ABB Error 20231 — Delayed Emergency Stop due to circuit imbalance

What it means · Ce que ça veut dire

Delayed Emergency Stop due to circuit imbalance — ABB robot hardware event on the Delayed Emergency Stop due to circuit imbalance (IRC5). Specific to this controller generation. Severity: Major. Field diagnosis below (French); your robot's own manual remains authoritative.

The system has detected an imbalance in the two parallel Emergency Stop circuits. The system goes to status Emergency Stop after approximately 1 sec. Le texte constructeur de ce code n'existe qu'en anglais dans les manuels ABB dont il provient. Il est reproduit tel quel ci-dessus ; le manuel de votre robot fait foi.

What to check · Que vérifier

• Inspect the Delayed Emergency Stop due to circuit imbalance, 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.
• probable : The contact pair in any of the Emergency Stop buttons are not working correctly.
• Isolate the Emergency Stop button causing the conflict.
• Check the contact pair.
• Make sure all connections are tight.
• Replace the button if required.

Frequently asked · Questions fréquentes

What does ABB error 20231 mean?

ABB 20231 (“Delayed Emergency Stop due to circuit imbalance”): Delayed Emergency Stop due to circuit imbalance — ABB robot hardware event on the Delayed Emergency Stop due to circuit imbalance (IRC5). Specific to this controller generation. Severity: Major. Field diagnosis below (French); your robot's own manual…

How do you troubleshoot ABB error 20231?

Inspect the Delayed Emergency Stop due to circuit imbalance, 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.

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