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International Comfort Products R2H318GKR100 Defrost Sensor Board
The defrost sensor control board commences an important defrosting cycle which actually helps to get rid of the frost that collects on the outdoor unit. The control board is relayed information from a sensor which is near the condenser somewhere, in order to make the decision on when to begin.
Some clues the AC defrost sensor board has very little life left
- The control board might issue an error number if the defrost board goes out
- The system will stop running at all because of the amount of frost on the outdoor unit
- Self defrost sequence will not kick in even though there is a large amount of frost that has built up
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