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Carrier 48XZ060115300 Defrost Sensor Board
The defrost control board controls if and when to commence the defrost cycle which may be needed in order to get rid of the frost that collects on the outdoor unit. The control board is influenced by a defrost sensor that can be found near the condenser, in order to determine when to begin.
General warnings of a weakening defrost board
- Self defrost sequence will not kick in especially when there is frost that makes the unit run like crap
- The main board could signify an alphanumeric error code if the defrost board fails
- The whole system may not work for the simple fact of the amount of frost on the outdoor unit
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