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Carrier 50ZP042300 Defrost Sensor Board
The defrost sensor control board will begin the defrosting phase which assists to defrost your outdoor unit. The defrost sensor board depends on a defrost sensor located in the outdoor unit to decide when to initiate the defrosting cycle.
Symptoms of a deteriorating AC defrost sensor board
- Defrosting will not initiate despite that there is a large amount frost that needs to be removed
- The whole system may stop running because of the frost issue
- The main control board may signify an error of some type when the defrost control board refuses to initialize properly
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