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Carrier 38AUQ Defrost Sensor Board
The defrost control board instructs the outdoor unit to begin an important defrosting cycle which may be needed in order to continue normal heating and cooling operations. The defrost board is influenced by a sensor located somewhere by the condenser to ascertain when to begin.
Main clues your Carrier defrost sensor board will not last the year
- The system may cease to operate due to the frost blocking the flow of air
- Your main control board might issue a type of error code produced by a bad defrost control board
- Unit defrost session will not kick in despite that there is a large amount frost in the way
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