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FANUC Alarm HOST-303 — Not supported CNC

FANUC HOST-303 (“Not supported CNC”): The CNC is not suported. First check: Change the CNC to a supported type.

Updated 2026-09-17 · LogrobotLM reference

Description

The CNC is not suported.

Remedy

Change the CNC to a supported type.

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 →