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International Comfort Products T8DNL100L20A1 Defrost Sensor Board
The defrost control board instructs the system to activate the defrost sequence if necessary, to get rid of the frost that collects on the outdoor unit. The board is relayed information from a temperature sensor located in the outdoor unit to agree when the defrost cycle should begin.
Warnings of a failing outdoor defrost sensor board
- The HVAC system could cease to operate at all because of frost blocking the airflow outside
- Your main control board may issue a particular error code when a defrost board fails to initialize
- Defrost session refuses to initiate even though there is a large amount of frost that needs to be removed
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