Did you check if electricity was coming to the element. Try putting a volt meter on the two wires and turn it on see if you get anything...could be a bad switch
Clear the lock mechanism -- as indicated by the DOOR LOC light -- by pressing and holding in the oven door light switch for 20 to 30 seconds. While the switch is depressed, the latch motor will gradually withdraw the lock, allowing you to open your oven door.