当有强风或降雨时，风雨感应器会启动控制系统自动关窗，同时通风按钮失效，待信号解除后（10-15分钟）通风开关恢复正常。

W/R sensor will order the control system to close all windows automatically when strong breeze or heavy rain here meanwhile natural ventilation button is out of operation and it will back to work after all cleared (10-15minutes).