Diagnosing and fixing logic errors.
24/7 rapid response for Sanderstead businesses.
Fitting new DC motors and gearboxes.
Adjusting radar for weather in Sanderstead.
A snapping sound often indicates a worn toothed belt. In Sanderstead, we replace these with reinforced Kevlar belts that resist stretching. We also inspect the carriage wheels. Replacing worn rollers eliminates vibration, allowing the door to glide effortlessly.
The heart of your system in Sanderstead is the High-Torque Drive Unit. When these fail, you might hear grinding noises. We diagnose specific faults like encoder positioning errors and replace the unit with OEM parts to restore silent operation.
False activations, known as phantom opening, are common in Sanderstead due to electrical noise. We calibrate Hotron sensors to ignore interference. Crucially, we test the light curtain presence sensors to ensure the door fails safe.