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FANUC Alarm SYST-090 — WARN Machine lock forced off

FANUC SYST-090 (“WARN Machine lock forced off”): The system has forced machine lock to the off state. First check: This is an informational message.

Updated 2026-09-17 · LogrobotLM reference

Description

The system has forced machine lock to the off state.

Remedy

This is an informational message.

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 →