FANUC Alarm BELL-090 — WARN Cannot calibrate when bypassed
FANUC BELL-090 (“WARN Cannot calibrate when bypassed”): An attempt was made to calibrate when the machines are bypassed. First check: Unbypass the machines and rerun the auto calibration procedure.
Updated 2026-09-17 · LogrobotLM reference
Description
An attempt was made to calibrate when the machines are bypassed.
Remedy
Unbypass the machines and rerun the auto calibration procedure.
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 →