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Sanyo KHS2472 Defrost Sensor Board
The defrost sensor board determines when to initiate the defrosting phase if necessary, to continue normal heating and cooling operations. The board is influenced by a temperature sensor located in the outdoor unit to decide when the defrost cycle should begin.
Subtle cues of a poorly performing AC defrost sensor board
- Air conditioning may end up not running due to the fact of the amount of frost on the outdoor unit
- The defrost sequence never begins especially when there is a rather large amount of frost built up
- The main control board may issue an error of some type produced by a failing defrost board
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