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International Comfort Products TCA236AKA1 Defrost Sensor Board
The defrost control board determines when or if to start the defrost sequence which assists to continue normal heating and cooling operations. The control board looks to a specific sensor that can be found near the condenser, in order to agree when to initiate the defrosting cycle.
Key signs of a poorly performing AC defrost sensor board
- The main circuit board could display an error of some type referring to a bad defrost board
- Air conditioning may cease to function due to the safety features installed
- Defrosting does not run despite that there is a large amount frost on the external unit
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