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International Comfort Products C9MPD100J14A1 Defrost Sensor Board
The defrost sensor control board controls if and when to commence the defrosting phase which may be necessary to keep your outdoor unit from plugging up. The defrost sensor board looks to a specific sensor that can be found near the condenser, in order to make the decision on when to begin.
Some warnings of an ailing defrost board
- The main board might issue a type of error code if the defrost board goes out
- The defrost sequence will not initiate even though there is a lot of frost on the external unit
- The AC may cease to operate for the fact of too much frost
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