Mark F Fair Oaks Ranch , TX November 23, 2019 Power surge to main board at times unit would power down and I’d have to unplug and plug it back in Discussed issue with Rep. and we decided mainboard replacement was the best action. Watched procedure on youtube. Very easy procedure. Replacement of mainboard solved the problem. I received the part the next day. Outstanding. 20 People found this story helpful Do-It-Yourself Rating: Repair Time Estimate: 15-30 minutes