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International Comfort Products HAC230GKA4 Defrost Sensor Board
The defrost sensor control board commences the defrost sequence which assists to remove frost build-up that may accumulate. It looks to a sensor located near the condenser to ascertain when to begin.
What are some hints that my defrost sensor board is almost going bad?
- The system may end up not running due in part to frost blocking the fins on the outside unit
- Self defrost sequence never initiates especially when there is frost on the external unit
- The main control board could throw an error signal produced by a failing defrost board
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