In this video, we demonstrate how to use the SULAB Elevator Debugger 5P 6P 7P handheld service tool for elevator commissioning, fault diagnosis, and maintenance. You'll see a step-by-step walkthrough of connecting to elevator controllers, reading real-time operating data, checking fault records, and adjusting system parameters. Learn when and how this portable diagnostic tool is most effective for troubleshooting and optimizing elevator performance in various maintenance scenarios.