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LG AMNC123APM0 Defrost Sensor Board
The defrost control board will begin the defrost sequence which actually helps to keep the outdoor unit free from frost build-up. The control board depends on a defrost sensor located near the condenser to ascertain when to begin.
Signals the defrost sensor board has little life left
- Defrost session refuses to initiate even though there is a lot of frost on the outdoor unit
- The AC may not run because of the frost blocking the flow of air
- The control board may issue a specific error code when the defrost board fails
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