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Goodman ARUF496116CA Defrost Sensor Board
The defrost control board instructs the outdoor unit to begin the defrost sequence which may be necessary to keep the outdoor unit free from frost build-up. The defrost sensor board is relayed information from a temperature sensor located in the outdoor unit to determine when to begin.
Important signs the defrost sensor board should be replaced
- Your HVAC system will stop functioning due to too much frost
- Unit defrost session will not kick in despite the fact that there is a lot of frost on the external unit
- The HVAC system control board could throw an error code referring to a bad defrost board
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