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International Comfort Products PGF Defrost Sensor Board
The defrost sensor board controls if and when to commence the defrost cycle which may be needed in order to keep the outdoor unit free from frost build-up. It is relayed information from a sensor that can be found near the condenser, in order to agree when the defrost cycle should begin.
Simple indications of a dying outdoor defrost sensor board
- Your main control board could signify an error of some type produced by a failing defrost board
- Defrost session never begins even when there is a large quantity of frost on the outdoor unit
- Your HVAC system will cease to function because of the frost blocking the flow of air
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