F820
Link Parameter Error (Corrupted)
Mitsubishi Electric · MELSEC Q-series MELSECNET/H
What does F820 mean?
The contents of the common parameters or parameters specific to a station are corrupted or broken, leading to a link parameter error. This prevents proper network communication and function.
Common Causes
- Data corruption within common parameters
- Data corruption within parameters specific to a particular station
Repair Steps & Checklist
Click steps to track your progress.
- 1
Correct the common parameters in the system configuration
- 2
Correct the parameters specific to the affected station
Verified technical data. Last updated: March 2026
Related Faults
Source: Mitsubishi Electric MELSEC Q-series MELSECNET/H