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Carrier 50JZ048300 Defrost Sensor Board
The defrost sensor board commences the defrost cycle in order to rid your unit of frost that can build up. The control board depends on a temperature sensor located near the condenser to verify when to initiate the defrosting cycle.
General warnings to watch for in a bad outdoor defrost sensor board
- Defrost mode never starts even though there is a lot of frost that makes the unit run like crap
- Your system could cease to operate due in part to the fact that there is too much frost
- The control board could signify an alphanumeric error code referring to a bad defrost board
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