Cause

“O FF” or OFF  “Demo Mode” or “Display Mode” has been activated.

The Display Mode disables all cooling in the refrigerator and freezer sections to conserve energy while on display in a retail store. When activated, OFF is displayed on the control panel and the display remains on for 20 seconds.

Customers can activate this Demo Mode if unit is not to be used for extended periods of time.

Solution

Turn off demo mode.