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Lennox XP13-024 Defrost Sensor Board
The defrost control board is jobbed with determining when to begin the defrost sequence which may be needed in order to keep your outdoor unit from plugging up. It is influenced by a temperature sensor located in the outdoor unit to make the decision on when to initiate the defrosting cycle.
Cues of a barely functioning outdoor defrost sensor board
- Self defrost sequence does not begin even when there is a large quantity of frost on the unit
- The main circuit board may show an error code produced when the defrost board is bad
- The whole system may not operate due to the fact of the fact that there is too much frost
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