The part(s) or condition(s) listed below for the symptom Washer won't start 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 main control board might be defective. However, the main control board is rarely at fault for this symptom. Before replacing the main control board, first check all of the more commonly defective parts.
Main control board for front-loading washing machine. This control board regulates the washer's filling, washing, spinning, and draining functions. The main control board is often misdiagnosed. To determine if it is defective, use a multimeter to test it for continuity.
The electrical outlet may not be getting power. To determine if the outlet is getting power, try plugging something else into the outlet. If the outlet is not getting power, check the home circuit breakers or fuses.
First ensure that power is getting to the electrical outlet. If the electrical outlet is receiving power, but the washer won’t start, the power cord might be defective. However, this is very rare. To determine if the power cord is defective, use a multimeter to test it for the cord for power. If the power cord is not getting power, replace it.