home.md

@@ -90,6 +90,8 @@ The silver button at the top of the Status Panel is used to power the Husky on a
 
 When booting, status panel lights will show a brief test pattern. The `COMM` status light will turn red, as the PC is not yet communicating with Husky.
 
+Note that if the light goes from green to red it can help to restart the ROS system on board by running ```sudo systemctl restart ros```.
+
 The `STOP` status light will be red if the Stop button is pressed. If the Stop button is not pressed, press it and verify that the `STOP` light illuminates. Leave the platform in stop mode until it is successfully receiving commands, indicated by the `COMM` status light turning green or yellow. A minute after booting up, the `COMM` status light will change from red to green (or yellow, depending on the stop mode status). This indicates that ROS is up on the computer and has established communications with the Husky base.
 
 ### Using the controller