I/O module ERR not lit, L series expansion cable disconnected, replace LC06E/LC10E cable
CC Link IE Field communication interruption RJ71GF11-T2 fiber optic SFP module fault check LED "LINK" status; Clean the optical fiber; Replace SFP
Stop the R64MTCPU SSCNET III/H network and check the power supply of each axis amplifier; Use fiber optic loopback testing
Secure CPU STOP R08SFCPU security signature invalid, reapply security signature; Verify the consistency of security programs
The analog reading remains unchanged, and the R60AD4 input signal is disconnected, enabling the disconnection detection function; Check the wiring of the sensor
