Summary

Not sure if your rain sensor is wired correctly? Test it! To test the rain sensor operation, do the following:

1. Activate the Rain Sensor on the App ("Setting wheel" icon > "Controller Settings" > "Accessories"). Select S1 or S2, depending on which terminal your sensor is connected to on the Rachio controller, then toggle to enable the sensor;

2. Go to the "Settings wheel" icon > "History" to view your History feed;  

3. Hold down the test spindle on the rain sensor;

4. Refresh the History feed (pull to refresh on Android and iOS). A new History event titled Rain Sensor Activated should appear; 

5. Release the test spindle on the rain sensor;

6. Refresh your device's History feed again. A new activity should be logged as Rain Sensor Deactivated. If you are not seeing Rain Sensor Activated / Deactivated, the wiring is not attached correctly.