ABB Error 516 — Welding fault
Warning / Avertissement🇫🇷 Soudage
GÉNÉRATION S2 / S3 — CODES HISTORIQUES (5xx & SOUS-CODES)
ABB 516 (“Welding fault”): Welding fault — ABB robot hardware event on the welding (S2/S3). Likely part: Sécurité (safety).
Updated 2026-08-29 · LogrobotLM reference
What it means · Ce que ça veut dire
Welding fault — ABB robot hardware event on the welding (S2/S3). Specific to this controller generation. Severity: Warning. 3 documented variants of this code. Field diagnosis below (French); your robot's own manual remains authoritative.
Ce code se décline en 3 variantes (S2/S3). Cas principal : Défaut logique d'ajustement: soudage non exécuté ou numéro modifié.
What to check · Que vérifier
- Inspect the welding, its wiring and connections first.
- Match this code against your robot's event-log timeline before swapping parts.
- Follow the French field checks below — they are the tested sequence for this fault.
- Attendre que l'opération de soudage soit terminée.
- Essayer à nouveau.
- À savoir : Défaut de logique de process de soudure d'époque.
Part to check / replace · Pièce à contrôler / remplacer
ABB 516 points to the hardware below — start here before ordering. · 516 met en cause l'organe ci-dessous : commencez par là.
Tap a part for every code that points to it — and verify the exact variant for your controller before ordering. · Touchez une pièce pour tous les codes qui la citent ; vérifiez la variante exacte avant commande.
Frequently asked · Questions fréquentes
- What does ABB error 516 mean?
- ABB 516 (“Welding fault”): Welding fault — ABB robot hardware event on the welding (S2/S3). Specific to this controller generation. Severity: Warning. 3 documented variants of this code. Field diagnosis below (French); your robot's own manual remains authoritative.
- How do you troubleshoot ABB error 516?
- Inspect the welding, its wiring and connections first. Match this code against your robot's event-log timeline before swapping parts. Follow the French field checks below — they are the tested sequence for this fault.
- Which part is involved in ABB 516?
- 516 points to Sécurité (safety). Confirm the real cause against the robot backup before replacing a part.
Related codes / Codes liés
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 →