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Goodman GKS90904CXAD Defrost Sensor Board
The defrost control board commences the defrost cycle if necessary, to rid your unit of frost that can build up. The control board depends on a temperature sensor located near the condenser to agree when the defrost cycle should begin.
Major warnings your outdoor defrost sensor board needs replacing ASAP
- Self defrost sequence will not kick in even though there is a lot of frost on the outdoor unit
- Air conditioning may cease to function for the fact of the frost blocking the flow of air
- The main board could signify an alphanumeric error code referring to a bad defrost board
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