ABB Error 20159 — No System Output signal

What it means · Ce que ça veut dire

No System Output signal — ABB robot hardware event on the No System Output signal (IRC5). Specific to this controller generation. Severity: Major. Field diagnosis below (French); your robot's own manual remains authoritative.

A System Output has been configured to an I/O-signal that does not exist. System Output: arg . Signal Name: arg . 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 No System Output signal, 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.
• Add signal arg to eio.cfg or remove System Output arg from eio.cfg.
• For every System Output a signal must be configured.

Frequently asked · Questions fréquentes

What does ABB error 20159 mean?

ABB 20159 (“No System Output signal”): No System Output signal — ABB robot hardware event on the No System Output signal (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 20159?

Inspect the No System Output signal, 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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