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International Comfort Products C8DNL100L20A1 Defrost Sensor Board
The defrost control board determines when or if to start an important defrosting cycle which helps to continue normal heating and cooling operations. The defrost sensor board looks to a specific sensor located somewhere by the condenser to determine when to initiate the defrosting cycle.
Subtle hints the AC defrost sensor board will have to be replaced
- The HVAC system control board could display an error of some type when a defrost board fails to initialize
- Defrosting will not kick in even though there is quite a bit frost that makes the unit run like crap
- The whole system may stop working because of the amount of frost on the outdoor unit
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