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International Comfort Products GNL050N12C3 Defrost Sensor Board
The defrost sensor control board commences the defrost cycle which may be needed in order to remove frost build-up that may accumulate. The board is influenced by a sensor located somewhere by the condenser to ascertain when the defrost cycle should begin.
Subtle cues of a laboring outdoor defrost sensor board
- Your HVAC system will not work due in part to frost blocking the fins on the outside unit
- The primary control board might give out a particular error code when the defrost board fails
- The defrost sequence does not begin especially when there is frost on the external unit
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