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Whirlpool ATR1553SPP0 Defrost Sensor Board
The defrost control board controls when to launch the defrosting phase which aids to continue normal heating and cooling operations. The control board looks to a temperature sensor located somewhere by the condenser to make the decision on when to begin.
General indicators that your your outdoor defrost sensor board needs to be replaced
- Unit defrost session refuses to run especially when there is frost on the external unit
- Your system could cease to function because of the fact that there is too much frost
- The main circuit board may throw an error code produced by a bad defrost control board
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