FANUC Alarm SRIO-007 — WARN SERIAL PORT OVERRUN ERROR
FANUC SRIO-007 (“WARN SERIAL PORT OVERRUN ERROR”): Serial port overrun error occured. First check: Check if serial port setup is correct.
Updated 2026-09-17 · LogrobotLM reference
Description
Serial port overrun error occured.
Remedy
Check if serial port setup is correct. Check if cable is broken. Check if there exists a noise source near controller.
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 →