![Rat Rig Community [Unofficial]](https://cdn.discordapp.com/icons/582187371529764864/08375bea6b5b9088b6d4cfc2b6e25fba.webp?size=48){kind=icon}
RRC[urgent-maroon
MCU Error in Mainsail - cant connect to mcu
I finished up the wifi setup and board firmware installation and now I am trying to proceed to Mainsail. I always get an error "MCU couldnt connect".
RRC[![Rat Rig Community [Unofficial]](https://cdn.discordapp.com/icons/582187371529764864/08375bea6b5b9088b6d4cfc2b6e25fba.webp?size=16){kind=icon}
RRC[Rat Rig Community [Unofficial] / ratos-supportRRC[Rat Rig Community [Unofficial] / ratos-supportRRC[Rat Rig Community [Unofficial] / ratos-supportRRC[Rat Rig Community [Unofficial] / ratos-support