LogrobotLM

LogrobotLM — AI fault diagnosis for ABB · KUKA · FANUC robots. It reads your robot backup in your browser (never uploaded) and pinpoints the fault. Try it free → · Le diagnostic IA qui lit la sauvegarde de votre robot, sans rien téléverser.

FANUC Alarm HOST-171 — WARN EXMG: Message Truncated

FANUC HOST-171 (“WARN EXMG: Message Truncated”): Connection Buffer size small. First check: Reopen connection with correct buffer size.

Updated 2026-08-29 · LogrobotLM reference

Description

Connection Buffer size small.

Remedy · Remède

Reopen connection with correct buffer size.

Frequently asked · Questions fréquentes

What does FANUC alarm HOST-171 mean?
FANUC HOST-171 (“WARN EXMG: Message Truncated”): Connection Buffer size small.
How do you troubleshoot FANUC alarm HOST-171?
Reopen connection with correct buffer size.

Related codes / Codes liés

HOST-169WARN EXMG: Invalid PathHOST-170WARN EXMG: Invalid NameHOST-172WARN DNS: Host Not FoundHOST-173WARN DNS: Server Failure

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 →