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 ARC-008 — STOPL Power supply fault (%s^4,%d^5)

FANUC ARC-008 (“STOPL Power supply fault (%s^4,%d^5)”): A power fault input was detected during welding. First check: Check if weld controler is functioning correctly, or powered on.

Updated 2026-08-29 · LogrobotLM reference

Description

A power fault input was detected during welding.

Remedy · Remède

Check if weld controler is functioning correctly, or powered on.

Frequently asked · Questions fréquentes

What does FANUC alarm ARC-008 mean?
FANUC ARC-008 (“STOPL Power supply fault (%s^4,%d^5)”): A power fault input was detected during welding.
How do you troubleshoot FANUC alarm ARC-008?
Check if weld controler is functioning correctly, or powered on.

Related codes / Codes liés

ARC-006STOPL Wire fault (%s^4,%d^5)ARC-007STOPL Water fault (%s^4,%d^5)ARC-009STOPL Missing process IO boardARC-010STOPL Wire stick detected (%s^4,%d^5)

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 →