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International Comfort Products HHP048GKA1 Defrost Sensor Board
The defrost sensor board determines when or if to start the defrost cycle which actually helps to get rid of the frost that collects on the outdoor unit. The defrost sensor board is relayed information from a temperature sensor that can be found near the condenser, in order to decide when to initiate the defrosting cycle.
Red flags the defrost sensor board is in need of replacing
- The defrost feature never starts even though there is a large amount of frost on the external unit
- The main board could display an error number when a defrost board fails to initialize
- The AC may cease to function due to the frost issue
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