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Goodman GKS90904CXAB Defrost Sensor Board
The defrost sensor control board will begin the defrost sequence which helps to remove frost build-up that may accumulate. The control board looks to a sensor that can be found near the condenser, in order to make the decision on when to initiate the defrosting cycle.
Simple indications of a declining defrost sensor board
- Defrosting has not run for a while especially when there is frost that has built up
- The whole system may end up not running due to the fact of frost blocking the fins on the outside unit
- Your main control board may show an alphanumeric error code produced when the defrost control board fails to receive a signal
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