AutoBouquetsMaker tunes to following when reading Freesat.Failed to tune FreeSat UK on Tuner B
Polarization 0 = VerticalCode:orbital_position="282" frequency="11426000" symbol_rate="27500000" polarization="0"
Polarization 1 = Horizontal
I'd say you have an LNB fault. Can you test with another dish (not with a wideband LNB for Sky Q). Obviously maintaining social distancing rules.