LogrobotLM

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FANUC Alarm HOST-172 — WARN DNS: Host Not Found

FANUC HOST-172 (“WARN DNS: Host Not Found”): Domain Name Does Not exist First check: Make sure your host name and local domain name are correct.

Updated 2026-09-17 · LogrobotLM reference

Description

Domain Name Does Not exist

Remedy

Make sure your host name and local domain name are correct. Your DNS server may not have the. current host listed.

Related codes

HOST-170WARN EXMG: Invalid NameHOST-171WARN EXMG: Message TruncatedHOST-173WARN DNS: Server FailureHOST-174WARN DNS: Format or Recovery 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 →