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International Comfort Products TDE075B12B1 Defrost Sensor Board
The defrost control board determines when to initiate the defrost sequence which may be needed in order to continue normal heating and cooling operations. The defrost board relies on a sensor located in the outdoor unit to determine when to initiate the defrosting cycle.
What are the indications that my defrost board is about to stop working?
- Defrost mode has not run for a while despite the fact that there is quite a bit frost that needs to be removed
- The HVAC system control board could throw a specific error code when a defrost board fails to initialize
- Air conditioning may stop functioning due to the fact of frost blocking the airflow outside
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