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Carrier 50XP060300 Defrost Sensor Board
The defrost control board initiates the defrost sequence which may be necessary to defrost your outdoor unit. The board depends on a defrost sensor that can be found near the condenser, in order to decide when the defrost cycle should begin.
Some warnings of a declining AC defrost sensor board
- Your main control board may throw an error number referring to a bad defrost board
- Self defrost sequence refuses to initiate especially when there is a rather large amount of frost that has built up
- Most systems will stop working because of too much frost
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