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International Comfort Products HHP430GKA1 Defrost Sensor Board
The defrost control board instructs the outdoor unit to begin the defrost cycle if necessary, to rid your unit of frost that can build up. The control board depends on a temperature sensor which is near the condenser somewhere, in order to determine when to begin.
Subtle cues of a poorly performing defrost sensor board
- The primary control board may issue an error of some type when the defrost control board refuses to initialize properly
- Air conditioning may end up not running due to the safety issue that the frost poses
- Defrosting never initiates especially when there is frost on the external unit
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