If you have doubts about the temperature inside the freezer, it is required to test its functioning. First of all, make sure that the temperature setting knob is in the correct position. Quite often, the owner accidentally turns it to the minimum value, and this becomes the reason why the freezer does not maintain the right temperature. If the temperature is set correctly and there is no huge layer of ice buildup in the freezer, and the freezer works, but does not freeze, one of the refrigerator units must have failed. When the freezing issue appears, it is time to check the fan. The evaporator fan can be found behind the rear panel of the freezer. Open the freezer and depress the light switch on the door. Listen to your refrigerator; there is a fan located at the back of the freezer which circulates air throughout the freezer. Make sure this fan is audible. Check the fan at five-minute intervals; it does not run during cooling cycles. If you hear clicking at regular intervals and your fan is not working as well as it used to, you may have a broken fan blade. Wet your palm. Place your hand in the freezer and feel for air movement from the fan. Touch the interior walls of the freezer for areas that are excessively frosty or warm. Empty the freezer. Place a glass of water in each corner of the freezer. Wait one to two hours. Examine the development of frost and ice on these glasses to see if you have a corner that is warmer or cooler than the rest. In case of faulty evaporator fan motor, replace it. We recommend testing a defrost thermostat as well. A defrost thermostat opens the heater circuit when the evaporator temperature rises above a preset temperature, 40°F (5°C) or more, thereby preventing excessive heating of the freezer compartment. The defrost timer is such that either the compressor or the defrost heater is on, but not both at the same time. A malfunctioning thermostat can keep the defrost heating elements from turning on or keep them on too long, causing heat damage or even a fire. Therefore, it is vital to test both the evaporator fan and defrost thermostat and resolve the issue. Don’t hesitate to give us a call for more details!
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