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Lennox XP14-060 Defrost Sensor Board
The defrost sensor control board determines when to initiate the defrosting phase which aids to defrost your outdoor unit. The board looks to a specific sensor which is near the condenser somewhere, in order to determine when to begin.
Simple indications of a weakening Lennox defrost sensor board
- Your HVAC system will cease to function for the simple fact of the amount of frost on the outdoor unit
- The primary control board may signify a particular error code when the defrost board fails
- Unit defrost session does not begin even though there is quite a bit frost that needs to be removed
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