Fanuc alarm 195: I/O LINK ALARM
30i/31i/32i system alarm · Fanuc 30i/31i/32i-B
What it means
A communication error occurred on the FANUC I/O Link (JD1A/JD1B daisy chain) connecting the PMC to operator panels and I/O units. The detailed code shown alongside points at the slave station concerned. Typical triggers are an instantaneous power dip on a slave device, bad or poorly seated I/O Link cable, noise pickup, or a failed I/O unit.
Likely causes
- Instantaneous power failure or unstable voltage at an I/O Link slave
- Faulty wiring or incomplete contact of the I/O Link cable (JD1A/JD1B)
- Electrical noise on the I/O Link run
- Failed I/O unit or operator panel interface
Triage note: System alarm 194 reports the equivalent fault on I/O Link i.
Need the part urgently?
Send us alarm 195 with your machine details — typical RFQ turnaround is 24–48h.