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 → · Le diagnostic IA qui lit la sauvegarde de votre robot, sans rien téléverser.

FANUC Alarm MOTN-473CS: Both of EXT. & VR. clock valid

FANUC MOTN-473 (“CS: Both of EXT. & VR. clock valid”): Both of external clock and virtual clock are valid. First check: The either of external clock and virtual clock set to invalid.

Updated 2026-08-29 · LogrobotLM reference

Description

Both of external clock and virtual clock are valid.

Remedy · Remède

The either of external clock and virtual clock set to invalid.

Frequently asked · Questions fréquentes

What does FANUC alarm MOTN-473 mean?
FANUC MOTN-473 (“CS: Both of EXT. & VR. clock valid”): Both of external clock and virtual clock are valid.
How do you troubleshoot FANUC alarm MOTN-473?
The either of external clock and virtual clock set to invalid.

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 →