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ABB Error 71393Error when allocating generic size

Error / Erreur

🇫🇷 Error when allocating generic size

ABB — CATALOGUE PRODUCTION

ABB 71393 (“Error when allocating generic size”): Error when allocating generic size — ABB robot hardware event on the Error when allocating generic size (IRC5).

Updated 2026-08-29 · LogrobotLM reference

What it means · Ce que ça veut dire

Error when allocating generic size — ABB robot hardware event on the Error when allocating generic size (IRC5). Specific to this controller generation. Severity: Major. Field diagnosis below (French); your robot's own manual remains authoritative.

Failed to allocate generic arg size (-1) on DeviceNet unit <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 Error when allocating generic size, 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 : The DeviceNet unit <arg> cannot be configured with unit type DN\_GENERIC or with a generic arg size (-1) Update your current unit type configuration with new arg size.
  • Do not use DN\_GENERIC unit type.

Frequently asked · Questions fréquentes

What does ABB error 71393 mean?
ABB 71393 (“Error when allocating generic size”): Error when allocating generic size — ABB robot hardware event on the Error when allocating generic size (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 71393?
Inspect the Error when allocating generic size, 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 →