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

FANUC Alarm PNT2-690 — %sEstat HVON Failed

FANUC PNT2-690 (“%sEstat HVON Failed”): The robot sent the HVON signal to the E-stat controller, but did not get a HVON signal back from the E-stat unit. First check: Check the status of the external E-stat controller.

Updated 2026-08-29 · LogrobotLM reference

Description

The robot sent the HVON signal to the E-stat controller, but did not get a HVON signal back from the E-stat unit.

Remedy · Remède

Check the status of the external E-stat controller.

Frequently asked · Questions fréquentes

What does FANUC alarm PNT2-690 mean?
FANUC PNT2-690 (“%sEstat HVON Failed”): The robot sent the HVON signal to the E-stat controller, but did not get a HVON signal back from the E-stat unit.
How do you troubleshoot FANUC alarm PNT2-690?
Check the status of the external E-stat controller.

Related codes / Codes liés

PNT2-688%sEstats disabledPNT2-689%sEstat controller not in remotePNT2-691%sEstat setpoint not reachedPNT2-692%sEstat T.P. enable Timeout

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 →