Which of the following problems would most likely cause a dishwasher motor to hum but not start?

Question

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A faulty door latch can prevent the dishwasher from starting, as the latch must be properly engaged for the motor to receive power and start the cycle. If the motor is humming but not starting, it is likely that the latch is not engaging properly. The other options (restricted drain hose, burned out heat element, and damaged spray arm) are not likely to prevent the motor from starting at all.

Which of the Following Problems Would Most Likely Cause a Dishwasher