common Causes

  • Discrepancy between the parameters configured for the control station and those received from the sub-control station

Repair Steps & Checklist

Click steps to track your progress.

  1. 1

    Review the parameters configured for the control station

  2. 2

    Reset the host station after correcting any parameter discrepancies

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Verified technical data. Last updated: March 2026

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Source: Mitsubishi Electric MELSEC Q-series MELSECNET/H