F108
Baton Pass Error (Baton Duplicated)
Mitsubishi Electric · MELSEC Q-series MELSECNET/H
What does F108 mean?
A duplicate baton has been detected on the network, indicating a configuration error or physical fault that could lead to communication conflicts and instability. This typically arises from incorrect station numbering or control station settings.
Common Causes
- Duplication of station numbers across the network
- Duplication of control station settings
- Faulty network cables, wire breakages, or faulty connector connections
- Uninstalled or loose terminal resistors
Repair Steps & Checklist
Click steps to track your progress.
- 1
Execute the setup confirmation test (Section 4.8.2 or 3.8.2) to check for duplicate station numbers
- 2
Execute the setup confirmation test (Section 4.8.2 or 3.8.2) to check for duplicate control station settings
- 3
Inspect all network cables for physical damage, wire breakages, or faulty connector connections
- 4
Verify that all terminating resistors are correctly installed and securely connected
Verified technical data. Last updated: March 2026
Related Faults
Source: Mitsubishi Electric MELSEC Q-series MELSECNET/H