Here is a video explaining: <a href="https:&#x2F;&#x2F;www.youtube.com&#x2F;watch?v=7FhwTelc5Tg" rel="nofollow">https:&#x2F;&#x2F;www.youtube.com&#x2F;watch?v=7FhwTelc5Tg</a><p>The turntable in my microwave failed when I heated up a frozen pizza, and the result was part of it was burned, and part of it was still frozen.