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International Comfort Products GDE075B12A1 Defrost Sensor Board
The defrost control board instructs the system to activate the defrost sequence if necessary, to keep the outdoor unit free from frost build-up. The board looks to a defrost sensor that can be found near the condenser, in order to agree when to begin.
Symptoms of a weakening defrost sensor board
- The system will not run due to the fact of the frost blocking the flow of air
- Defrost mode will not initiate despite the fact that there is quite a bit frost that needs to be removed
- The main circuit board may show a type of error code if the defrost board goes out
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