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Carrier 48GX036090300 Defrost Sensor Board
The defrost control board is jobbed with determining when to begin an important defrosting cycle which actually helps to keep the outdoor unit free from frost build-up. The defrost sensor board is relayed information from a defrost sensor located in the outdoor unit to verify when to initiate the defrosting cycle.
What are the indications that my Carrier defrost sensor board is in need of a replacement?
- Your HVAC system will cease to function due in part to lack of airflow through the outdoor unit
- The main board may throw an error of some type if the defrost control board fails
- The defrost feature never runs even though there is a large amount of frost that makes the unit run like crap
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