FANUC Alarm HOST-309 — Please set CNC No.…
Manufacturer wording — Please set CNC No.%d
The manual prints placeholders; your controller fills them in with the real group, axis or number.
FANUC HOST-309 (“Please set CNC No.…”): The CNC No. First check: Enter the CNC No.
Updated 2026-09-17 · LogrobotLM reference
Description
The CNC No. is not set.
Remedy
Enter the CNC No.
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 →