A Viking refrigerator not defrosting can be a big problem. This important appliance needs a steady defrost cycle to work well. When this cycle does not work properly, frost builds up. This frost prevents the refrigerator from keeping the right temperatures. Let’s look into how the defrost system operates in a Viking refrigerator. We will also go over the steps you can take to fix it. https://viking-appliancerepair-pros.com/blog/viking-refrigerator-not-defrosting-troubleshooting-tips/