✅ Microfiber Cloth 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 interior light not working or flickering? This video shows how to check the Light button, confirm power, and clean the lens safely. Ninja does not support user replacement of the bulb if it still doesn’t work, contact support.