Could be a number of things.
Try to do a little more troubleshooting
1 Does it always stop in the same place?
2 Where in the cycle does it stop?

Here is a link to the wiring diagram the important part here is the timing chart which tells you what happens when.

Next time it happens just open then close the lid. Could be the vibration is opening a lid switch which is just making contact, may need adjusting.