ABB Error 90222 — Limit switch conflict

What it means · Ce que ça veut dire

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

Only one of the two limit switch chains was opened. 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 Limit switch conflict, 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 : Any of the switches connected to the limit switch chain may be faulty or not correctly connected, causing only one channel to close.
• The limit switch chain is described in the Trouble Shooting Manual, IRC5.
• Check cables and connections.
• Check other event messages occurring at the same time to determine which switch caused the fault.
• Make sure all switches are working correctly.

Frequently asked · Questions fréquentes

What does ABB error 90222 mean?

ABB 90222 (“Limit switch conflict”): Limit switch conflict — ABB robot hardware event on the Limit switch conflict (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 90222?

Inspect the Limit switch conflict, 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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