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International Comfort Products HHP436AKA1 Defrost Sensor Board
The defrost sensor control board controls if and when to commence the defrosting phase in order to defrost your outdoor unit. The board is relayed information from a sensor located in the outdoor unit to agree when to begin.
Clues the defrost sensor board has little life left
- Most systems will not run for the simple fact of the frost blocking the flow of air
- Your main control board could throw a specific error code if the defrost board fails
- The defrost sequence never initiates despite that there is a large amount frost that needs to be removed
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