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FANUC Alarm HOST-163 — WARN EXMG: Invalid Buffer Size

FANUC HOST-163 (“WARN EXMG: Invalid Buffer Size”): Invalid buffer size in call First check: Ensure correct buffer size

Updated 2026-08-29 · LogrobotLM reference

Description

Invalid buffer size in call

Remedy · Remède

Ensure correct buffer size

Frequently asked · Questions fréquentes

What does FANUC alarm HOST-163 mean?
FANUC HOST-163 (“WARN EXMG: Invalid Buffer Size”): Invalid buffer size in call
How do you troubleshoot FANUC alarm HOST-163?
Ensure correct buffer size

Related codes / Codes liés

HOST-161WARN FTP: need remote host nameHOST-162WARN FTP: Error on Ethernet Init.HOST-164WARN EXMG: Read PendingHOST-165WARN EXMG: Internal 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. · 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 →