FANUC Alarm SPOT-028 — PAUSE Serial initialization failed

FANUC SPOT-028 (“PAUSE Serial initialization failed”): Serial port specification is invalid First check: Make sure that the port exists

Updated 2026-09-17 · LogrobotLM reference

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 →