The 3 most common part(s) or condition(s) which cause the symptom Washer won't start are listed below starting with the most likely. Check or test each item and watch any available videos.
RepairClinic Item # 1606332
If the washer won't start the main control board might be defective. This is not common. Check other parts and causes first.
If the washer won't start check to see if there is power at the electrical outlet which the washer is plugged into. Plug a lamp or radio into the outlet to check it. If the outlet is dead, check the circuit breakers or fuses for the home.
RepairClinic Item # 1168743
If the washer won't start, check to be sure there is power to the electrical outlet for the home. If that is OK, the power cord itself might be defective. This is rare. You can check the power cord with an Ohm meter for continuity.