The Defrost Timer (Defrost control) acts like a clock by switching on the defrost heater circuit after a predetermined amount of compressor run time. This allows the defrost circuit to clear the evaporator of ice or frost to maintain proper airflow. If this part is not working, it can lead to temperature increases in your refrigerator. If
...Read more the compressor circuit fails, no cooling will take place; if the defrost circuit isn't activated, ice will quickly build up on the evaporator coils and reduce airflow and efficiency. If the timer doesn't advance or if the contacts have no continuity, the timer will need to be replaced. This part is located inside of the control housing on most models, and is approximately 3 inches long and 2.5 inches wide. This part is constructed of plastic and metal, and comes in white. It features 1 defrost timer, along with all necessary mounting hardware and installation instructions
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