LogrobotLM

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FANUC Alarm HOST-144 — WARN Comm Tag error

FANUC HOST-144 (“WARN Comm Tag error”): The Comm Tag either does not have a protocol defined or if required does not have a port assigned. First check: DEFINE a protocol to the Comm Tag or assign a port.

Updated 2026-09-17 · LogrobotLM reference

Description

The Comm Tag either does not have a protocol defined or if required does not have a port assigned.

Remedy

DEFINE a protocol to the Comm Tag or assign a port.

Related codes

HOST-142WARN Connection errorHOST-143WARN Comm port cannot be closedHOST-145WARN Permission deniedHOST-146WARN Bad address for Comm Tag

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 →