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So the unit could be in flood mode or it could have a bad main control board. Flood mode is entered when the washer tries to fill for 6 minutes and it doesn't reach the proper water level. If this occurs the washer will just drain constantly for 30 minutes. Leave the washer plugged in and let it keep draining. If it's still running after 30 minutes, then you need to replace the main control board which you can order in the link below. If it stops draining, then great---make sure you have good water pressure going to the washer because it sounds like the water was coming in too slow or too much stuff was added and absorbed too much water to allow the washer to fill quick enough.
CLICK HERE for control board
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