A commercial freezer is a critical component of many businesses. When it doesn’t work the way it should, the business can suffer lost inventory or worse, health and food-safety concerns. But if you don’t have years of experience with commercial freezers, it can be hard to tell what’s a minor issue and what requires prompt repair. Here are four problems that commonly occur with commercial freezers. If you spot any of these, your freezer needs a qualified technician to perform repairs.