LogrobotLM

LogrobotLM — AI fault diagnosis for ABB · KUKA · FANUC robots. It reads your robot backup in your browser (never uploaded) and pinpoints the fault. Try it free → · Le diagnostic IA qui lit la sauvegarde de votre robot, sans rien téléverser.

FANUC Alarm PRIO-034 — WARN PLC interface general fault %d

FANUC PRIO-034 (“WARN PLC interface general fault %d”): The PLC interface board is faulted. First check: Check the LED status on the PLC interface board.

Updated 2026-08-29 · LogrobotLM reference

Description

The PLC interface board is faulted.

Remedy · Remède

Check the LED status on the 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.

Frequently asked · Questions fréquentes

What does FANUC alarm PRIO-034 mean?
FANUC PRIO-034 (“WARN PLC interface general fault %d”): The PLC interface board is faulted.
How do you troubleshoot FANUC alarm PRIO-034?
Check the LED status on the 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.

Related codes / Codes liés

PRIO-023WARN No ports of this typePRIO-033WARN PLC interface init. fault %dPRIO-035WARN PLC interface serial fault %dPRIO-037SYST Not supported for spec. port type

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 →