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International Comfort Products PGS036S100F Defrost Sensor Board
The defrost sensor control board will determine when to initiate the defrost sequence in order to get rid of the frost that collects on the outdoor unit. The control board looks to a defrost sensor located in the outdoor unit to verify when the defrost cycle should begin.
Signals the AC defrost sensor board should need replacing
- Self defrost sequence will not initiate especially when there is frost on the external unit
- The HVAC system control board may signify an error of some type produced by a failing defrost board
- Your HVAC system will not operate for the fact of the fact that there is too much frost
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