My Power XL Vortex Air Fryer stopped working after I had checked a batch of chicken wings. My husband, Mike "MacGyver", suspected the switch or the circuit board. Thankfully, it was the switch, a $6 part, and a 5 minute fix.
This is a link for the switch:
https://www.amazon.com/Honeywell-Switch-Premium-Action-V7-1Z29E9/dp/B0734623SN/ref=sr_1_14?crid=1E1X54X4T0VYI&dchild=1&keywords=honeywell+v7-1z29e9&qid=1603517698&sprefix=honeywell+v7%2Caps%2C202&sr=8-14