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FANUC Alarm ARC-021 — ABORT Program aborted while welding (%s^4,%d^5)

FANUC ARC-021 (“ABORT Program aborted while welding (%s^4,%d^5)”): A program was aborted while welding. First check: Check if weld controler is functioning correctly, or powered on.

Updated 2026-08-29 · LogrobotLM reference

Description

A program was aborted while welding.

Remedy · Remède

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

Frequently asked · Questions fréquentes

What does FANUC alarm ARC-021 mean?
FANUC ARC-021 (“ABORT Program aborted while welding (%s^4,%d^5)”): A program was aborted while welding.
How do you troubleshoot FANUC alarm ARC-021?
Check if weld controler is functioning correctly, or powered on.

Related codes / Codes liés

ARC-019STOPL Can't read arc detect input (%s^4,%d^5)ARC-020STOPL No plan data area availableARC-022WARN Weld AO scaling limit used (%s^4,%d^5)ARC-023STOPL Illegal arc schedule type (%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 →