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Carrier 48XPN030060300 Defrost Sensor Board
The defrost sensor control board will determine when to initiate the defrosting phase which may be necessary to get rid of the frost that collects on the outdoor unit. The defrost sensor board depends on a defrost sensor located in the outdoor unit to verify when the defrost cycle should begin.
Hints your Carrier defrost sensor board has to be replaced
- Defrosting does not begin even though there is a large amount of frost on the external unit
- The main control board may signify an error signal produced by a bad defrost control board
- The whole system may stop functioning due to the safety features installed
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