LogrobotLM

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FANUC Alarm FRSY-004 — WARN RAM disk must be mounted

FANUC FRSY-004 (“WARN RAM disk must be mounted”): Copying a file to the FROM disk requires that the RAM disk be mounted with enough memory available to temporarily contain the file. First check: Mount the RAM disk before specifying the command.

Updated 2026-09-17 · LogrobotLM reference

Description

Copying a file to the FROM disk requires that the RAM disk be mounted with enough memory available to temporarily contain the file.

Remedy

Mount the RAM disk before specifying the command.

Related codes

FRSY-002WARN Device not formattedFRSY-003WARN Invalid parameterFRSY-005WARN Device not mountedFRSY-006WARN Device is already mounted

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 →