Does the drum light come on?
It is most likely that you blow the thermofuse. Reasons bad blower (make sure it is tight to the motor), vent is clean, lint filter area is clean. You will need a LA-1053.UNPLF THE UNIT Release the top with a putty knife. remove the two screws that hold the front. You can check everthing from here. The picture in the link will tell you where the fuse is. Make sure you use the correct color fuse.