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FANUC Alarm ARC-034 — STOPL Task does not control welding (%s^4,%d^5)

FANUC ARC-034 (“STOPL Task does not control welding (%s^4,%d^5)”): A task which does not have weld control attempted to execute an Arc Start or an Arc End instruction. First check: Allow the task which has weld control to end or abort before attempting to weld with another task.

Updated 2026-08-29 · LogrobotLM reference

Description

A task which does not have weld control attempted to execute an Arc Start or an Arc End instruction. Only one task is permitted to have weld control.

Remedy · Remède

Allow the task which has weld control to end or abort before attempting to weld with another task.

Frequently asked · Questions fréquentes

What does FANUC alarm ARC-034 mean?
FANUC ARC-034 (“STOPL Task does not control welding (%s^4,%d^5)”): A task which does not have weld control attempted to execute an Arc Start or an Arc End instruction. Only one task is permitted to have weld control.
How do you troubleshoot FANUC alarm ARC-034?
Allow the task which has weld control to end or abort before attempting to weld with another task.

Related codes / Codes liés

ARC-032STOPL Weld stopped by single step (%s^4,%d^5)ARC-033STOPL Override must be 100%% to weld (%s^4,%d^5)ARC-035STOPL Equipment number isn't set (%s^4,%d^5)ARC-036STOPL Such equipment mask isn't supported (%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 →