LogrobotLM

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FANUC Alarm FILE-019 — WARN File is locked

FANUC FILE-019 (“WARN File is locked”): You tried to access a file which is locked. First check: Release the lock.

Updated 2026-09-17 · LogrobotLM reference

Description

You tried to access a file which is locked.

Remedy

Release the lock.

Related codes

FILE-017WARN File not openFILE-018WARN File is already openedFILE-020WARN Illegal file sizeFILE-021WARN End of file

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 →