Most likely the problem is a bad switch or a bad motor on the door latch assembly(#89 on the
oven body break down diagram).
If the problem is a switch - it could be replaced separate.
If the problem is a motor, then the whole door latch assembly has to be replaced.
- The part number for the interlock switch is
AP2128641
- The part number for the door latch assembly is
AP2128406
Happy Holidays!
Gene.