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Mitsubishi Elevator Door Control DOR120C GPS-III Repair

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April 29, 2026
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Video Description:
In this technical repair video, we take a focused look at the Mitsubishi DOR-120C door control board for GPS-III series elevators. Watch as we demonstrate the board's operation, explain its closed-loop control system with encoder feedback, and show how it integrates safety protection logics and timing management with the main elevator controller. You'll see practical insights into fault diagnosis, replacement procedures, and maintenance considerations for this critical elevator component.
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