F11F

Initial Status (No Baton Addressed to Host)

Mitsubishi Electric · MELSEC Q-series MELSECNET/H

What does F11F mean?

The system is in an initial status where no baton is being addressed to the host station. This can be caused by parameter/switch settings or a mix of incompatible network modules.

Common Causes

  • Parameter error or incorrect switch settings for the corresponding remote master station
  • Mixing MESLECNET/H remote I/O network modules with MELSECNET/10 network modules

Repair Steps & Checklist

Click steps to track your progress.

  1. 1

    Review all parameter and switch settings for the affected station, ensuring they are correct and the station is properly configured as a remote master station

  2. 2

    Confirm that only one type of network module (e.g., MESLECNET/H or MELSECNET/10) is used within the network and matches the control station type

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Verified technical data. Last updated: March 2026

Related Faults

Source: Mitsubishi Electric MELSEC Q-series MELSECNET/H
Mitsubishi Electric Error F11F: Initial Status (No Baton Addressed to Host) — Troubleshooting Guide | ErrorLib