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International Comfort Products H8DNL125L20A1 Defrost Sensor Board
The defrost control board commences the defrost cycle which may be necessary to keep your outdoor unit from plugging up. It is influenced by a temperature sensor located in the outdoor unit to ascertain when to initiate the defrosting cycle.
Indications your International Comfort Products defrost sensor board is dying
- The defrost feature never starts even though there is excessive frost that makes the unit run like crap
- Your system could not operate because of the frost blocking the flow of air
- The primary control board might give out a particular error code when a defrost board fails to initialize
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