LogrobotLM

LogrobotLM — AI fault diagnosis for ABB · KUKA · FANUC robots. It reads your robot backup in your browser (never uploaded) and pinpoints the fault. Try it free → · Le diagnostic IA qui lit la sauvegarde de votre robot, sans rien téléverser.

FANUC Alarm BELL-040 — PAUS Illegal encoder multiplier

FANUC BELL-040 (“PAUS Illegal encoder multiplier”): Illegal encoder multiplier number. First check: Use a valid encoder multiplier number.

Updated 2026-08-29 · LogrobotLM reference

Description

Illegal encoder multiplier number.

Remedy · Remède

Use a valid encoder multiplier number.

Frequently asked · Questions fréquentes

What does FANUC alarm BELL-040 mean?
FANUC BELL-040 (“PAUS Illegal encoder multiplier”): Illegal encoder multiplier number.
How do you troubleshoot FANUC alarm BELL-040?
Use a valid encoder multiplier number.

Related codes / Codes liés

BELL-038WARN Encoder count rolloverBELL-039PAUS Bad tracking hardwareBELL-041PAUS Encoder not enabledBELL-042PAUS Encoder is disconnected

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. · Informations indicatives issues du terrain — le manuel du constructeur et ses procédures de sécurité font foi. Ne shuntez jamais un organe de sécurité ; consignez (LOTO) avant toute intervention physique. How this reference is built →