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Hello, this is most likely a problem with the printed circuit board.
Tell me a lot about your technical skills so that I can coach you most appropriately, If you want to dig into the electronics attach a close up, well lit and exceedingly well focused photo of the wiring diagram glued inside one of the service access panels,
USe the attach files link next to your send button for that,
I am off to bed shortly, if I miss you tonight I will pick up your response first thing in the morning,
Hello again, here is a manual that you can view on line
See this trouble shooting section, 3 pages. Page 25 has the wiring diagram, there are two printed circuit boards, the display board behind the temp display, and the 'control board' you can follow the fan and auger wires to it.
You can try a heat stress test on the control board by using a hair drier to warm it up to 125F, slowly and gently, if it has micro crack flaws in it, this heating will either 'improve' the behavior, or precipitate the problem... in either case the stress test has discovered micro cracks, replace the board.
You can do the same test on the display board, but heat it from behind but not from the plastic front.