LogrobotLM

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FANUC Alarm SRIO-012 — WARN S. PORT PRTY & OVRRN & FRM

FANUC SRIO-012 (“WARN S. PORT PRTY & OVRRN & FRM”): Serial port parity error, overrun error, and frame error occured. First check: Check if serial port setup is correct.

Updated 2026-09-17 · LogrobotLM reference

Description

Serial port parity error, overrun error, and 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-010WARN S. PORT PARITY & FRAMESRIO-011WARN S. PORT OVERRUN & FRAMESRIO-013WARN S. PORT DSR OFF & HARDWARE ERRSRIO-014WARN S. PORT ILLEGAL REQUEST COUNT

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 →