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International Comfort Products NDP6075FBA1 Defrost Sensor Board
The defrost sensor control board initiates an important defrosting cycle which aids to keep the outdoor unit free from frost build-up. The control board depends on a specific sensor located somewhere by the condenser to ascertain when the defrost cycle should begin.
Signals of a weakening AC defrost sensor board
- The primary control board may show a specific error code when a defrost board fails to initialize
- The defrost feature never begins especially when there is a rather large amount of frost on the outdoor unit
- Most systems will cease to operate due to the fact of too much frost
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