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FANUC Alarm FLPY-104 — WARN Disk timeout

FANUC FLPY-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 2026-09-17 · LogrobotLM reference

Description

The drive did not respond to a command.

Remedy

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

Related codes

FLPY-101WARN Block check errorFLPY-103WARN Seek errorFLPY-105WARN Write protection violationFLPY-106WARN Memory Card hardware 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. How this reference is built →