Mitsubishi Electric · MELSEC Q-series MELSECNET/H
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.
Click steps to track your progress.
Verify the power supply status of the control station
Inspect all network cables connected to the control station for physical damage or loose connections
Check the operational status and error indicators of the control station's CPU