Dennis M Port St Lucie , FL April 04, 2020 Appliance: LG Refrigerator LDC22720ST/00 Lg Refrigerator Ldc22720st/00: Refrigerator light out. How to replace Refrigerator Door Switch. I used the video on this site to diagnose my problem and how to fix it. It covered my model. IT was great. It also fixed to ice maker that stopped working too.It showed how to pop out the old and replace the new one. I was shipped the correct part faster than expected.I was a little aprehensive at first but it went very well. Thanks for saving me lots of money! Do-It-Yourself Rating: Repair Time Estimate: Less than 15 minutes