Whirlpool wdt730hamz1 randomly running cancel/drain

Brand: Whirlpool
**Model Number:**wdt730hamz1
Main Symptom: randomly running cancel/drain
What happens & when: dishwasher keeps randomly running the cancel/drain function. No error codes. Tried resetting.

Error Code (if any):
Parts or tests already tried:
Photos / video link:

If there is not debris under the cancel key, or something pressing against it while the door is closed, the failure would likely be with the main control. W11683480 Dishwasher Electronic Control Board | Genuine Whirlpool OEM In Stock