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FANUC Alarm PNT2-040 — Error attempting to setup I/O

FANUC PNT2-040 (“Error attempting to setup I/O”): The I/O information for an applicator was changed and is in error. First check: Check the output type, output number, rack and slot number, first bit location and number of bits.

Updated 2026-09-17 · LogrobotLM reference

Description

The I/O information for an applicator was changed and is in error.

Remedy

Check the output type, output number, rack and slot number, first bit location and number of bits.

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 →