Samsung OTR Microwave started turning on fan in the middle of the night. Lately it's been actually starting the oven with a lot of minutes. Fortunately I heard  it and turned it off. It's done it several times since and we try to remember to unplug it at night. This has got to be dangerous. The turntable hasn't worked since the last time we had it repaired. The spindle falls into the bottom of the body. Installed beginning of 2017 and the turntable stopped working soon after that. We had someone come out and they seemed to fix it but it was broken again within six months and it was out of warranty. Purchased 12/30/16 from Lowes Model  ME21K7010DG. ... View more