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Carrier 38YCC036 Defrost Sensor Board
The defrost sensor board controls if and when to commence the defrosting phase in order to keep your outdoor unit from plugging up. The board is influenced by a specific sensor which is near the condenser somewhere, in order to agree when to begin.
Indications your defrost board is dying
- The system will stop working for the simple fact of way too much frost build-up
- The primary control board might issue a specific error code when a defrost board fails to initialize
- The defrost sequence never runs despite the fact that there is quite a bit frost in the way
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