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Carrier 38TRA048 Defrost Sensor Board
The defrost control board will determine when to initiate the defrosting phase which helps to remove frost build-up that may accumulate. The control board is influenced by a sensor that can be found near the condenser, in order to verify when to initiate the defrosting cycle.
Symptoms of a worsening Carrier defrost sensor board
- Defrost session never runs even when there is a large quantity of frost that needs to be removed
- The main circuit board may throw an error of some type if the defrost control board fails
- Your HVAC system will not operate due to the fact of the fact that there is too much frost
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