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ABB Error 90312 — Safety chain / Axis Computer / Panel Board fault

Error / Erreur

🇫🇷 Chaîne de sécurité / Axis Computer / Panel Board

CHAÎNES DE SÉCURITÉ SUPERVISÉES & SAFETY CONTROLLER (9xxxx)

ABB 90312 (“Safety chain / Axis Computer / Panel Board fault”): Safety chain / Axis Computer / Panel Board fault — ABB robot hardware event on the safety chain / Axis Computer / Panel Board (IRC5). Likely part: Chaîne de sécurité / Axis Computer / Panel Board (safety chain / Axis Computer / Panel Board).

Updated 2026-08-29 · LogrobotLM reference

What it means · Ce que ça veut dire

Safety chain / Axis Computer / Panel Board fault — ABB robot hardware event on the safety chain / Axis Computer / Panel Board (IRC5). Seen across controller generations. Severity: Critical. Field diagnosis below (French); your robot's own manual remains authoritative.

Enable 2 Open: le circuit Enable 2 surveillant l'Axis Computer est ouvert; le système passe en SYS HALT.

What to check · Que vérifier

  • Inspect the safety chain / Axis Computer / Panel Board, 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.
  • Contrôler toutes les connexions vers l'Axis Computer et les câbles du système de sécurité.
  • Vérifier la continuité de la chaîne Enable 2 et les éventuels raccordements d'une ancienne configuration Multi-Move/esclave.
  • À savoir : Défaut de chaîne de sécurité/liaison matériel. Sur des IRC5 ayant changé de configuration, un ancien câblage d'armoire esclave peut provoquer l'ouverture d'Enable 2.

Part to check / replace · Pièce à contrôler / remplacer

ABB 90312 points to the hardware below — start here before ordering. · 90312 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 90312 mean?
ABB 90312 (“Safety chain / Axis Computer / Panel Board fault”): Safety chain / Axis Computer / Panel Board fault — ABB robot hardware event on the safety chain / Axis Computer / Panel Board (IRC5). Seen across controller generations. Severity: Critical. Field diagnosis below (French); your robot's own manual remains…
How do you troubleshoot ABB error 90312?
Inspect the safety chain / Axis Computer / Panel Board, 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 90312?
90312 points to Chaîne de sécurité / Axis Computer / Panel Board (safety chain / Axis Computer / Panel Board). Confirm the real cause against the robot backup before replacing a part.

Related codes / Codes liés

90200Limit switch opened by SC90201Limit switch open90202Emergency stop open

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 →