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So unfortunately F01 is a very straight forward error and it means that your relay control board has failed and will need to be replaced. The relay control board is mounted to the left side wall above the dryer drum. To access the part, just pull the dryer forward and unplug it. Then remove the screws going in through the back of the top panel. The top panel will then pull straight back, up, and off. That gives you access to the board so you can replace it. You'll need the full model number located on a sticker inside the door way to look up the part number you need for your model, but the part is usually about $200 or so.
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