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FANUC Alarm MENT-005 — Communication CPU LSI abnormal

FANUC MENT-005 (“Communication CPU LSI abnormal”): Communication CPU RAM is abnormal. First check: Check ME-NET board

Updated 2026-09-17 · LogrobotLM reference

Description

Communication CPU RAM is abnormal.

Remedy

Check ME-NET board

Related codes

MENT-003Communication CPU ROM abnormalMENT-004Communication CPU RAM abnormalMENT-006More than one taken occuredMENT-007Duplicate address was detected

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 →