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 2026-09-17 · LogrobotLM reference
Description
The checksum data is bad. Data is corrupted on the disk and can not be read.
Remedy
Try another disk, or reformat the disk
Related codes
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 →