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International Comfort Products N8MPL075F16B1 Defrost Sensor Board
The defrost sensor control board controls if and when to commence the defrost cycle if necessary, to defrost your outdoor unit. It relies on a temperature sensor that can be found near the condenser, in order to determine when the defrost cycle should begin.
Major signs of an unhealthy defrost board
- AC and heating system could not run at all because of the amount of frost on the outdoor unit
- Defrost mode has not run for a while even though there is a large amount of frost that needs to be removed
- The main control board could display a type of error code if the defrost board goes out
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