Which part is involved in FANUC PRIO-093?

PRIO-093 points to Fuse (Fuse). Confirm the real cause against the robot backup before replacing a part.

FANUC Alarm PRIO-093 — Fuse blown Rack:%d Slot:%d

FANUC PRIO-093 (“Fuse blown Rack:%d Slot:%d”): Fuse on process I/O board is blown. First check: Please replace the fuse. Likely part: Fuse (Fuse).

Updated 2026-08-29 · LogrobotLM reference

Description

Fuse on process I/O board is blown.

Remedy · Remède

Please replace the fuse.

Part to check / replace · Pièce à contrôler / remplacer

FANUC PRIO-093 points to the hardware below — start here before ordering. · PRIO-093 met en cause l'organe ci-dessous : commencez par là.

FuseFuse· Fusible

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 PRIO-093 mean?: FANUC PRIO-093 (“Fuse blown Rack:%d Slot:%d”): Fuse on process I/O board is blown.
How do you troubleshoot FANUC alarm PRIO-093?: Please replace the fuse.
Which part is involved in FANUC PRIO-093?: PRIO-093 points to Fuse (Fuse). Confirm the real cause against the robot backup before replacing a part.

Related codes / Codes liés

PRIO-091Op panel comm error(ch:%d) %x, %x (hex)PRIO-092Force sensor comm error %x, %x (hex)PRIO-094Overload Rack:%d Slot:%d DO:%d-%d PRIO-095Overload %s

Same hardware involved / Même matériel en cause

SRVO-004Fuse SRVO-008Fuse SRVO-212Fuse SRVO-213Fuse

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 →