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 SPOT-272 — Illegal PX index

FANUC SPOT-272 (“Illegal PX index”): The PX index is invalid. First check: Document the events that led to the error, and call your FANUC or FANUC Robotics technical representative.

Updated 2026-08-29 · LogrobotLM reference

Description

The PX index is invalid.

Remedy · Remède

Document the events that led to the error, and call your FANUC or FANUC Robotics technical representative.

Frequently asked · Questions fréquentes

What does FANUC alarm SPOT-272 mean?
FANUC SPOT-272 (“Illegal PX index”): The PX index is invalid.
How do you troubleshoot FANUC alarm SPOT-272?
Document the events that led to the error, and call your FANUC or FANUC Robotics technical representative.

Related codes / Codes liés

SPOT-270Illegal equipment numberSPOT-271Illegal gun indexSPOT-273Illegal pressure profile stateSPOT-300Weld sim 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 →