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Haier CPN08XCJ Defrost Sensor Board
The defrost sensor control board will determine when to initiate the defrost sequence which may be necessary to keep the outdoor unit free from frost build-up. The board depends on a temperature sensor located in the outdoor unit to decide when to initiate the defrosting cycle.
Main clues your Haier defrost sensor board needs replacing
- Self defrost sequence never kicks in even though there is excessive frost that makes the unit run like crap
- The control board could throw an error number when the defrost control board refuses to initialize properly
- The system will not run for the simple fact of the safety features installed
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