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FANUC Alarm SYST-129 — WARN No manual style output defined

FANUC SYST-129 (“WARN No manual style output defined”): The manual style request output, which is required with the current program selection options, has not been defined. First check: Set up a manual style request output in the Cell Output I/O menu and restart the robot.

Updated 2026-09-17 · LogrobotLM reference

Description

The manual style request output, which is required with the current program selection options, has not been defined.

Remedy

Set up a manual style request output in the Cell Output I/O menu and restart the robot.

Related codes

SYST-127WARN No isolate output definedSYST-128WARN No interlock output definedSYST-130WARN Program still runningSYST-131WARN Invalid manual style request

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 →