LogrobotLM

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FANUC Alarm HOST-165 — WARN EXMG: Internal Error

FANUC HOST-165 (“WARN EXMG: Internal Error”): Error in Explicit Messsaging Task. First check: Unrecoverable - Contact Help Desk.

Updated 2026-09-17 · LogrobotLM reference

Description

Error in Explicit Messsaging Task.

Remedy

Unrecoverable - Contact Help Desk.

Related codes

HOST-163WARN EXMG: Invalid Buffer SizeHOST-164WARN EXMG: Read PendingHOST-166WARN EXMG: Write PendingHOST-167WARN EXMG: Connection Error

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 →