There are some lines of front load washers that use them as the door lock. And the ones they use have a habit of shorting out and taking the control board with

There are some lines of front load washers that use them as the door lock. And the ones they use have a habit of shorting out and taking the control board with them. The idea is that so long as the washer is providing power the motor stays locked. But if you ever loose power within a few minutes you can open the door if you had to.