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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 FRCE-380 — Program copy failed(ROM->RAM) (F:%d^1)

FANUC FRCE-380 (“Program copy failed(ROM->RAM) (F:%d^1)”): Sensor board initialization failed. First check: 1. Turn the controller OFF, then ON again. Likely part: Sensor board (Sensor interface board).

Updated 2026-08-29 · LogrobotLM reference

Description

Sensor board initialization failed.

Remedy · Remède

1. Turn the controller OFF, then ON again. If this alarm occurs again, go to the next step. 2. Replace the EPROM. If this alarm occurs again, go to the next step. 3. Replace the sensor board.

Part to check / replace · Pièce à contrôler / remplacer

FANUC FRCE-380 points to the hardware below — start here before ordering. · FRCE-380 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 FRCE-380 mean?
FANUC FRCE-380 (“Program copy failed(ROM->RAM) (F:%d^1)”): Sensor board initialization failed.
How do you troubleshoot FANUC alarm FRCE-380?
1. Turn the controller OFF, then ON again. If this alarm occurs again, go to the next step. 2. Replace the EPROM. If this alarm occurs again, go to the next step. 3. Replace the sensor board.
Which part is involved in FANUC FRCE-380?
FRCE-380 points to Sensor board (Sensor interface board). Confirm the real cause against the robot backup before replacing a part.

Related codes / Codes liés

FRCE-328Illegal F/C motion group order (F:%d^1)FRCE-329Timer variable init. error (F:%d^1)FRCE-381F/S SLC2 error(STATERR) (F:%d^1)FRCE-382F/S SLC2 error(BITERR) (F:%d^1)

Same hardware involved / Même matériel en cause

FRCE-152Sensor boardFRCE-153Sensor boardFRCE-154Sensor boardFRCE-155Sensor board

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 →