The Air Fryer works great.  Your operating and recipe booklets have numerous typo's. The word tray is occasionally spelt 'try' .  1 lemon juiced is spelt 'juice' (makes me wonder how much juice?).  Also recipes call for preheating the air fryer.  No instructions as to how long it takes to preheat.  So I am doing guesses and so far my guesses are working fine.  Again, the air fryer is doing great, just the booklets requiring guess work.