What does FANUC alarm GUID-303 mean?

FANUC GUID-303 (“WARN Other task is running.”): Other task is running. Another motion task is running cannot start a new motion.

FANUC Alarm GUID-303 — WARN Other task is running.

FANUC GUID-303 (“WARN Other task is running.”): Other task is running. First check: Aborted the running task before executing a search motion.

Updated 2026-08-29 · LogrobotLM reference

Description

Other task is running. Another motion task is running cannot start a new motion.

Remedy · Remède

Aborted the running task before executing a search motion.

Frequently asked · Questions fréquentes

What does FANUC alarm GUID-303 mean?: FANUC GUID-303 (“WARN Other task is running.”): Other task is running. Another motion task is running cannot start a new motion.
How do you troubleshoot FANUC alarm GUID-303?: Aborted the running task before executing a search motion.

Related codes / Codes liés

GUID-301WARN Cannot update prostion reg GUID-302WARN Failed to run search motn.GUID-350WARN Invalid SoftWall: %s GUID-351WARN Cone[%d^2]: Bad SoftWall Type

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 →