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Amcor AWS180HR Defrost Sensor Board
The defrost sensor board will begin the defrost cycle which aids to remove frost build-up that may accumulate. The board relies on a temperature sensor located in the outdoor unit to decide when to initiate the defrosting cycle.
Elements of an ineffective AC defrost sensor board
- Air conditioning may not run due to frost blocking the airflow outside
- Unit defrost session refuses to initiate even though there is excessive frost on the external unit
- The main board might issue an error signal if the defrost control board fails
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