FANUC Alarm HOST-158 — WARN FTP: no connection available
FANUC HOST-158 (“WARN FTP: no connection available”): An error occurred in the networking software. First check: Consult your network administrator.
Updated 2026-09-17 · LogrobotLM reference
Description
An error occurred in the networking software.
Remedy
Consult your network administrator. If the error is not cleared, document the events that led to the error and call your FANUC Robotics technical representative.
Related codes
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. How this reference is built →