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Carrier 38HDR036 Defrost Sensor Board
The defrost control board controls if and when to commence the defrosting phase which may be necessary to continue normal heating and cooling operations. The control board looks to a temperature sensor which is near the condenser somewhere, in order to ascertain when to begin.
Signs of an ineffective defrost sensor board
- The defrost sequence never runs even when there is a large quantity of frost built up
- Your main control board might issue an error code produced when the defrost control board fails to receive a signal
- The whole system may not operate due to frost blocking the airflow outside
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