FANUC Alarm PRIO-035 — WARN PLC interface serial fault %d
FANUC PRIO-035 (“WARN PLC interface serial fault %d”): The serial link to a PLC has failed. First check: Check the LED status on PLC interface board.
Updated 2026-08-29 · LogrobotLM reference
Description
The serial link to a PLC has failed.
Remedy · Remède
Check the LED status on PLC interface board. Refer to the FANUC Robotics manual, A User’s Guide to the FANUC Robotics SYSTEM R-J3 Controller Remote I/O interface for an Allen- Bradley PLC or A User’s Guide to the FANUC Robotics Genius Network Interface for GE FANUC PLC.
Frequently asked · Questions fréquentes
- What does FANUC alarm PRIO-035 mean?
- FANUC PRIO-035 (“WARN PLC interface serial fault %d”): The serial link to a PLC has failed.
- How do you troubleshoot FANUC alarm PRIO-035?
- Check the LED status on PLC interface board. Refer to the FANUC Robotics manual, A User’s Guide to the FANUC Robotics SYSTEM R-J3 Controller Remote I/O interface for an Allen- Bradley PLC or A User’s Guide to the FANUC Robotics Genius Network Interface for GE FANUC PLC.
Related codes / Codes liés
Indicative field information — the robot manufacturer's manual and safety procedures always prevail. Never bypass a safety device; apply lockout/tagout (LOTO) before any physical intervention. · Informations indicatives issues du terrain — le manuel du constructeur et ses procédures de sécurité font foi. Ne shuntez jamais un organe de sécurité ; consignez (LOTO) avant toute intervention physique. How this reference is built →