LogrobotLM

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 SPOT-377 — WARN Could not read file %s

FANUC SPOT-377 (“WARN Could not read file %s”): Could not read file %s The named file could not be read from the Device. First check: Make sure the file exists on the Device.

Updated 2026-08-29 · LogrobotLM reference

Description

Could not read file %s The named file could not be read from the Device.

Remedy · Remède

Make sure the file exists on the Device.

Frequently asked · Questions fréquentes

What does FANUC alarm SPOT-377 mean?
FANUC SPOT-377 (“WARN Could not read file %s”): Could not read file %s The named file could not be read from the Device.
How do you troubleshoot FANUC alarm SPOT-377?
Make sure the file exists on the Device.

Related codes / Codes liés

SPOT-375WARN Could not read stepper file %dSPOT-376WARN Could not read setup file %sSPOT-378WARN IWC ID jumpers incorrectSPOT-379WARN IWC slave busy

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 →