Mitsubishi Electric · MELSEC System Q/L Series
A tracking hardware fault was detected during running in the redundant system. This indicates an issue with the hardware responsible for tracking system status, potentially compromising redundancy.
Click steps to track your progress.
Start after checking that the tracking cable is connected. If the same error is displayed again, the cause is the hardware fault of the tracking cable or CPU module.
Confirm the redundant system startup procedure, and execute a startup again.