... Defrost function Commerical Yogurt Ferment Machine1. Plug in, the machine is ready in refrigeration condition, press emergency switch, point ... ready temperature is 5 Celsius degree. After 4 hours continuous refrigeration, the machine will defrost for 10 minutes, after that, return ... , rice wine: 4-6-8 hours, 14-22-36 hours, 36-54-72 hours or adjustableRefrigeration temperature: 5 degree.Automatic ...