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FANUC Alarm MHND-166 — WARN Status Menu does not exist

FANUC MHND-166 (“WARN Status Menu does not exist”): A Status Macro used a string name for a menu that does not exist. First check: Check the MACRO call in the TP program.

Updated 2026-09-17 · LogrobotLM reference

Description

A Status Macro used a string name for a menu that does not exist.

Remedy

Check the MACRO call in the TP program.

Related codes

MHND-164WARN … Illegal typeMHND-165WARN … missingMHND-200WARN PLC not reading alarm outputsMHND-201WARN Error:too many entries in alarm table

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 →