LogrobotLM

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FANUC Alarm ARC-128 — J motion during stitch weld

FANUC ARC-128 (“J motion during stitch weld”): Joint motions are not permitted in a Stitch Weld. First check: Edit the motion type.

Updated 2026-08-29 · LogrobotLM reference

Description

Joint motions are not permitted in a Stitch Weld.

Remedy · Remède

Edit the motion type.

Frequently asked · Questions fréquentes

What does FANUC alarm ARC-128 mean?
FANUC ARC-128 (“J motion during stitch weld”): Joint motions are not permitted in a Stitch Weld.
How do you troubleshoot FANUC alarm ARC-128?
Edit the motion type.

Related codes / Codes liés

ARC-126Bad stitch weld or pitch lengthARC-127Cannot change stitch schedulesARC-140MCC I/O parameter wrong(E:%d, %d)ARC-141MCC stick detected(E:%d)

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 →