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Nordyne E3EX-017H Defrost Sensor Board
The defrost control board instructs the system to activate the defrosting phase which aids to continue normal heating and cooling operations. The defrost sensor board looks to a temperature sensor which is near the condenser somewhere, in order to verify when to begin.
Simple signals your outdoor defrost sensor board will eventually need to be replaced
- The primary control board could throw an alphanumeric error code produced by a failing defrost board
- The whole system may not run due to the fact of way too much frost build-up
- The defrost sequence will not kick in especially when there is a rather large amount of frost on the outdoor unit
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