ABB Error 20528 — HV Interlock input conflict

What it means · Ce que ça veut dire

HV Interlock input conflict — ABB robot hardware event on the HV Interlock input 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 input signals in the high voltage chains is opened. Paint enable chain is open. 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 HV Interlock input 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.
• Please check the two-channel safety guard that caused the status conflict.

Frequently asked · Questions fréquentes

What does ABB error 20528 mean?

ABB 20528 (“HV Interlock input conflict”): HV Interlock input conflict — ABB robot hardware event on the HV Interlock input 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 20528?

Inspect the HV Interlock input 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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