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 PNT2-931 — %sDoor held input 1 lost

FANUC PNT2-931 (“%sDoor held input 1 lost”): The door held input was lost during part held scanning. First check: Check the input as soon as possible.

Updated 2026-08-29 · LogrobotLM reference

Description

The door held input was lost during part held scanning.

Remedy · Remède

Check the input as soon as possible. If the job can still be continued activate ignore part signal to disable scanning operations.

Frequently asked · Questions fréquentes

What does FANUC alarm PNT2-931 mean?
FANUC PNT2-931 (“%sDoor held input 1 lost”): The door held input was lost during part held scanning.
How do you troubleshoot FANUC alarm PNT2-931?
Check the input as soon as possible. If the job can still be continued activate ignore part signal to disable scanning operations.

Related codes / Codes liés

PNT2-927%sHood/Deck Opener Lost PartPNT2-928%sHood/Deck Opener Lost PartPNT2-932%sDoor held input 2 lostPNT2-933%sDoor detect 1 sensor malfunction

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 →