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International Comfort Products TCH018AKA1 Defrost Sensor Board
The defrost sensor control board determines when or if to start the defrosting phase which assists to keep your outdoor unit from plugging up. The control board looks to a specific sensor located near the condenser to determine when to begin.
Signals the AC defrost sensor board is not going to last much longer
- The system will stop functioning due to the fact of the frost blocking the flow of air
- Defrost mode never runs especially when there is frost in the way
- The main control board may signify an error number produced by a bad defrost control board
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