FANUC Alarm DNET-115 — WARN Invalid I/O connection attempt
FANUC DNET-115 (“WARN Invalid I/O connection attempt”): A device does not support the requested I/O connection(s). First check: Check the device documentation to ensure that the requested I/O connection is supported.
Updated 2026-09-17 · LogrobotLM reference
Description
A device does not support the requested I/O connection(s). and cannot communicate with devices.
Remedy
Check the device documentation to ensure that the requested I/O connection is supported.
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 →