ABB Error 39485 — Run chain close in motor off state

What it means · Ce que ça veut dire

Run chain close in motor off state — ABB robot hardware event on the Run chain close in motor off state (IRC5). Specific to this controller generation. Severity: Major. Field diagnosis below (French); your robot's own manual remains authoritative.

Run chain arg is open when system is in motor on state. The problem occurred in drive system arg . System goes to SYS\_HALT. 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 Run chain close in motor off state, 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 contactor for this run chain placed in the drive module has been pulled down manuanlly - 2) The contactor has been welded in close position.
• - 1) If the contactor is not released and stayes in pulled position, shut down the system and replace the contactor - 2) If the contactor has been pulled down manually, take this message as a warning only.

Frequently asked · Questions fréquentes

What does ABB error 39485 mean?

ABB 39485 (“Run chain close in motor off state”): Run chain close in motor off state — ABB robot hardware event on the Run chain close in motor off state (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 39485?

Inspect the Run chain close in motor off state, 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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