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International Comfort Products HAC230AKA1 Defrost Sensor Board
The defrost sensor control board instructs the system to activate the defrosting phase if necessary, to keep the outdoor unit free from frost build-up. The defrost board depends on a defrost sensor located near the condenser to verify when the defrost cycle should begin.
What are the indications that my defrost sensor board has to be replaced?
- The main board could throw an error signal when the defrost control board refuses to initialize properly
- Defrost session never starts despite that there is a large amount frost that makes the unit run like crap
- The system may end up not running due in part to frost blocking the airflow outside
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