Many customers eliminate the importance of the regular check. However the diagnostic conducted in time may extend the life of your device and save your time and money. The owners should be alert when their refrigerator isn’t cold enough, when they face water puddles inside and outside the fridge, when the refrigerator defrosts itself. No panic, you can use a Blue Book and try to investigate the issue personally. Another good idea is to call a Pro and convey an effective diagnostic. The maintenance worker will recommend the further steps and say which parts have to be replaced.