David R Hastings , MI April 17, 2017 Appliance: LG Refrigerator LDC22720ST Lg Refrigerator Ldc22720st / Astclgg: Light switch would not turn on light in fridge. How to replace Refrigerator Door Switch. I watched the repair video and I replaced the switch. I ordered the switch on Friday and the part came the next day. Amazing. 376 People found this story helpful Do-It-Yourself Rating: Repair Time Estimate: Less than 15 minutes