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FANUC Alarm FRCE-004 — Communication error

FANUC FRCE-004 (“Communication error”): The system cannot cammunicate with the force control board. First check: Please check the force control board.

Updated 2026-09-17 · LogrobotLM reference

Description

The system cannot cammunicate with the force control board.

Remedy

Please check the force control board.

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 →