LogrobotLM — AI fault diagnosis for ABB · KUKA · FANUC robots. It reads your robot backup in your browser (never uploaded) and pinpoints the fault. Try it free →

FANUC Alarm MOTN-050 — STOP Invlaid spdlim (G:… A:… H)

Manufacturer wording — STOP Invlaid spdlim (G:%d^2 A:%x^3 H)
The manual prints placeholders; your controller fills them in with the real group, axis or number.

FANUC MOTN-050 (“STOP Invlaid spdlim (G:… A:… H)”): Invalid joint speed limit First check: Set $SPEEDLIMJNT correctly

Updated 2026-09-17 · LogrobotLM reference

Description

Invalid joint speed limit

Remedy

Set $SPEEDLIMJNT correctly

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 →