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FANUC Alarm HOST-146WARN 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 2026-08-29 · LogrobotLM reference

Description

A bad address has been detected.

Remedy · Remède

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

Frequently asked · Questions fréquentes

What does FANUC alarm HOST-146 mean?
FANUC HOST-146 (“WARN Bad address for Comm Tag”): A bad address has been detected.
How do you troubleshoot FANUC alarm HOST-146?
Verify the tag has a supported protocol then UNDEFINE and DEFINE the Comm Tag

Related codes / Codes liés

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. · Informations indicatives issues du terrain — le manuel du constructeur et ses procédures de sécurité font foi. Ne shuntez jamais un organe de sécurité ; consignez (LOTO) avant toute intervention physique. How this reference is built →