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FANUC Alarm HOST-104 — WARN Disk timeout

FANUC HOST-104 (“WARN Disk timeout”): The drive did not respond to a command. First check: Check the cable to the drive and make sure drive power is on.

Updated 2026-08-29 · LogrobotLM reference

Description

The drive did not respond to a command.

Remedy · Remède

Check the cable to the drive and make sure drive power is on.

Frequently asked · Questions fréquentes

What does FANUC alarm HOST-104 mean?
FANUC HOST-104 (“WARN Disk timeout”): The drive did not respond to a command.
How do you troubleshoot FANUC alarm HOST-104?
Check the cable to the drive and make sure drive power is on.

Related codes / Codes liés

HOST-102WARN Block check errorHOST-103WARN Seek errorHOST-105WARN Write protection violationHOST-106WARN $PROTOENT entry not found

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 →