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International Comfort Products NTC7125BKG1 Defrost Sensor Board
The defrost sensor control board determines when to initiate the defrosting phase which may be necessary to defrost your outdoor unit. The board is influenced by a defrost sensor located somewhere by the condenser to determine when to initiate the defrosting cycle.
Subtle cues to watch for in a failing outdoor defrost sensor board
- Air conditioning may not run for the fact of the amount of frost on the outdoor unit
- Self defrost sequence has not run for a while even though there is excessive frost that needs to be removed
- The main board could signify an error number referring to a failing defrost control board
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