Common oven issues generally center on heating inconsistencies, ignition failures, or electronic glitches that disrupt the cooking process. The most frequent culprit is a faulty heating element in electric models or failed igniter in gas units, both which prevent the oven from reaching the desired temperature. Inaccurate temperature readings are often traced back to a mis-calibrated thermostat or a failing temperature sensor, while uneven baking can result from damaged door seals that allow heat to leak out. Additionally, mechanical problems like a malfunctioning door latch or a blown thermal fuse can render the appliance completely inoperable. While simple fixes like replacing a lightbulb or cleaning a burner are easy for homeowners, issues involving gas lines or complex control boards usually require a professional's touch.