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ABB Error 50427Joint not synchronized after calibration

Error / Erreur

🇫🇷 Joint not synchronized after calibration

ABB — CATALOGUE PRODUCTION

ABB 50427 (“Joint not synchronized after calibration”): Joint not synchronized after calibration — ABB robot hardware event on the Joint not synchronized after calibration (IRC5).

Updated 2026-08-29 · LogrobotLM reference

What it means · Ce que ça veut dire

Joint not synchronized after calibration — ABB robot hardware event on the Joint not synchronized after calibration (IRC5). Specific to this controller generation. Severity: Major. Field diagnosis below (French); your robot's own manual remains authoritative.

After fine calibration of joint arg witch is using alternative calibration position, the joint has not been moved to normal synchronize position for updating the revolution counter. The system will unsynchronize the joint next time the system makes a restart or power up. 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 Joint not synchronized after calibration, 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.
  • Clear the revolution counter in normal position for clearing revolution counter.

Frequently asked · Questions fréquentes

What does ABB error 50427 mean?
ABB 50427 (“Joint not synchronized after calibration”): Joint not synchronized after calibration — ABB robot hardware event on the Joint not synchronized after calibration (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 50427?
Inspect the Joint not synchronized after calibration, 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 →