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LG LMAN120HNS Defrost Sensor Board
The defrost sensor board initiates an important defrosting cycle which may be needed in order to get rid of the frost that collects on the outdoor unit. The control board depends on a temperature sensor located in the outdoor unit to ascertain when the defrost cycle should begin.
Elements of a poorly performing LG defrost sensor board
- Defrosting will not initiate even though there is a lot of frost that has built up
- Your main control board might give out an error number referring to a bad defrost board
- The AC may not operate because of lack of airflow through the outdoor unit
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