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International Comfort Products NTG3075HFA3 Defrost Sensor Board
The defrost control board will begin the defrosting phase which may be needed in order to continue normal heating and cooling operations. The board is influenced by a sensor located somewhere by the condenser to agree when to begin.
Key clues of a poorly performing outdoor defrost sensor board
- The control board could signify an error signal when the defrost board fails
- AC and heating system could cease to operate at all because of frost blocking the fins on the outside unit
- Defrosting will not kick in especially when there is frost that makes the unit run like crap
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