The part(s) or condition(s) listed below for the symptom Washer door or lid won't lock are ordered from most likely to least likely to occur. Check or test each item, starting with the items at the top of the page.
The door latch assembly might be defective. Inspect the door latch for damage. If the door latch is damaged, replace it.
Inspect the door strike assembly for damage. If the door strike is broken, replace it. The door strike is not repairable—if it is broken, you must replace it.