FANUC Alarm MARL-001 — WARN Data in use by Robot
FANUC MARL-001 (“WARN Data in use by Robot”): User tried to change data that was in use by robot First check: This is a warning message.
Updated 2026-09-17 · LogrobotLM reference
Description
User tried to change data that was in use by robot
Remedy
This is a warning message. In order to change data, in this case, you must first ABORT
Related codes
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 →