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FANUC Alarm FLPY-009 — WARN Communications error

FANUC FLPY-009 (“WARN Communications error”): The protocol format was invalid. First check: Retry the operation.

Updated 2026-09-17 · LogrobotLM reference

Description

The protocol format was invalid.

Remedy

Retry 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 →