If you’ve noticed your Roomba blue light blinking, it’s signaling a specific mode or status. On many Roomba models, a blinking blue light usually means the robot is in Spot Cleaning mode, WiFi setup, or trying to locate its charging base. It may also flash blue when communicating with the iRobot Home App or performing a firmware update. If the blinking continues for an unusually long ... https://roombasmarti.com/common-issues-with-roomba-blue-light-and-how-to-fix-them/