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International Comfort Products NTC7075BFA2 Defrost Sensor Board
The defrost sensor board initiates the defrost cycle which actually helps to remove frost build-up that may accumulate. The control board is relayed information from a defrost sensor located somewhere by the condenser to decide when to begin.
Hints of a bad AC defrost sensor board
- Self defrost sequence refuses to run even though there is quite a bit frost on the unit
- The primary control board may throw an error signal when a defrost board fails to initialize
- The whole system may stop running because of way too much frost build-up
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