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Samsung AVMHH128EA0 Defrost Sensor Board
The defrost sensor control board initiates the defrost cycle if necessary, to get rid of the frost that collects on the outdoor unit. The defrost board is influenced by a sensor located in the outdoor unit to decide when to begin.
Major warnings poorly running AC defrost sensor board
- The HVAC system control board could display an error signal when encountering a problem
- Self defrost sequence will not kick in even when there is a large quantity of frost on the outdoor unit
- AC and heating system could not operate due to the fact of frost blocking the fins on the outside unit
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