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Lennox XC15-030 Defrost Sensor Board
The defrost control board controls when to launch the defrosting phase which may be necessary to continue normal heating and cooling operations. The defrost sensor board depends on a specific sensor located somewhere by the condenser to ascertain when to begin.
Major symptoms your defrost board will eventually need to be replaced
- Your system could stop running due to the fact of frost blocking the fins on the outside unit
- Unit defrost session refuses to run especially when there is frost built up
- The main board may signify an error of some type produced by too much frost
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