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FANUC Alarm BELL-039 — PAUS Bad tracking hardware

FANUC BELL-039 (“PAUS Bad tracking hardware”): Bad tracking sensor hardware interface. First check: Check all sensor hardware, cables, and connections.

Updated 2026-08-29 · LogrobotLM reference

Description

Bad tracking sensor hardware interface.

Remedy · Remède

Check all sensor hardware, cables, and connections.

Frequently asked · Questions fréquentes

What does FANUC alarm BELL-039 mean?
FANUC BELL-039 (“PAUS Bad tracking hardware”): Bad tracking sensor hardware interface.
How do you troubleshoot FANUC alarm BELL-039?
Check all sensor hardware, cables, and connections.

Related codes / Codes liés

BELL-037PAUS Aux Position %s is undefinedBELL-038WARN Encoder count rolloverBELL-040PAUS Illegal encoder multiplierBELL-041PAUS Encoder not enabled

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 →