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FANUC Alarm HRTL-069 — WARN Device Function Code invalid

FANUC HRTL-069 (“WARN Device Function Code invalid”): Device does not support command First check: Check useage against device

Updated 2026-09-17 · LogrobotLM reference

Description

Device does not support command

Remedy

Check useage against device

Related codes

HRTL-067WARN No out of bound dataHRTL-068WARN Device is already attachedHRTL-070WARN Cannot detach with open filesHRTL-071WARN Device is already allocated

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 →