– Check the LCD screen to see if the microSD icon is shown. If not, I suggest that you take out the microSD card and re-insert it to make sure it sits reliably in the socket. For an example of the microSD icon, go to the user manual:
https://opensprinkler.freshdesk.com/helpdesk/attachments/5043295092
page 4.
– This could be related to microSD card issue since the weights need to be stored on the microSD card.