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 PNT2-039 — I/O setup verified OK

FANUC PNT2-039 (“I/O setup verified OK”): The job is not run and the encoder counts indicate that the part is past the Start switch (plus tolerance). First check: None.

Updated 2026-08-29 · LogrobotLM reference

Description

The job is not run and the encoder counts indicate that the part is past the Start switch (plus tolerance). The robot deletes the job from the queue, posts this warning message and continues to operate in production.

Remedy · Remède

None.

Frequently asked · Questions fréquentes

What does FANUC alarm PNT2-039 mean?
FANUC PNT2-039 (“I/O setup verified OK”): The job is not run and the encoder counts indicate that the part is past the Start switch (plus tolerance). The robot deletes the job from the queue, posts this warning message and continues to operate in production.
How do you troubleshoot FANUC alarm PNT2-039?
None.

Related codes / Codes liés

PNT2-024UOP's assigned but disabled!PNT2-034Parm %s Value beyond limitsPNT2-040Error attempting to setup I/OPNT2-054No channel/parameter indicated

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 →