Samsung refrigerators are very simple machines to work on. From a glance, they can seem a bit overwhelming even to a field technician. Samsung refrigerators have been in the field for several years now in the United States. As with everything, the first few production runs had some flaws when they were introduced. The new Samsung refrigerators have fewer problems. If you do run into a problem, here is how to self diagnose your Samsung Refrigerator yourself.