Mitsubishi Electric · MELSEC Q-series MELSECNET/H
The receive buffer has no free area, indicating a buffer-full error that prevents further data reception. This can happen due to high communication traffic or issues with the sending CPU's receive processing.
Click steps to track your progress.
Attempt to retry the operation after a short interval
If the error recurs, review the system's transient communication times and communication interval settings to reduce traffic
Investigate the sending destination CPU for errors related to receive processing