Photo beam sensors are a mandatory safety feature on most automatic door installations. When they fail, the door becomes unsafe and non-compliant. This guide covers the most common fault patterns and how to diagnose them quickly on site. How Photo Beams Work Photo beam (also called presence sensors or light curtains) use an infrared beam […]
The carriage assembly is one of the most critical components in a sliding door operator — and one of the most frequently replaced. Understanding how these units wear, what to look for during servicing, and when replacement is necessary will save your clients from costly door failures. What Does a Carriage Assembly Do? The carriage […]
Drive belts are one of the most common wear items on automatic sliding door operators. Nearly all sliding doors use a toothed belt to drive the carriage along the track — swing and folding doors rarely use belts, relying instead on mechanical linkages or direct drive. When a belt fails, the door stops working — […]
