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Carrier 38EZG042 Defrost Sensor Board
The defrost sensor control board is jobbed with determining when to begin the defrost cycle if necessary, to keep the outdoor unit free from frost build-up. The board depends on a specific sensor which is near the condenser somewhere, in order to decide when the defrost cycle should begin.
Some clues of an ailing AC defrost sensor board
- The main control board may show an error code when encountering a problem
- Most systems will stop working due to the fact of the safety features installed
- Defrost session has not run for a while even when there is a large quantity of frost that needs to be removed
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