Dan A Sunnyvale , CA October 20, 2017 Appliance: LG Electric Range LRE3023ST Lg Range Lre3023st / : No display except the clock but you can't change. How to replace Cerama Bryte Cooktop Cleaner. By changing the main board , in 15 minutes I was able to have the electric range to work again. Do-It-Yourself Rating: Repair Time Estimate: Less than 15 minutes