LogrobotLM

LogrobotLM — AI fault diagnosis for ABB · KUKA · FANUC robots. It reads your robot backup in your browser (never uploaded) and pinpoints the fault. Try it free →

FANUC Alarm SYST-116 — WARN No RSR echo output defined

FANUC SYST-116 (“WARN No RSR echo output defined”): One or more RSR echo outputs, which are required with the current program selection options, have not been defined. First check: Set up the RSR echo outputs in the Cell Output I/O menu and restart the robot.

Updated 2026-09-17 · LogrobotLM reference

Description

One or more RSR echo outputs, which are required with the current program selection options, have not been defined.

Remedy

Set up the RSR echo outputs in the Cell Output I/O menu and restart the robot.

Related codes

SYST-114WARN No RSR input definedSYST-115WARN No PNS select input definedSYST-117WARN No PNS echo output definedSYST-118WARN No PNS strobe input defined

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 →