ABB Error 39435 — Cannot find additional axis drive unit

What it means · Ce que ça veut dire

Cannot find additional axis drive unit — ABB robot hardware event on the Cannot find additional axis drive unit (IRC5). Specific to this controller generation. Severity: Major. Field diagnosis below (French); your robot's own manual remains authoritative.

The system cannot detect an additional axis drive for joint arg in drive module arg . System goes to SYS\_FAIL. 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 Cannot find additional axis drive unit, 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 : This can be due to: - 1 Having an additional axis configured but not having a drive unit in the drive module.
• - 2 Having an external drive unit but not connecting the cable to the X connector position on the main drive unit.
• - 3 Damaged cable between the additional axis drive and the main drive unit.
• Check the drive module contains enough additional axis drives.
• Check that the configuration key does not define more external drive units then are connected in the drive module Check the cable between the additional axis drive unit and to the main drive unit is correctly inserted in the right connector position.

Frequently asked · Questions fréquentes

What does ABB error 39435 mean?

ABB 39435 (“Cannot find additional axis drive unit”): Cannot find additional axis drive unit — ABB robot hardware event on the Cannot find additional axis drive unit (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 39435?

Inspect the Cannot find additional axis drive unit, 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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