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Whirlpool ATR0753RPP0 Defrost Sensor Board
The defrost sensor board determines when to initiate the defrost cycle which may be needed in order to remove frost build-up that may accumulate. It looks to a specific sensor located somewhere by the condenser to determine when to begin.
What red flags are there that my outdoor defrost sensor board has to be replaced?
- Defrosting has not run for a while despite the fact that there is a lot of frost built up
- The main circuit board may show an error code when the defrost control board refuses to initialize properly
- The AC may not run for the simple fact of the safety features installed
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