If the water is siphoning from the tub the outlet end of the drain hose is likely lower than the water level in the tub. The drain hose should terminate between 30 inches to 36 inches (77 centimeters to 92 centimeters) above the floor, depending on the model, in a standpipe or laundry tub. If the drain hose is sealed at the top of the standpipe or excess hose is pushed too far down into the pipe, siphoning can also occur.
Common
02 - Washing Machine Control Board
If the washer can successfully drain the water from the tub then a defective control board could be responsible for the washer not stopping. The control board cannot be easily tested, but you can try to inspect it for signs of burning or a shorted-out component to help determine if the part should be replaced.
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If the washer can successfully drain the water from the tub then a defective main control board could be responsible for the washer not stopping. The main control board cannot be easily tested, but you can try to inspect it for signs of burning or a shorted-out component to help determine if the part should be replaced.
If the washer can successfully drain the water from the tub then a defective timer could be responsible for the washer not stopping. You can test the timer by using a multimeter and consulting the wiring diagram. If the timer is defective, replace it.