The dryer will not start. I get error code F01. What do I need to fix.

You would need to replace the control board to fix the F1 error on that model. The board you need is linked below:

https://prismparts.com/products/whirlpool-dryer-main-electronic-control-board-pp2605106?_pos=1&_sid=5d35eee97&_ss=r