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Whirlpool ATR0742SPP0 Defrost Sensor Board
The defrost sensor control board will begin the defrost cycle which may be necessary to keep the outdoor unit free from frost build-up. The defrost sensor board relies on a specific sensor that can be found near the condenser, in order to agree when the defrost cycle should begin.
How can I tell if my outdoor defrost sensor board is in need of a replacement?
- Most systems will stop running for the simple fact of the fact that there is too much frost
- The main circuit board may issue a particular error code when a defrost board fails to initialize
- Unit defrost session never kicks in even though there is quite a bit frost on the unit
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