< All Topics Main Basement Defender 2.0 Support Documents Indicator Light and Alert Flow Chart Guide - 2.0 Print Indicator Light and Alert Flow Chart Guide – 2.0 UpdatedMarch 10, 2023 Did you receive a Basement Defender mobile alert or notice an Alert (red) Light on your unit?All alert information is in the mobile app, please check there and use our alert guide to find a solution. View Alert Guide