ABB Error 31912 — Profibus-DP master/slave board failure
Error / Erreur🇫🇷 Profibus-DP master/slave board failure
ABB — CATALOGUE PRODUCTION
ABB 31912 (“Profibus-DP master/slave board failure”): Profibus-DP master/slave board failure — ABB robot hardware event on the Profibus-DP master/slave board failure (IRC5).
Updated 2026-08-29 · LogrobotLM reference
What it means · Ce que ça veut dire
Profibus-DP master/slave board failure — ABB robot hardware event on the Profibus-DP master/slave board failure (IRC5). Specific to this controller generation. Severity: Major. Field diagnosis below (French); your robot's own manual remains authoritative.
The Profibus-DP master/slave board did not start up correctly. No communication on the Profibus is possible. 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 Profibus-DP master/slave board failure, 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 Profibus-DP master/slave board hardware may be malfunctioning.
- Restart the system.
- Replace the Profibus-DP master/slave board if faulty.
Frequently asked · Questions fréquentes
- What does ABB error 31912 mean?
- ABB 31912 (“Profibus-DP master/slave board failure”): Profibus-DP master/slave board failure — ABB robot hardware event on the Profibus-DP master/slave board failure (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 31912?
- Inspect the Profibus-DP master/slave board failure, 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 →