ABB Error 34304 — Motor current warning

What it means · Ce que ça veut dire

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

For joint arg, the current controller detected a too large current deviation for the motor. The joint is connected to drive module arg in the drive unit at unit position arg and node arg . Operation will be possible but system is close to a stopping error. 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 Motor current warning, 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 : - 1 The motor data in the configuration files may be wrong.
• - 2 The motor cables are not correctly connected or damaged.
• - 3 Short circuit in motor cable between phase to phase or phase to ground.
• - 4 The DC link voltage may be too low.
• - 5 The incoming mains voltage is not within specification.

Frequently asked · Questions fréquentes

What does ABB error 34304 mean?

ABB 34304 (“Motor current warning”): Motor current warning — ABB robot hardware event on the Motor current warning (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 34304?

Inspect the Motor current warning, 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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