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Samsung AVMHC128EA0 Defrost Sensor Board
The defrost sensor control board instructs the outdoor unit to begin the defrosting phase which assists to continue normal heating and cooling operations. The board looks to a defrost sensor located somewhere by the condenser to determine when to begin.
General indicators that your the defrost sensor board needs replacing ASAP
- The system will cease to operate for the fact of frost blocking the fins on the outside unit
- The main control board could throw an error code when the defrost control board refuses to initialize properly
- The defrost sequence never runs even though there is a large amount of frost that has built up
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