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Haier HPN10XCM Defrost Sensor Board
The defrost sensor board will begin an important defrosting cycle in order to continue normal heating and cooling operations. The board relies on a defrost sensor located somewhere by the condenser to make the decision on when to begin.
Warnings of a poorly performing Haier defrost sensor board
- Defrost mode refuses to initiate even when there is a large quantity of frost on the unit
- The HVAC system could end up not running due to lack of airflow through the outdoor unit
- Your main control board may show an error signal produced by a bad defrost control board
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