ABB Error 34308 — Drive unit critical temperature error

What it means · Ce que ça veut dire

Drive unit critical temperature error — ABB robot hardware event on the Drive unit critical temperature error (IRC5). Specific to this controller generation. Severity: Major. Field diagnosis below (French); your robot's own manual remains authoritative.

The drive unit for joint arg has reached a critical high temperature level. The joint is connected to drive module arg with the drive unit at unit position arg and node arg . No operation will be possible until the fault is corrected. The system goes to Motors Off state with zero torque. 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 Drive unit critical temperature error, 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 cooling fans may be faulty or the air flow may be obstructed.
• - 2 The cooling fins are covered by dust reducing the cooling effect.
• - 3 The ambient temperature may be too high.
• - 4 The joint may be running with a too high torque for extended periods of time.
• Verify that the fans are running and that the air flow is not obstructed.

Frequently asked · Questions fréquentes

What does ABB error 34308 mean?

ABB 34308 (“Drive unit critical temperature error”): Drive unit critical temperature error — ABB robot hardware event on the Drive unit critical temperature error (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 34308?

Inspect the Drive unit critical temperature error, 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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