FANUC Alarm PNT2-129 — I/O Hardware not installed
FANUC PNT2-129 (“I/O Hardware not installed”): The I/O Hardware selected is physically not installed. First check: Make sure I/O Hardware that is being selected is installed correctly.
Updated 2026-09-17 · LogrobotLM reference
Description
The I/O Hardware selected is physically not installed.
Remedy
Make sure I/O Hardware that is being selected is installed correctly.
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 →