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Carrier 38YCC048 Defrost Sensor Board
The defrost control board is jobbed with determining when to begin the defrosting phase which may be needed in order to defrost your outdoor unit. The control board is relayed information from a specific sensor located near the condenser to ascertain when to begin.
Cues of an inadequate defrost sensor board
- The defrost sequence never kicks in even though there is excessive frost on the external unit
- Your system could not run for the simple fact of the amount of frost on the outdoor unit
- The main circuit board could throw an error of some type referring to a failing defrost control board
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