F106
Control/Sub-control Station Shift Status
Mitsubishi Electric · MELSEC Q-series MELSECNET/H
What does F106 mean?
This error indicates an issue with the control or sub-control station's operational status. It could be related to power, cabling, or the CPU module itself.
Common Causes
- Problem with the control station's power supply
- Issue with network cables connected to the control station
- Fault within the control station's CPU module
Repair Steps & Checklist
Click steps to track your progress.
- 1
Verify the power supply status of the control station
- 2
Inspect all network cables connected to the control station for physical damage or loose connections
- 3
Check the operational status and error indicators of the control station's CPU
Verified technical data. Last updated: March 2026
Related Faults
Source: Mitsubishi Electric MELSEC Q-series MELSECNET/H