If you notice that your Whirlpool oven is locked, there is no need to worry. If the door is locked during the self-cleaning cycle, you need to do the following. First, if a power interruption happened during the cycle, then select the Self Clean option and press Cancel. Give it a few minutes and start the cycle again. Also, if the cycle was started by mistake, press the Cancel key to let it cool to around 200F before the door opens. Give it around one hour to cool, then unlock the door. If the door is locked when starting or using the oven, you need to press the Cancel key to start a latch reset. Give it around 30 seconds and open the door.