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Whirlpool ATR1253BPP0 Defrost Sensor Board
The defrost control board will begin the defrost cycle which helps to keep the outdoor unit free from frost build-up. It looks to a specific sensor that can be found near the condenser, in order to verify when to begin.
Hints your outdoor defrost sensor board is in need of replacing
- Defrost mode refuses to initiate even though there is quite a bit frost on the outdoor unit
- The main circuit board might issue an error number produced by a failing defrost board
- Most systems will stop running for the simple fact of too much frost
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