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ABB Error 50353Failed to read data from encoder card

Error / Erreur

🇫🇷 Failed to read data from encoder card

ABB — CATALOGUE PRODUCTION

ABB 50353 (“Failed to read data from encoder card”): Failed to read data from encoder card — ABB robot hardware event on the Failed to read data from encoder card (IRC5).

Updated 2026-08-29 · LogrobotLM reference

What it means · Ce que ça veut dire

Failed to read data from encoder card — ABB robot hardware event on the Failed to read data from encoder card (IRC5). Specific to this controller generation. Severity: Major. Field diagnosis below (French); your robot's own manual remains authoritative.

The system has failed to read data from one encoder card. The tracking accuracy during acceleration and deceleration might be reduced. 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 Failed to read data from encoder card, 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 : Wrong unit name has probably been specified in the process parameter for arg .
  • - 1 Check that the correct unit name is specified in the process parameter I/O unit name for .

Frequently asked · Questions fréquentes

What does ABB error 50353 mean?
ABB 50353 (“Failed to read data from encoder card”): Failed to read data from encoder card — ABB robot hardware event on the Failed to read data from encoder card (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 50353?
Inspect the Failed to read data from encoder card, 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 →