Ron K Kasson , MN December 24, 2022 Appliance: Model LMV1813SW /01 LG microwave didn't start. I ordered a Latch Board Assembly replacement. Took down from over the range, removed the outer panel, and changed out the switch assembly.. AppliancePartsPros.com made this so smooth. The parts arrived in 2 days. $30 or $450 for a new one...Easy choice Thanks, AppliancePartsPros.com. Do-It-Yourself Rating: Repair Time Estimate: 30-60 minutes