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Carrier 48XP042060300 Defrost Sensor Board
The defrost sensor control board instructs the system to activate the defrosting phase which actually helps to keep the outdoor unit free from frost build-up. The defrost sensor board is relayed information from a specific sensor located somewhere by the condenser to verify when the defrost cycle should begin.
Key indicators that my Carrier defrost sensor board has to be replaced?
- Defrost session never kicks in especially when there is a rather large amount of frost that has built up
- The main circuit board may issue an alphanumeric error code when the defrost control board refuses to initialize properly
- Your system could stop functioning at all because of too much frost
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