Roborock Qrevo Slim Main Board RR-CORAL MAIN B3 PCB 9.01.3811
- Main board PCB for Roborock Qrevo Slim, model RR-CORAL MAIN B3 9.01.3811. Precision electronic control module with multipin connectors and metal shielding for reliable robot vacuum operation and system integration.
The Roborock Qrevo Slim main board RR-CORAL MAIN B3, model 9.01.3811, is a dedicated PCB control module designed for integration in compatible slim-profile robotic vacuum systems. As a core electronic component, it manages communication between internal modules and supports stable operation of the device through a compact, precisely engineered layout. This main board is manufactured for Roborock and built with a dense multi-circuit PCB structure that incorporates multipin connectors, advanced surface-mounted electronic components, and a metal-shielded section for enhanced signal stability and component protection.


Its construction is optimized for use in compact robotic cleaning equipment, where reliable data transmission, controlled power distribution, and accurate coordination of connected assemblies are essential.
The board serves as a central control platform within the robot, linking sensors, internal subsystems, and key electronic functions into one integrated architecture. The multipin connection design supports organized installation and secure interfacing with compatible hardware. The PCB format allows efficient routing and compact placement inside the device, while the shielded module area helps reduce interference in sensitive circuits and contributes to dependable long-term performance.
In practical use, this replacement main board is a suitable solution for restoring functionality in a compatible Roborock Qrevo Slim unit when the original control board is damaged or no longer operating correctly. It can help bring back proper communication between internal components, improve operational reliability, and support the continued performance of the robot vacuum in everyday cleaning environments. For service, repair, and maintenance applications, it offers a precise and professional electronic replacement option.








