Hi Jamie: After checking all of this and if it still dont work you will need to put in a new control board.
Plug cord into live electrical outlet. Check for proper voltage.
Check fuse or reset circuit breaker.
Push any key to turn ON the clothes washer and press the Rotary Cycle Selector knob to start the clothes washer.
Close door and push the Rotary Cycle Selector knob to start the clothes washer.
Check to see if the clothes washer is in a pause, soak or suds period in the cycle. Wait briefly and it may start. If washer is in suds period, SU and DS will display alternately, instead of the time remaining.
Check for restricted drain system. If there is an electrical problem in the drain system, ND error will occur after 15 minutes.
Check water supply.
Check the line screen and water valve screen.
Check for loose connections at machine control board terminal connections
Replace machine control board.
In this link, with your model could find parts replacement:
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