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International Comfort Products HPFM48K000A Defrost Sensor Board
The defrost control board instructs the system to activate an important defrosting cycle which helps to defrost your outdoor unit. The defrost sensor board looks to a temperature sensor located near the condenser to agree when to initiate the defrosting cycle.
Major clues of an ineffective AC defrost sensor board
- The system will stop running for the fact of frost blocking the airflow outside
- The HVAC system control board may issue an error signal produced by a bad defrost control board
- The defrost sequence never starts despite that there is a large amount frost built up
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