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FANUC Alarm FILE-029 — WARN Command is not supported

FANUC FILE-029 (“WARN Command is not supported”): Illegal request command is specified. First check: Check if the request code is corect.

Updated 2026-08-29 · LogrobotLM reference

Description

Illegal request command is specified.

Remedy · Remède

Check if the request code is corect.

Frequently asked · Questions fréquentes

What does FANUC alarm FILE-029 mean?
FANUC FILE-029 (“WARN Command is not supported”): Illegal request command is specified.
How do you troubleshoot FANUC alarm FILE-029?
Check if the request code is corect.

Related codes / Codes liés

FILE-027WARN Illegal attributeFILE-028WARN Illegal data blockFILE-030WARN Device lun table is fullFILE-031WARN Illegal path name

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 →