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FANUC Alarm MENT-012 — Relay-link TX length abnormal

FANUC MENT-012 (“Relay-link TX length abnormal”): The Relay-link TX length is abnormal. First check: Check ME-NET's system variable.

Updated 2026-08-29 · LogrobotLM reference

Description

The Relay-link TX length is abnormal.

Remedy · Remède

Check ME-NET's system variable.

Frequently asked · Questions fréquentes

What does FANUC alarm MENT-012 mean?
FANUC MENT-012 (“Relay-link TX length abnormal”): The Relay-link TX length is abnormal.
How do you troubleshoot FANUC alarm MENT-012?
Check ME-NET's system variable.

Related codes / Codes liés

MENT-010Type 3 buffer overflowMENT-011Data-link TX length abnormalMENT-013Register-link TX length abnormalMENT-014Relay-link RX offset abnormal

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. · Informations indicatives issues du terrain — le manuel du constructeur et ses procédures de sécurité font foi. Ne shuntez jamais un organe de sécurité ; consignez (LOTO) avant toute intervention physique. How this reference is built →