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Carrier 58DLA155 Defrost Sensor Board
The defrost sensor board instructs the outdoor unit to begin the defrost sequence if necessary, to keep your outdoor unit from plugging up. The board is relayed information from a specific sensor located near the condenser to agree when to begin.
Major symptoms the defrost sensor board will need to be replaced
- The system will not work for the fact of too much frost
- The main control board may issue an error signal when the defrost control board refuses to initialize properly
- Self defrost sequence has not run for quite some time even though there is quite a bit frost that has built up
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