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FANUC Alarm SRIO-008 — WARN SERIAL PORT FRAME ERROR

FANUC SRIO-008 (“WARN SERIAL PORT FRAME ERROR”): Serial port frame error occured. First check: Check if serial port setup is correct.

Updated 2026-09-17 · LogrobotLM reference

Description

Serial port frame 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

SRIO-006WARN SERIAL PORT PARITY ERRORSRIO-007WARN SERIAL PORT OVERRUN ERRORSRIO-009WARN S. PORT PARITY & OVERRUNSRIO-010WARN S. PORT PARITY & FRAME

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 →