LiftMaster K41-0388-000MC Main Board for MAXUM Operators

K41-0388-000MC is a replacement MAXUM logic board designed for select LiftMaster commercial door operators. Built for post-2023 applications, this board is used with JHDC, JDC, RJDC, and TDC MAXUM Series operators where exact replacement and control compatibility are required. Always confirm operator model and part information against the installation manual or replacement parts diagram before ordering.

Specifications

• Replacement main board / logic board kit for MAXUM Series commercial operators
• Part number: K41-0388-000MC
• Also referenced as: K41-0388-000
• For use with LiftMaster JHDC, JDC, RJDC, and TDC models
• Compatible with operators manufactured after 2023 only
• Designed for direct replacement in supported MAXUM control systems
• Helps restore proper operator control and board-level functionality
• Best suited for service, repair, and maintenance of commercial door operators
• Installer should verify compatibility by model and parts diagram prior to purchase

Part Numbers

• K41-0388-000MC Main board 700/1200
• K41-0388-000 Alternate / also known as part number