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International Comfort Products C9MPV050F12B1 Defrost Sensor Board
The defrost control board determines when or if to start the defrost sequence which assists to get rid of the frost that collects on the outdoor unit. The control board depends on a specific sensor that can be found near the condenser, in order to agree when to initiate the defrosting cycle.
Major indications your defrost board should be replaced
- The main circuit board might give out a specific error code referring to a failing defrost control board
- Self defrost sequence will not kick in even when there is a large quantity of frost in the way
- The system may not work due to the fact of the frost blocking the flow of air
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