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FANUC Alarm PFMS-003 — WARN Receive negative reply

FANUC PFMS-003 (“WARN Receive negative reply”): The robot received the negative confirmation or response. First check: Please check the host status.

Updated 2026-09-17 · LogrobotLM reference

Description

The robot received the negative confirmation or response.

Remedy

Please check the host status.

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 →