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International Comfort Products T9MPT075F14B1 Defrost Sensor Board
The defrost sensor control board initiates the defrosting phase which aids to keep the outdoor unit free from frost build-up. It is relayed information from a specific sensor which is near the condenser somewhere, in order to verify when to begin.
What are the indications that my defrost board is in need of a replacement?
- Your system could cease to function because of frost blocking the airflow outside
- The main control board may throw an alphanumeric error code produced when the defrost board is bad
- Unit defrost session does not run even though there is a large amount of frost on the external unit
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