LogrobotLM

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FANUC Alarm SRIO-013 — WARN S. PORT DSR OFF & HARDWARE ERR

FANUC SRIO-013 (“WARN S. PORT DSR OFF & HARDWARE ERR”): Serial port DSR is off and harware error occured. First check: Check if serial port setup is correct.

Updated 2026-09-17 · LogrobotLM reference

Description

Serial port DSR is off and harware error occured.

Remedy

Check if serial port setup is correct. Check if cable is broken. Check if there exists a noise source near controller. Check target device status. Check the hardware.

Related codes

SRIO-011WARN S. PORT OVERRUN & FRAMESRIO-012WARN S. PORT PRTY & OVRRN & FRMSRIO-014WARN S. PORT ILLEGAL REQUEST COUNTSRIO-015WARN SERIAL PORT CANCEL

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 →