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International Comfort Products TCH424AKA1 Defrost Sensor Board
The defrost sensor control board controls when to launch the defrost cycle which helps to continue normal heating and cooling operations. The board is influenced by a temperature sensor that can be found near the condenser, in order to agree when the defrost cycle should begin.
Key signs of a deteriorating International Comfort Products defrost sensor board
- The system will not operate because of the frost blocking the flow of air
- The primary control board may throw an error code produced by too much frost
- Defrost mode never kicks in especially when there is frost on the outdoor unit
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