FANUC Alarm APSH-171 — HOME_IO has not completed running
FANUC APSH-171 (“HOME_IO has not completed running”): HOME_IO has not completed successfully, so new program cannot be ran.
Updated 2026-09-17 · LogrobotLM reference
Description
HOME_IO has not completed successfully, so new program cannot be ran. Check HOME_IO and see if it is looping on some I/O.
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 →