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International Comfort Products H8MPN075F16B1 Defrost Sensor Board
The defrost control board controls if and when to commence the defrost cycle which helps to keep the outdoor unit free from frost build-up. It is relayed information from a defrost sensor that can be found near the condenser, in order to verify when the defrost cycle should begin.
What happens when my AC defrost sensor board is crapping out?
- The primary control board might give out an alphanumeric error code referring to a bad defrost board
- Unit defrost session refuses to run despite the fact that there is quite a bit frost on the external unit
- The whole system may stop operating due to frost blocking the airflow outside
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