ABB Error 71109 — Interbus bus failure

What it means · Ce que ça veut dire

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

The control system has lost communication with the Interbus network. There is no error message from any Interbus board. Parts of the Interbus network will not be accessible, depending on the network topology and the nature of the fault. 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 Interbus bus failure, 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 : A number of errors may cause this.
• Further information may be found in the standard Interbus documentation.
• - 1) Make sure the Customer Power Supply unit, supplying the Interbus network with power, is working correctly.
• Replace any faulty unit.
• - 2) Make sure any fuses are correctly connected.

Frequently asked · Questions fréquentes

What does ABB error 71109 mean?

ABB 71109 (“Interbus bus failure”): Interbus bus failure — ABB robot hardware event on the Interbus bus failure (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 71109?

Inspect the Interbus bus failure, 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.

Related codes / Codes liés