A snapping sound often indicates a worn toothed belt. In Mottingham, we replace these with reinforced Kevlar belts that resist stretching. We also inspect the hanger bearings. Replacing worn rollers eliminates friction, allowing the door to glide effortlessly.
False activations, known as random cycling, are common in Mottingham due to reflective surfaces. We calibrate Optex sensors to ignore interference. Crucially, we test the light curtain presence sensors to ensure the door fails safe.
The core of your system in Mottingham is the Brushless DC Motor. When these fail, you might hear grinding noises. We diagnose specific faults like stripped nylon gears and replace the unit with OEM parts to restore smooth motion.
Replacing dead UPS packs for safety.
Diagnosing and fixing logic errors.
Adjusting radar for weather in Mottingham.
Fitting new DC motors and gearboxes.