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Carrier 25HPA542H0030010 Defrost Sensor Board
The defrost control board commences the defrost sequence which assists to remove frost build-up that may accumulate. The defrost sensor board relies on a sensor located somewhere by the condenser to verify when the defrost cycle should begin.
Simple signals your outdoor defrost sensor board is dead
- The control board might give out an error of some type when encountering a problem
- The HVAC system could not operate due in part to too much frost
- Defrost session does not begin even though there is quite a bit frost on the outdoor unit
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