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Lennox XP13-030 Defrost Sensor Board
The defrost sensor control board controls if and when to commence the defrost sequence in order to defrost your outdoor unit. The defrost sensor board is influenced by a specific sensor located in the outdoor unit to verify when the defrost cycle should begin.
How can I tell if my AC defrost sensor board needs replacing?
- The defrost sequence does not run especially when there is frost that needs to be removed
- Most systems will cease to function due in part to the frost blocking the flow of air
- The main circuit board may issue an error signal referring to a bad defrost board
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