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-054 — STOP $EQNUM is invalid number.

FANUC SVGN-054 (“STOP $EQNUM is invalid number.”): $EQNUM is not use in the system. First check: Set the valid equipment number to $EQNUM.

Updated 2026-09-17 · LogrobotLM reference

Description

$EQNUM is not use in the system.

Remedy

Set the valid equipment number to $EQNUM.

Related codes

SVGN-052WARN Motion group mismatch.SVGN-053WARN Backup stroke is not set.SVGN-055STOP $EQNUM is not Servo Gun.SVGN-056STOP $GUNNUN is invalid number.

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 →