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Carrier 38YSA036 Defrost Sensor Board
The defrost control board determines when or if to start the defrost sequence if necessary, to keep your outdoor unit from plugging up. The defrost sensor board depends on a defrost sensor located near the condenser to verify when to begin.
How can I tell if my Carrier defrost sensor board is crapping out?
- Your main control board may show an error signal when the defrost control board refuses to initialize properly
- Your system could not operate due to the safety features installed
- Self defrost sequence refuses to run even when there is a large quantity of frost on the outdoor unit
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