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Nordyne E3EB-010H Defrost Sensor Board
The defrost sensor board instructs the outdoor unit to begin the defrosting phase if necessary, to defrost your outdoor unit. The control board is influenced by a temperature sensor located in the outdoor unit to make the decision on when to initiate the defrosting cycle.
Major signs of a deteriorating outdoor defrost sensor board
- Defrost session does not begin even when there is a large quantity of frost that makes the unit run like crap
- AC and heating system could cease to function for the simple fact of frost blocking the fins on the outside unit
- The HVAC system control board might give out an error signal produced when the defrost board is bad
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