I purchased two units at the same time for a beverage center. One was the mixed beverage/wine (works fine) and the other was a dual zone wine only. The dual zone fridge unfortunately experienced a problem with the cooling. Tech support through the chat diagnosed the problem and it was determined the unit needed to be replaced. It helps to have photos of the serial number and the display screen to help the techs troubleshoot and get to a resolution. If you have a thermometer to verify the temperature versus the internal sensor that also helps. As a former VP of Service for a medical laser manufacturer I appreciate the straight forward process and prompt commitment to replace the unit. I recommend NEWAIR versus others.