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FANUC Alarm PRIO-119 — WARN Too many DIGITAL I/O ports

FANUC PRIO-119 (“WARN Too many DIGITAL I/O ports”): There are too many DIGITAL I/O ports. First check: Disconnect some DIGITAL I/O devices.

Updated 2026-08-29 · LogrobotLM reference

Description

There are too many DIGITAL I/O ports.

Remedy · Remède

Disconnect some DIGITAL I/O devices.

Frequently asked · Questions fréquentes

What does FANUC alarm PRIO-119 mean?
FANUC PRIO-119 (“WARN Too many DIGITAL I/O ports”): There are too many DIGITAL I/O ports.
How do you troubleshoot FANUC alarm PRIO-119?
Disconnect some DIGITAL I/O devices.

Related codes / Codes liés

PRIO-104STOP Device is off-linePRIO-106STOP Device with port is off-linePRIO-121WARN Stop PMC programPRIO-125SYST SLC2 initialization error

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 →