ABB Error 34309 — Drive transistor current too high

What it means · Ce que ça veut dire

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

The drive unit transistor current is too high for joint arg. 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. 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 transistor current too high, 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 configuration is incorrect.
• - 2 The axis load may be too high or the motor may have stalled (maybe due to a collision).
• 4.5 3 xxxx - 3 Short circuit between motor phases or ground.
• Check that the motor configuration is correct.
• Check that the robot has not collided.

Frequently asked · Questions fréquentes

What does ABB error 34309 mean?

ABB 34309 (“Drive transistor current too high”): Drive transistor current too high — ABB robot hardware event on the Drive transistor current too high (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 34309?

Inspect the Drive transistor current too high, 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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