Every time I put Munich grain in the fermentables the recipe won’t synch. I have to pick a totally different grain to synch the recipe. I have an iPhone 11. Does this app update automatically?

Hello ! I have inherited an old Grainfather. The boiler and the pump are working quite well, but I have difficulties to maintain the temperature during the mash. I am wondering if it is linked with the message "off" displayed on the controller (see the picture attached to this message). I...

Okay, this is a new one for me. I just started using the inventory feature, so I suspect it has something to do with how I used it, but has anyone seen this error before? Also, I didn't notice this error the first couple of days that I had the editor open.