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 PROG-040 — PAUSE Already locked by other task

FANUC PROG-040 (“PAUSE Already locked by other task”): Motion control for the specified group was already reserved by another program. First check: Check the other running programs to determine who has motion control.

Updated 2026-08-29 · LogrobotLM reference

Description

Motion control for the specified group was already reserved by another program.

Remedy · Remède

Check the other running programs to determine who has motion control.

Frequently asked · Questions fréquentes

What does FANUC alarm PROG-040 mean?
FANUC PROG-040 (“PAUSE Already locked by other task”): Motion control for the specified group was already reserved by another program.
How do you troubleshoot FANUC alarm PROG-040?
Check the other running programs to determine who has motion control.

Related codes / Codes liés

PROG-037WARN No data in the trace arrayPROG-039WARN locked, but not get mctlPROG-041WARN mctl denied because releasedPROG-042WARN Already released

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 →