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Payne PY1PNB018040 Defrost Sensor Board
The defrost control board is jobbed with determining when to begin an important defrosting cycle in order to rid your unit of frost that can build up. It is influenced by a defrost sensor which is near the condenser somewhere, in order to verify when to initiate the defrosting cycle.
Important signs your defrost board will not live much longer
- The system will stop operating because of too much frost
- The HVAC system control board might give out a particular error code when the defrost board fails
- The defrost feature never runs even though there is a lot of frost built up
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