ABB Error 37220 — HV Interlock chain 1 feedback conflict

What it means · Ce que ça veut dire

HV Interlock chain 1 feedback conflict — ABB robot hardware event on the HV Interlock chain 1 feedback conflict (IRC5). Specific to this controller generation. Severity: Major. Field diagnosis below (French); your robot's own manual remains authoritative.

Safety interface board (SIB) and manipulator interface board (MIB) arg report divergence on high voltage (HV) interlock chain 1 feedback signals. The system is in system halt status. 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 1 feedback 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.
• Check cables and connections.

Frequently asked · Questions fréquentes

What does ABB error 37220 mean?

ABB 37220 (“HV Interlock chain 1 feedback conflict”): HV Interlock chain 1 feedback conflict — ABB robot hardware event on the HV Interlock chain 1 feedback 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 37220?

Inspect the HV Interlock chain 1 feedback 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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