FANUC Alarm BELL-073 — WARN Machine not mastered
FANUC BELL-073 (“WARN Machine not mastered”): Machine is not mastered. First check: Refer to mastering section in the SYSTEM R-J Controller Series Electrical Connection and Maintenance Manual.
Updated 2026-09-17 · LogrobotLM reference
Description
Machine is not mastered.
Remedy
Refer to mastering section in the SYSTEM R-J Controller Series Electrical Connection and Maintenance Manual.
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 →