F7C6
Channel Number Out of Range
Mitsubishi Electric · MELSEC Q-series MELSECNET/H
What does F7C6 mean?
The channel number configured for either the host or target station is outside the permissible setting range of 1 to 64. This prevents proper channel assignment.
Common Causes
- Channel numbers for host or target stations are set outside the range of 1 to 64
Repair Steps & Checklist
Click steps to track your progress.
- 1
Set the channel numbers for both the host station and the target station to a value within the range of 1 to 64
Verified technical data. Last updated: March 2026
Related Faults
Source: Mitsubishi Electric MELSEC Q-series MELSECNET/H