FANUC Alarm HOST-288 — SMB: DOS error: Access denied
FANUC HOST-288 (“SMB: DOS error: Access denied”): The PC server denied the robot controller access to a file, share, or directory path. First check: Verify your username and re-enter your password in the robot controller client tag setup screens.
Updated 2026-08-29 · LogrobotLM reference
Description
The PC server denied the robot controller access to a file, share, or directory path.
Remedy · Remède
Verify your username and re-enter your password in the robot controller client tag setup screens. Verify permissions have been properly set on the shared folder on the remote PC. If the problem persists, document the events that led to the error, and call your FANUC or FANUC Robotics technical representative.
Frequently asked · Questions fréquentes
- What does FANUC alarm HOST-288 mean?
- FANUC HOST-288 (“SMB: DOS error: Access denied”): The PC server denied the robot controller access to a file, share, or directory path.
- How do you troubleshoot FANUC alarm HOST-288?
- Verify your username and re-enter your password in the robot controller client tag setup screens. Verify permissions have been properly set on the shared folder on the remote PC. If the problem persists, document the events that led to the error, and call your FANUC or FANUC Robotics technical representative.
Related codes / Codes liés
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 →