Quoted from Michaelb56270:You guys are awesome! I’m going to bring home a can of gold contact cleaner and conditioner and try the connectors first, then see what happens. I’m pretty new at electronics repair work at 63, but I’m not too old to learn! And what thermistor are we talking about? Where do I get one??
They are referring to this:
https://www.greatplainselectronics.com/proddetail.asp?prod=B57238S0259M
It it in the pwoer supply box (open the coin door, look to the immediate right where the "additional C/C plug is).