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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 2026-09-17 · 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

None.

Related codes

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. How this reference is built →