How Do You Diagnose Microwave Oven Problems?

Once you become dependent on such a timesaving appliance, you'll need to know how to fix common problems. Avoid opening the microwave cabinet; doing so can be dangerous, and many manufacturers will void your warranty. See also How to Get Rid of Microwave Smells. Microwave doesn't activate Step 1 Make sure microwave is plugged in properly. Step 2 Check that door closes completely and its latch is aligned. Step 3 Check that interlock switch in door works properly (required for activating microwave). Step 4 Replace a blown fuse if it's accessible, or contact a service technician. Carousel won't turn Step 1 Inspect plastic coupling beneath tray. Step 2 Check ring and roller assembly for misalignment or debris. Step 3 Make sure that tray is sitting properly on turning mechanism. Step 4 If carousel motor is broken, contact a service technician. You see lightning inside the oven chamber Step 1 Make sure there's no aluminum foil or metal trim on dishware. Step 2 Food residue or burned spots ...  more