ABB Error 20594 — Communication fault between PIB and MC

What it means · Ce que ça veut dire

Communication fault between PIB and MC — ABB robot hardware event on the Communication fault between PIB and MC (IRC5). Specific to this controller generation. Severity: Major. Field diagnosis below (French); your robot's own manual remains authoritative.

Process Interface Board (PIB) has detected a communication fault towards Main Computer (MC). The system goes to system failure 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 Communication fault between PIB and MC, 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 Broken Ethernet cable between PIB and MC.
• - 2 High network load.
• Check Ethernet cable between PIB and MC.
• Check MC.
• Restart the controller.

Frequently asked · Questions fréquentes

What does ABB error 20594 mean?

ABB 20594 (“Communication fault between PIB and MC”): Communication fault between PIB and MC — ABB robot hardware event on the Communication fault between PIB and MC (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 20594?

Inspect the Communication fault between PIB and MC, 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