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Samsung MH026FECA Defrost Sensor Board
The defrost control board initiates the defrost cycle if necessary, to get rid of the frost that collects on the outdoor unit. The defrost sensor board is relayed information from a defrost sensor that can be found near the condenser, in order to make the decision on when the defrost cycle should begin.
Key indicators that my AC defrost sensor board is almost dead?
- Defrost mode will not kick in even though there is a lot of frost on the external unit
- The main board may issue an error signal produced when the defrost control board fails to receive a signal
- The system will not operate due to the fact of frost blocking the airflow outside
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