| The autoguider Lodestar camera is not reading out.
| The Lodestar camera needs rebooting.
| In the main [[#Backup autoguiding procedure|backend autoguider GUI]], click the turquoise "Power Cycle Cameras" button and wait 30 seconds. Then press the red "EXIT" button to exit the guider software, before restarting it from the command line.
| Observer.
|-