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International Comfort Products TCH042AKA1 Defrost Sensor Board
The defrost sensor control board will determine when to initiate an important defrosting cycle which actually helps to keep your outdoor unit from plugging up. The board relies on a defrost sensor located in the outdoor unit to decide when to begin.
General warnings of a poorly working defrost sensor board
- The HVAC system control board might issue an error signal when encountering a problem
- Your system could stop running due to the safety features installed
- Defrost mode never starts even though there is excessive frost on the external unit
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