Clean with electronic contact cleaner, blow dry, and apply dielectric grease to seal out moisture.
If the alarm moved with the cable during your swap test, the problem is narrowed down to the cable or the encoder itself. fanuc 366 alarm
: The motor parameter number set in the CNC is incompatible with the physical driver installed. Hardware Malfunction Clean with electronic contact cleaner, blow dry, and
If the alarm persists after replacing the fiber optic cable and verifying parameters, the problem is likely internal to the or CNC main board . At this point, contact FANUC field service or your machine tool builder for repair or replacement. Clean with electronic contact cleaner