LogrobotLM

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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 2026-08-29 · 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 · Remède

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

Frequently asked · Questions fréquentes

What does FANUC alarm PRIO-209 mean?
FANUC PRIO-209 (“FIPIO Connection Broken”): 1. Operating mode has been changed to IDLE or STOP by PLC. 2. Cable between the robot controller and PLC is disconnected or faulty.
How do you troubleshoot FANUC alarm PRIO-209?
1. Set operation mode to RUN by PLC 2. Check whether the robot controller and PLC is wired correctly.

Related codes / Codes liés

PRIO-207FIPIO BadPrm; CMD %x,%xPRIO-208FIPIO NRDY; CMD %d LNG %dPRIO-210FIPIO Cnf/Adj not availablePRIO-211FIPIO Bad Cnf/Adj status

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 →