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FANUC Alarm HOST-146 — WARN Bad address for Comm Tag

FANUC HOST-146 (“WARN Bad address for Comm Tag”): A bad address has been detected. First check: Verify the tag has a supported protocol then UNDEFINE and DEFINE the Comm Tag

Updated 2026-09-17 · LogrobotLM reference

Description

A bad address has been detected.

Remedy

Verify the tag has a supported protocol then UNDEFINE and DEFINE the Comm Tag

Related codes

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 →