ABB Error 20545 — HV Interlock chain conflict from SIB

What it means · Ce que ça veut dire

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

Only one of the two high voltage chains was opened. Reported from SIB. ? 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 chain conflict from SIB, 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.

Frequently asked · Questions fréquentes

What does ABB error 20545 mean?

ABB 20545 (“HV Interlock chain conflict from SIB”): HV Interlock chain conflict from SIB — ABB robot hardware event on the HV Interlock chain conflict from SIB (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 20545?

Inspect the HV Interlock chain conflict from SIB, 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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