What does FANUC alarm HOST-102 mean?

FANUC HOST-102 (“WARN Block check error”): The checksum data is bad. Data is corrupted on the disk and can not be read.

FANUC Alarm HOST-102 — WARN Block check error

FANUC HOST-102 (“WARN Block check error”): The checksum data is bad. First check: Try another disk, or reformat the disk

Updated 2026-08-29 · LogrobotLM reference

Description

The checksum data is bad. Data is corrupted on the disk and can not be read.

Remedy · Remède

Try another disk, or reformat the disk

Frequently asked · Questions fréquentes

What does FANUC alarm HOST-102 mean?: FANUC HOST-102 (“WARN Block check error”): The checksum data is bad. Data is corrupted on the disk and can not be read.
How do you troubleshoot FANUC alarm HOST-102?: Try another disk, or reformat the disk

Related codes / Codes liés

HOST-100WARN Communications error HOST-101WARN Directory read error HOST-103WARN Seek error HOST-104WARN Disk timeout

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 →