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International Comfort Products NHP018AKA1 Defrost Sensor Board
The defrost control board instructs the outdoor unit to begin an important defrosting cycle in order to continue normal heating and cooling operations. The defrost sensor board depends on a defrost sensor located somewhere by the condenser to ascertain when to begin.
Some clues of a poorly working defrost board
- Your system could cease to operate due to the fact of the fact that there is too much frost
- The defrost feature never initiates even though there is quite a bit frost that needs to be removed
- Your main control board might give out an error number produced by a failing defrost board
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