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Carrier 38YCS030 Defrost Sensor Board
The defrost sensor board is jobbed with determining when to begin the defrost cycle which helps to rid your unit of frost that can build up. The defrost board depends on a sensor located somewhere by the condenser to decide when to begin.
Warnings of a weakening Carrier defrost sensor board
- Your main control board may signify a specific error code when the defrost board fails
- Defrost session has not run for quite some time especially when there is a rather large amount of frost on the external unit
- AC and heating system could not operate due in part to the safety issue that the frost poses
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