LogrobotLM

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FANUC Alarm FILE-034 — WARN Illegal file position

FANUC FILE-034 (“WARN Illegal file position”): Illegal file position is specified. First check: Check that the file position parameter from SEEK request is positive and not beyond the end of file.

Updated 2026-08-29 · LogrobotLM reference

Description

Illegal file position is specified.

Remedy · Remède

Check that the file position parameter from SEEK request is positive and not beyond the end of file.

Frequently asked · Questions fréquentes

What does FANUC alarm FILE-034 mean?
FANUC FILE-034 (“WARN Illegal file position”): Illegal file position is specified.
How do you troubleshoot FANUC alarm FILE-034?
Check that the file position parameter from SEEK request is positive and not beyond the end of file.

Related codes / Codes liés

FILE-032WARN Illegal parameterFILE-033WARN System file buffer fullFILE-035WARN Device not formattedFILE-036WARN File already exist

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 →