"Two small plastic lugs broke in the door lock mechanism causing the door to jam. open the door by removing the top plate after switching off the powerand unscrewing the plastic bracket in the centre top of the door. undo the 6 screws holding top panel and carefully take apart. the door lock and timer and the inside of the onoff switch are shown. remove door lock by disconnecting the two wires from it the double wire is the lower one and then unscrewing 4 screws to remove lock. replace new part and reverse what has already been done."