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Samsung UQB09JJWC Defrost Sensor Board
The defrost sensor control board will begin the defrosting phase in order to get rid of the frost that collects on the outdoor unit. The board relies on a specific sensor located somewhere by the condenser to agree when the defrost cycle should begin.
General warnings of an ineffective defrost sensor board
- Air conditioning may not run at all because of the frost blocking the flow of air
- Unit defrost session does not run despite that there is a large amount frost built up
- Your main control board could display an alphanumeric error code when the defrost board fails
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