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International Comfort Products NHP218GKA1 Defrost Sensor Board
The defrost control board is jobbed with determining when to begin an important defrosting cycle which may be needed in order to get rid of the frost that collects on the outdoor unit. The defrost board depends on a sensor that can be found near the condenser, in order to determine when the defrost cycle should begin.
What symptoms are present when the defrost board has a need to be replaced?
- The primary control board may show an error signal produced by a failing defrost board
- The system will stop functioning at all because of way too much frost build-up
- Defrosting does not run despite the fact that there is quite a bit frost in the way
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