Do-It-Yourself Story

So all of a sudden the dishwasher stops working, "0E error"on the panel. Did some google searches and found that it might be the filter, which I did not know needed to be changed, or worse, the motor. Took the filter off per online tutorial (easy) and mopped up all the stagnant water. Poking around, I find the small rubber check valve that has broken. Had to fish it out with tweezers. Long story short, it was not the motor and I doubt it was the filter. It was this $1.87 rubber drainage check valve. Washer works as good as new.