I was able to fix our Whirlpool Duet dryer, which was displaying “F01” error message and not starting, by replacing a burnt relay on the control board. Below is the link to the relay I bought from Advanced Electronics via Ebay:
https://www.ebay.ca/itm/Omron-General-Purpose-Relay-G8P-1A4P-12VDC-30A-250VAC/122633197771?ssPageName=STRK%3AMEBIDX%3AIT&_trksid=p2060353.m2749.l2648