LogrobotLM

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FANUC Alarm HOST-174 — WARN DNS: Format or Recovery Error

FANUC HOST-174 (“WARN DNS: Format or Recovery Error”): DNS Recovery Error. First check: Verify that the host name and local domain name and formated correctly.

Updated 2026-09-17 · LogrobotLM reference

Description

DNS Recovery Error.

Remedy

Verify that the host name and local domain name and formated correctly. Verify that your server supports recursive queries. Verify that your server grants access to your robot.

Related codes

HOST-172WARN DNS: Host Not FoundHOST-173WARN DNS: Server FailureHOST-175WARN DNS: Server Has No AddressHOST-176WARN DNS: Configuration 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 →