FANUC Alarm SVGN-021 — STOP Uninitialized BU condition
FANUC SVGN-021 (“STOP Uninitialized BU condition”): Servo gun condition BU is not initialized. First check: Add a servo gun condition instruction.
Updated 2026-08-29 · LogrobotLM reference
Description
Servo gun condition BU is not initialized.
Remedy · Remède
Add a servo gun condition instruction.
Frequently asked · Questions fréquentes
- What does FANUC alarm SVGN-021 mean?
- FANUC SVGN-021 (“STOP Uninitialized BU condition”): Servo gun condition BU is not initialized.
- How do you troubleshoot FANUC alarm SVGN-021?
- Add a servo gun condition instruction.
Related codes / Codes liés
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. · Informations indicatives issues du terrain — le manuel du constructeur et ses procédures de sécurité font foi. Ne shuntez jamais un organe de sécurité ; consignez (LOTO) avant toute intervention physique. How this reference is built →