LogrobotLM

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 SVGN-140 — Uninitialized start distance number.

FANUC SVGN-140 (“Uninitialized start distance number.”): The specified start distance number is not valid. First check: Specify a start distance number greater than or equal to 1 and less than or equal to $sgsyscfg.…st_elm.

Updated 2026-09-17 · LogrobotLM reference

Description

The specified start distance number is not valid.

Remedy

Specify a start distance number greater than or equal to 1 and less than or equal to $sgsyscfg.…st_elm.

Related codes

SVGN-138Invalid tipwear ratio.SVGN-139Could not read tip stick detect input.SVGN-141Uninitialized end distance number.SVGN-142Illegal decel option.

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 →