ABB Error 37003 — Power supply logique fault
Error / Erreur🇫🇷 Alimentation logique
ALIMENTATION, CONTACTEURS, FREINS & THERMIQUE MOTEUR (37xxx, 2025x)
ABB 37003 (“Power supply logique fault”): Power supply logique fault — ABB robot hardware event on the power supply logique (S4/S4C). Likely part: Alimentation logique (power supply logique).
Updated 2026-08-29 · LogrobotLM reference
What it means · Ce que ça veut dire
Power supply logique fault — ABB robot hardware event on the power supply logique (S4/S4C). Seen across controller generations. Severity: Critical. Field diagnosis below (French); your robot's own manual remains authoritative.
Tensions d'alimentation électrique +/- 15V du calculateur hors tolérances.
What to check · Que vérifier
- Inspect the power supply logique, 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.
- Vérifier l'unité d'alimentation de l'armoire de commande (Power supply) et les connecteurs physiques.
- À savoir : Deviendra les pannes d'alimentation logique d'armoire ou de carte CPU d'axes d'IRC5.
Part to check / replace · Pièce à contrôler / remplacer
ABB 37003 points to the hardware below — start here before ordering. · 37003 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 37003 mean?
- ABB 37003 (“Power supply logique fault”): Power supply logique fault — ABB robot hardware event on the power supply logique (S4/S4C). Seen across controller generations. Severity: Critical. Field diagnosis below (French); your robot's own manual remains authoritative.
- How do you troubleshoot ABB error 37003?
- Inspect the power supply logique, 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 37003?
- 37003 points to Alimentation logique (power supply logique). 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 →