I have LG stove that was serviced 2 times during it's warranty period, the oven would shut off by itself, so I had to reset in the middle of baking. two different companies came out and replaced both electronic boards on the top, but problem persisted. the third time I checked online and I found this company, Chicagoland Appliance Repair I called them one of the tech came out and in 2 minutes said that it was small board at the bottom back.he had it ordered and came back to install it in four days.since than the stove is working for more than two months,and it never shut off.
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