Chances are that you don't have proper ventilation for this unit. Commercial appliances put off way more heat than home appliances and need to have space to 'breath'. If this freezer is surrounded by other hot appliances or if it is in a room with poor ventilation, you might want to considering moving it. If that doesn't solve the problem then contact a True Refrigeration rep to come out and look at. Most True models have a 5-year warranty on the compressor.