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FANUC Alarm HOST-307 — CNC No. is duplicated

FANUC HOST-307 (“CNC No. is duplicated”): You entered a duplicate CNC no. First check: Enter a CNC no.

Updated 2026-09-17 · LogrobotLM reference

Description

You entered a duplicate CNC no.

Remedy

Enter a CNC no. which is not already in use.

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 →