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Goodman GCV90704CXA-P1257803F Defrost Sensor Board
The defrost control board determines when to initiate the defrost sequence if necessary, to keep the outdoor unit free from frost build-up. It looks to a temperature sensor which is near the condenser somewhere, in order to verify when to initiate the defrosting cycle.
Easy warnings of a bad outdoor defrost sensor board
- Unit defrost session has not run for quite some time especially when there is frost in the way
- The control board may show a type of error code if the defrost board goes out
- The system may not run at all because of the frost blocking the flow of air
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