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Nordyne E3EX-015H Defrost Sensor Board
The defrost sensor board determines when to initiate the defrost cycle which helps to continue normal heating and cooling operations. It is influenced by a specific sensor located in the outdoor unit to ascertain when to initiate the defrosting cycle.
Chief elements poorly running defrost sensor board
- Defrost session refuses to initiate even though there is quite a bit frost on the external unit
- The system may stop running at all because of the frost issue
- The main circuit board may show a particular error code referring to the failed defrost sequence
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