Description
A serial measurement board communication timeout warning occurred in drive module arg in drive unit at unit location arg.
Consequences
Although it works, there is a high chance that the system will encounter a stop error.
Possible causes
- Poor connection or damage to the serial measurement board cable.
- Serial measurement board 24 V Power supply defective.
- SMB 24 V Power supply short circuit or overcurrent.
- interference.
Recommended actions
- Check the serial measurement board cable.
- Check the serial measurement board 24 V power supply.