ABB Error 34319 — Drive Unit / cooling fault
Error / Erreur🇫🇷 Drive Unit / Refroidissement
ENTRAÎNEMENT : REDRESSEUR, DC-LINK, BLEEDER, ENERGY BANK (34xxx, 36xxx, 386xx S4C+)
ABB 34319 (“Drive Unit / cooling fault”): Drive Unit / cooling fault — ABB robot hardware event on the Drive Unit / cooling (IRC5). Likely part: Drive Unit / Refroidissement (Drive Unit / cooling).
Updated 2026-08-29 · LogrobotLM reference
What it means · Ce que ça veut dire
Drive Unit / cooling fault — ABB robot hardware event on the Drive Unit / cooling (IRC5). Seen across controller generations. Severity: Critical. Field diagnosis below (French); your robot's own manual remains authoritative.
Erreur critique non spécifiée de la Drive Unit, typiquement associée à surchauffe ou court-circuit.
What to check · Que vérifier
- Inspect the Drive Unit / cooling, 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.
- Contrôler ventilateurs, dissipateurs, température ambiante, surcharge/couple, accélérations, câbles, connecteurs et moteur.
- À savoir : Défaut matériel générique de Drive Unit; forte valeur diagnostique lorsqu’il accompagne d’autres erreurs 34xxx.
Part to check / replace · Pièce à contrôler / remplacer
ABB 34319 points to the hardware below — start here before ordering. · 34319 met en cause l'organe ci-dessous : commencez par là.
Tap a part for every code that points to it — and verify the exact variant for your controller before ordering. · Touchez une pièce pour tous les codes qui la citent ; vérifiez la variante exacte avant commande.
Frequently asked · Questions fréquentes
- What does ABB error 34319 mean?
- ABB 34319 (“Drive Unit / cooling fault”): Drive Unit / cooling fault — ABB robot hardware event on the Drive Unit / cooling (IRC5). Seen across controller generations. Severity: Critical. Field diagnosis below (French); your robot's own manual remains authoritative.
- How do you troubleshoot ABB error 34319?
- Inspect the Drive Unit / cooling, 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.
- Which part is involved in ABB 34319?
- 34319 points to Drive Unit / Refroidissement (Drive Unit / cooling). Confirm the real cause against the robot backup before replacing a part.
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 →