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-048 — Machine lock must be disabled.

FANUC SVGN-048 (“Machine lock must be disabled.”): Machine Lock is enabled for the servo gun group. First check: Disable Machine lock from the TEST CYCLE Menu, and start tuning again.

Updated 2026-09-17 · LogrobotLM reference

Description

Machine Lock is enabled for the servo gun group.

Remedy

Disable Machine lock from the TEST CYCLE Menu, and start tuning again.

Related codes

SVGN-046FAULTS must be reset.SVGN-047Step mode must be disabled.SVGN-049Hold must be cleared.SVGN-050Autuning: Re-power required

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 →