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International Comfort Products NTC7125BKA1 Defrost Sensor Board
The defrost control board will determine when to initiate the defrosting phase if necessary, to continue normal heating and cooling operations. The defrost sensor board is relayed information from a temperature sensor located somewhere by the condenser to verify when to initiate the defrosting cycle.
Major symptoms your defrost board will soon need to be replaced
- AC and heating system could cease to operate because of the frost issue
- Unit defrost session never starts even though there is excessive frost on the unit
- The primary control board might give out an error of some type if the defrost board fails
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