✅ Cleaning Cloths I Use (Amazon paid link): br Disclosure: Some links above are affiliate links which means I may earn a small commission if you click and buy, at no extra cost to you.br br Ninja Support: br Ninja Double Oven (DCT451) thermometer not working? This guide shows how to plug it in fully, insert the probe past the safety line, route the cord over the top of the door, pick a supported function, and clean the probe safely plus when to call support.