LogrobotLM

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FANUC Alarm HRTL-022 — WARN Invalid argument

FANUC HRTL-022 (“WARN Invalid argument”): System does not support selected protocol. First check: Either select another protocol or install the selected protocol.

Updated 2026-09-17 · LogrobotLM reference

Description

System does not support selected protocol.

Remedy

Either select another protocol or install the selected protocol.

Related codes

HRTL-020WARN Not a directoryHRTL-021WARN Is a directoryHRTL-023WARN File table overflowHRTL-024WARN Too many open files

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 →