LogrobotLM — AI fault diagnosis for ABB · KUKA · FANUC robots. It reads your robot backup in your browser (never uploaded) and pinpoints the fault. Try it free → · Le diagnostic IA qui lit la sauvegarde de votre robot, sans rien téléverser.

FANUC Alarm SRVO-220SDI fuse blown

FANUC SRVO-220 (“SDI fuse blown”): The fuse for SDI has blown. First check: Replace the fuse on the main board or main board itself. Likely part: Main board (Main CPU board) +1 more.

Updated 2026-08-29 · LogrobotLM reference

Description

The fuse for SDI has blown.

Remedy · Remède

Replace the fuse on the main board or main board itself. Refer to the Mate Controller Maintenance Manual for more information.

Part to check / replace · Pièce à contrôler / remplacer

FANUC SRVO-220 points to the hardware below — start here before ordering. · SRVO-220 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 FANUC alarm SRVO-220 mean?
FANUC SRVO-220 (“SDI fuse blown”): The fuse for SDI has blown.
How do you troubleshoot FANUC alarm SRVO-220?
Replace the fuse on the main board or main board itself. Refer to the Mate Controller Maintenance Manual for more information.
Which part is involved in FANUC SRVO-220?
SRVO-220 points to Main board (Main CPU board), Fuse (Fuse). Confirm the real cause against the robot backup before replacing a part.

Related codes / Codes liés

Same hardware involved / Même matériel en cause

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 →