@vetacreativa It's a range test, a standard maintenance procedure. See also https://community.windy.com/topic/13493/what-is-this/4?_=1626296186784

Hello @marcomaroni, what version of the application do you have? (Can be found and the bottom of the Menu.)

@TechEdd_YT https://weather.gladstonefamily.net/site/C8027 temperature sensor failure.

@TechEdd_YT Hi, thank you for reporting this issue. We are about to fix it. :)