FANUC Alarm DNET-109 — WARN Bus not offline error
FANUC DNET-109 (“WARN Bus not offline error”): The board could not perform an operation because the bus is not off-line. First check: Take the board off-line and re-attempt the operation.
Updated 2026-09-17 · LogrobotLM reference
Description
The board could not perform an operation because the bus is not off-line.
Remedy
Take the board off-line and re-attempt the operation.
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 →