ABB Error 90240 — Conflict between ENABLE signals

What it means · Ce que ça veut dire

Conflict between ENABLE signals — ABB robot hardware event on the Conflict between ENABLE signals (IRC5). Specific to this controller generation. Severity: Major. Field diagnosis below (French); your robot's own manual remains authoritative.

A switch in only one of the two enable chains was affected, without the other chain being affected. The system goes to status SYS HALT. 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 Conflict between ENABLE signals, 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 : There may be a loose signal connection on the safety system.
• The enable chain is described in the Trouble Shooting Manual and Circuit Diagram.
• Check cables and connections.
• Make sure all signal connectors on the safety system are securely connected.
• If there is no loose connection, replace the faulty board.

Frequently asked · Questions fréquentes

What does ABB error 90240 mean?

ABB 90240 (“Conflict between ENABLE signals”): Conflict between ENABLE signals — ABB robot hardware event on the Conflict between ENABLE signals (IRC5). Specific to this controller generation. Severity: Major. Field diagnosis below (French); your robot's own manual remains authoritative.

How do you troubleshoot ABB error 90240?

Inspect the Conflict between ENABLE signals, 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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