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 PNT1-201Door detect sensor malfunction

FANUC PNT1-201 (“Door detect sensor malfunction”): The door held sensor was damaged or is malfunctioning. First check: Check the sensor and fix it.

Updated 2026-08-29 · LogrobotLM reference

Description

The door held sensor was damaged or is malfunctioning.

Remedy · Remède

Check the sensor and fix it. If the job can still be continued, activate the ignore part signal to disable scanning operations.

Frequently asked · Questions fréquentes

What does FANUC alarm PNT1-201 mean?
FANUC PNT1-201 (“Door detect sensor malfunction”): The door held sensor was damaged or is malfunctioning.
How do you troubleshoot FANUC alarm PNT1-201?
Check the sensor and fix it. If the job can still be continued, activate the ignore part signal to disable scanning operations.

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 →