ABB Error 90520 — Safety Controller Result Mismatch

What it means · Ce que ça veut dire

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

Different supervision results reported for the two channels in the safety controller for drive module arg . The safety controller will stop all robot movements. No full speed operation is possible until the mismatch has ceased. 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 Safety Controller Result Mismatch, 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 : One or more axes, points, or volumes are close to a zone or range border.
• In manual mode, jog away from the zone or range border.

Frequently asked · Questions fréquentes

What does ABB error 90520 mean?

ABB 90520 (“Safety Controller Result Mismatch”): Safety Controller Result Mismatch — ABB robot hardware event on the Safety Controller Result Mismatch (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 90520?

Inspect the Safety Controller Result Mismatch, 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.

Related codes / Codes liés