Replacing the New INV-BDC Elevator Board Steps

Replacing the New INV-BDC Elevator Board Steps Normally, if the INV-BDC elevator board on the elevator is damaged, the high-power transistors (IGBT modules) connected to the BDC are likely damaged as well.Before installing the new BDC board, it is recommended to check the IGBT module — QM300HA-H (MVP type) or QM200HA-2H (HVP type). If the module […]