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Carrier 58STX11010022 Defrost Sensor Board
The defrost control board will begin an important defrosting cycle which may be necessary to keep your outdoor unit from plugging up. The control board is influenced by a defrost sensor located near the condenser to ascertain when to begin.
Major warnings of a dying defrost sensor board
- Self defrost sequence never begins despite that there is a large amount frost on the external unit
- AC and heating system could not work for the fact of the frost issue
- The main control board could display an error signal when the defrost control board refuses to initialize properly
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