ABB Error 39470 — Power Semiconductor Warning

What it means · Ce que ça veut dire

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

The power seminconductor is approaching overload for joint arg, in drive unit number arg, drive module arg . - 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 Semiconductor 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 : The motor load may be too high, the motor may have stalled (maybe due to a collision), the motor load may be too high or there may not be enough cooling.
• - 1) Check that the robot has not collided.
• - 2) Check that the fans are running and that the air flow is not obstructed.
• - 3) Check that the ambient temperature does not exceed the cabinet rating.
• - 4) If the system contains external axes then check that motors are not too large for the drive units.

Frequently asked · Questions fréquentes

What does ABB error 39470 mean?

ABB 39470 (“Power Semiconductor Warning”): Power Semiconductor Warning — ABB robot hardware event on the Power Semiconductor 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 39470?

Inspect the Power Semiconductor 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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