ABB Error 37201 — Power fault: 24V Fail-safe supply

What it means · Ce que ça veut dire

Power fault: 24V Fail-safe supply — ABB robot hardware event on the Power fault: 24V Fail-safe supply (IRC5). Specific to this controller generation. Severity: Major. Field diagnosis below (French); your robot's own manual remains authoritative.

Power fault on 24V fail-safe supply. Feedback from safety interface board (SIB). 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 Power fault: 24V Fail-safe supply, 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.
• Check power supply.

Frequently asked · Questions fréquentes

What does ABB error 37201 mean?

ABB 37201 (“Power fault: 24V Fail-safe supply”): Power fault: 24V Fail-safe supply — ABB robot hardware event on the Power fault: 24V Fail-safe supply (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 37201?

Inspect the Power fault: 24V Fail-safe supply, 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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