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Panasonic CU-E18NKUA Defrost Sensor Board
The defrost sensor control board controls if and when to commence the defrost cycle in order to continue normal heating and cooling operations. The board looks to a specific sensor that can be found near the condenser, in order to determine when the defrost cycle should begin.
Key indicators that my defrost sensor board is not working properly?
- Defrost mode will not kick in especially when there is frost in the way
- Most systems will cease to function because of lack of airflow through the outdoor unit
- The HVAC system control board could throw an error number produced when the defrost board is bad
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