Microwave heats food but the turntable doesn't rotate
Sparking, arcing, or flashing seen inside the microwave during use
Display is blank or buttons don't respond, but the microwave otherwise seems powered
Turntable, light and timer all work normally but food doesn't heat
New or unusually loud humming/buzzing noise while the microwave runs
Combi microwave's grill or convection function isn't browning food
Microwave door won't open or the release latch is stuck
Few household appliances have a founding story as often retold as the microwave’s — and unusually for appliance history, this one is genuinely well documented and largely accurate, not marketing folklore. A melted chocolate bar In 1945, Percy Spencer, an engineer at the American defence contractor Raytheon working on radar technology, noticed that a chocolate […]