LogrobotLM — AI fault diagnosis for ABB · KUKA · FANUC robots. It reads your robot backup in your browser (never uploaded) and pinpoints the fault. Try it free → · Le diagnostic IA qui lit la sauvegarde de votre robot, sans rien téléverser.

ABB Error 20284Wrong Signal Type For System Input

Error / Erreur

🇫🇷 Wrong Signal Type For System Input

ABB — CATALOGUE PRODUCTION

ABB 20284 (“Wrong Signal Type For System Input”): Wrong Signal Type For System Input — ABB robot hardware event on the Wrong Signal Type For System Input (IRC5).

Updated 2026-08-29 · LogrobotLM reference

What it means · Ce que ça veut dire

Wrong Signal Type For System Input — ABB robot hardware event on the Wrong Signal Type For System Input (IRC5). Specific to this controller generation. Severity: Major. Field diagnosis below (French); your robot's own manual remains authoritative.

The System Input arg is configured with an I/O-signal of wrong type. The I/O-signal arg is of type arg and this System Input requires an I/O-signal of type arg . 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 Wrong Signal Type For System Input, 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.
  • Change the configuration for the specified System Input.

Frequently asked · Questions fréquentes

What does ABB error 20284 mean?
ABB 20284 (“Wrong Signal Type For System Input”): Wrong Signal Type For System Input — ABB robot hardware event on the Wrong Signal Type For System Input (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 20284?
Inspect the Wrong Signal Type For System Input, 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

Indicative field information — the robot manufacturer's manual and safety procedures always prevail. Never bypass a safety device; apply lockout/tagout (LOTO) before any physical intervention. · Informations indicatives issues du terrain — le manuel du constructeur et ses procédures de sécurité font foi. Ne shuntez jamais un organe de sécurité ; consignez (LOTO) avant toute intervention physique. How this reference is built →