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ABB Error 508 — Floppy disk drive fault

Error / Erreur

🇫🇷 Lecteur Disquette

GÉNÉRATION S2 / S3 — CODES HISTORIQUES (5xx & SOUS-CODES)

ABB 508 (“Floppy disk drive fault”): Floppy disk drive fault — ABB robot hardware event on the Floppy disk drive (S2/S3). Likely part: Lecteur / Soudage (reader / welding).

Updated 2026-08-29 · LogrobotLM reference

What it means · Ce que ça veut dire

Floppy disk drive fault — ABB robot hardware event on the Floppy disk drive (S2/S3). Specific to this controller generation. Severity: Critical. 6 documented variants of this code. Field diagnosis below (French); your robot's own manual remains authoritative.

Ce code se décline en 6 variantes (S2/S3). Cas principal : Erreur dans le bloc de programmes enregistré (données corrompues ou illisibles).

What to check · Que vérifier

  • Inspect the Floppy disk drive, 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.
  • Enfoncer le bouton ARRET.
  • Sélectionner un autre numéro de bloc.
  • Remplacer la disquette.
  • À savoir : Obsolète. Sur IRC5, les programmes sont stockés en mémoire flash/SD.

Part to check / replace · Pièce à contrôler / remplacer

ABB 508 points to the hardware below — start here before ordering. · 508 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 508 mean?
ABB 508 (“Floppy disk drive fault”): Floppy disk drive fault — ABB robot hardware event on the Floppy disk drive (S2/S3). Specific to this controller generation. Severity: Critical. 6 documented variants of this code. Field diagnosis below (French); your robot's own manual remains authoritative.
How do you troubleshoot ABB error 508?
Inspect the Floppy disk drive, 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 508?
508 points to Lecteur / Soudage (reader / welding). Confirm the real cause against the robot backup before replacing a part.

Related codes / Codes liés

509Axis / resolver fault510CPU / PROM fault511Memory DSMB 125 fault

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 →