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Panasonic CS-E9NKUAW Defrost Sensor Board
The defrost sensor board instructs the system to activate the defrost cycle which may be needed in order to get rid of the frost that collects on the outdoor unit. The board is relayed information from a specific sensor located somewhere by the condenser to ascertain when the defrost cycle should begin.
Important hints the AC defrost sensor board has very little life left
- Defrost session never kicks in despite that there is a large amount frost in the way
- The main control board may issue a particular error code when the defrost control board refuses to initialize properly
- The system will not run due to the fact of way too much frost build-up
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