LogrobotLM

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FANUC Alarm HOST-147 — WARN Block device required

FANUC HOST-147 (“WARN Block device required”): The selected protocol requires a device port. First check: First ensure the Port has No Use from Port Init Setup.

Updated 2026-09-17 · LogrobotLM reference

Description

The selected protocol requires a device port.

Remedy

First ensure the Port has No Use from Port Init Setup. Then assign it to the selected Comm Tag.

Related codes

HOST-145WARN Permission deniedHOST-146WARN Bad address for Comm TagHOST-148WARN Mount device busyHOST-149WARN No such device

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 →