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 SEAL-321 — Needle stroke limit (E%d)

FANUC SEAL-321 (“Needle stroke limit (E%d)”): Target position of Servo Sealing Gun needle is out of range. First check: No action is required.

Updated 2026-08-29 · LogrobotLM reference

Description

Target position of Servo Sealing Gun needle is out of range.

Remedy · Remède

No action is required. The target position will be changed to the stroke limit.

Frequently asked · Questions fréquentes

What does FANUC alarm SEAL-321 mean?
FANUC SEAL-321 (“Needle stroke limit (E%d)”): Target position of Servo Sealing Gun needle is out of range.
How do you troubleshoot FANUC alarm SEAL-321?
No action is required. The target position will be changed to the stroke limit.

Related codes / Codes liés

SEAL-319SSG servo not ready (E%d)SEAL-320Needle mastering incomplete (E%d)SEAL-322Q-N/V setup incomplete (E%d)SEAL-323Q-N/V data error (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 →