LogrobotLM

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FANUC Alarm ARC-072 — STOPL Illegal AMR packet

FANUC ARC-072 (“STOPL Illegal AMR packet”): Internal error. First check: Sometimes this error requires cycling the controller power.

Updated 2026-08-29 · LogrobotLM reference

Description

Internal error.

Remedy · Remède

Sometimes this error requires cycling the controller power.

Frequently asked · Questions fréquentes

What does FANUC alarm ARC-072 mean?
FANUC ARC-072 (“STOPL Illegal AMR packet”): Internal error.
How do you troubleshoot FANUC alarm ARC-072?
Sometimes this error requires cycling the controller power.

Related codes / Codes liés

ARC-057Cannot ramp t1=%d > t2=%dARC-058Wire stick is still detectedARC-084ABORT Application process is changed during weldingARC-085STOPL Incomplete of conversion factor setup

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 →