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FANUC Alarm SYST-124 — WARN No decision output group defined

FANUC SYST-124 (“WARN No decision output group defined”): The decision code output group, which is required with the current program selection options, has not been defined. First check: Set up a decision code output group in the Cell Output I/O and Group I/O menus and restart the robot.

Updated 2026-09-17 · LogrobotLM reference

Description

The decision code output group, which is required with the current program selection options, has not been defined.

Remedy

Set up a decision code output group in the Cell Output I/O and Group I/O menus and restart the robot.

Related codes

SYST-122WARN No style output group definedSYST-123WARN No option output definedSYST-125WARN No in-cycle output definedSYST-126WARN No task-OK output defined

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 →