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FAQ

Frequently Asked Questions

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A photoelectric sensor detects light interruption or reflection, while a magnetic switch responds to a magnetic target. Their sensing principles and output behavior differ. Identify the original function, target arrangement and controller input before replacement. A shared category name does not make these devices interchangeable.
STEP is grouped for the elevator or escalator function represented by the listed product options. Confirm the exact model and application before selection.
Passenger elevators prioritize ride quality, appearance and traffic handling, while freight elevators use robust cars, doors and loading arrangements for goods.
Record the panel cutout shape and size, fixing method, panel thickness and rear clearance. Photograph the contact block and connector as well as the button face. Include the button symbol, illumination details and part code so the replacement can be checked mechanically and electrically.
Maintenance box is grouped for the elevator or escalator function represented by the listed product options. Confirm the exact model and application before selection.
Start with the display board code and controller model, then compare the communication protocol, supply voltage, connector pinout and mounting drawing. A matching screen size or plug does not establish compatibility. Include the current floor labels and orientation in the replacement specification.
Safety Gear is grouped for the elevator or escalator function represented by the listed product options. Confirm the exact model and application before selection.
Evaluate building use, traffic, capacity, travel, speed, shaft space, accessibility, finishes, code requirements, budget and maintenance capability.