STB-BL Replacement only


The Self-Diagnostic Safe-T-Beam® System alerts homeowners of improper installation or malfunctions with its new self-diagnostic feature. With this system, a closing door will be reversed automatically when objects pass through its infrared beam.


Plus, by using its red and green LED indicators, our new system will send a self-diagnostic code to help you quickly identify problems and solutions.


Six-part Safety Package includes:



  • Safe-T-Beam® auto reversing system incorporating infrared beam and LED diagnostic lights

  • Contact reverse feature stops and reverses door within two seconds of contact

  • Timed reverse stops and reverses door if it fails to close in 30 seconds

  • Adjustable electronic force sensitivity control

  • Relay switch monitoring stops and reverses door if a control relay switch malfunctions

  • STB monitoring system stops and reverses door if Safe-T-Beam® system malfunctions