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Carrier 38TRA036 Defrost Sensor Board
The defrost sensor board is jobbed with determining when to begin the defrosting phase if necessary, to get rid of the frost that collects on the outdoor unit. It relies on a temperature sensor located somewhere by the condenser to make the decision on when to initiate the defrosting cycle.
Signs your Carrier defrost sensor board is on its last leg
- The AC may cease to operate because of the frost blocking the flow of air
- The main circuit board could signify a type of error code produced when the defrost board is bad
- Unit defrost session refuses to initiate despite the fact that there is quite a bit frost in the way
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