Diane B Corrales , NM August 31, 2020 Appliance: LG Microwave LCRT2010ST/00 Lg Microwave Lcrt2010st/00: Microwave turntable and fan stayed on when door was open. How to replace Microwave Door Switch. Husband took off the back, replaced the lowest door switch. Dennis M.'s story was very helpful. It was easy to tell that the switch had burned up because it was scorched. Delivery was SUPER FAST! Do-It-Yourself Rating: Repair Time Estimate: Less than 15 minutes