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Haier HC42D2VAR Defrost Sensor Board
The defrost sensor control board determines when to initiate the defrost cycle which aids to remove frost build-up that may accumulate. It depends on a sensor that can be found near the condenser, in order to determine when to begin.
General indicators that your the defrost sensor board needs to be replaced
- The control board may show an error of some type when the defrost control board refuses to initialize properly
- The defrost sequence does not run despite the fact that there is quite a bit frost that has built up
- AC and heating system could end up not running because of the amount of frost on the outdoor unit
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