TROUBLESHOOTING 27 TROUBLESHOOTING FAQs: Frequently Asked Questions 0: A What are the best temperatures settings for my freezer and refrigerator? The default setting for the freezer is 0° Fahrenheit (-18° Celsius). The default setting for the refrigerator is 37° Fahrenheit (3° Celsius). Adjust these settings as necessary fo keep food at desired temperatures. Milk should be cold when stored on the inner shelf of the refrigerator. lcs cream should be firm and ice cubes should not melt in the freezer.