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Carrier 58STA110 Defrost Sensor Board
The defrost sensor board determines when or if to start the defrosting phase which assists to get rid of the frost that collects on the outdoor unit. The defrost board is influenced by a temperature sensor that can be found near the condenser, in order to agree when to initiate the defrosting cycle.
Major indications of a declining defrost board
- The main board might give out a type of error code if the defrost board goes out
- Self defrost sequence will not kick in especially when there is a rather large amount of frost that has built up
- Most systems will stop operating due to too much frost
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