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FANUC Alarm PRIO-209 — FIPIO Connection Broken

FANUC PRIO-209 (“FIPIO Connection Broken”): 1. Operating mode has been changed to IDLE or STOP by PLC. First check: 1. Set operation mode to RUN by PLC 2.

Updated 2026-09-17 · LogrobotLM reference

Description

1. Operating mode has been changed to IDLE or STOP by PLC. 2. Cable between the robot controller and PLC is disconnected or faulty.

Remedy

1. Set operation mode to RUN by PLC 2. Check whether the robot controller and PLC is wired correctly.

Related codes

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. How this reference is built →