How do you troubleshoot ABB error 20223?

Inspect the emergency-stop chain (double canal), 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 20223?

20223 points to DSQC 125 (relay / safety board), Chaîne d'arrêt d'urgence (double canal) (emergency-stop chain (double canal)). Confirm the real cause against the robot backup before replacing a part.

ABB Error 20223 — Emergency stop conflict

Error / Erreur

🇫🇷 Chaîne d'arrêt d'urgence (double canal)

SÉCURITÉ & CHAÎNES CÂBLÉES (20xxx)

ABB 20223 (“Emergency stop conflict”): Emergency stop conflict — ABB robot hardware event on the emergency-stop chain (double canal) (IRC5 / S4C+). Likely part: DSQC 125 (relay / safety board) +1 more.

Updated 2026-08-29 · LogrobotLM reference

What it means · Ce que ça veut dire

Emergency stop conflict — ABB robot hardware event on the emergency-stop chain (double canal) (IRC5 / S4C+). Seen across controller generations. Severity: Critical. Field diagnosis below (French); your robot's own manual remains authoritative.

Emergency stop conflict : un seul des deux canaux de la chaîne d'arrêt d'urgence s'est ouvert. Le système détecte une discordance entre les deux voies redondantes.

What to check · Que vérifier

Inspect the emergency-stop chain (double canal), 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.
Vérifier câbles et connexions de la chaîne ES.
Lire les autres messages du journal survenus au même instant pour identifier le contact fautif.
Tester chaque interrupteur ES.
Remplacer le contact ou le boîtier défaillant.
À savoir : Équivalent moderne des défauts de carte à relais DSQC 125/126 des baies S2/S3. Sur Omnicore, remonte via le Safety Controller (9xxxx).

Part to check / replace · Pièce à contrôler / remplacer

ABB 20223 points to the hardware below — start here before ordering. · 20223 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 20223 mean?: ABB 20223 (“Emergency stop conflict”): Emergency stop conflict — ABB robot hardware event on the emergency-stop chain (double canal) (IRC5 / S4C+). Seen across controller generations. Severity: Critical. Field diagnosis below (French); your robot's own manual remains authoritative.
How do you troubleshoot ABB error 20223?: Inspect the emergency-stop chain (double canal), 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 20223?: 20223 points to DSQC 125 (relay / safety board), Chaîne d'arrêt d'urgence (double canal) (emergency-stop chain (double canal)). Confirm the real cause against the robot backup before replacing a part.

Related codes / Codes liés

20206General stop open 20313IOC EN supervision fault 20314AXC EN supervision fault

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 →