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Whirlpool ATR0942CPP0 Defrost Sensor Board
The defrost control board initiates the defrost sequence which actually helps to defrost your outdoor unit. The defrost sensor board is influenced by a temperature sensor that can be found near the condenser, in order to determine when the defrost cycle should begin.
Clues to watch for to know your outdoor defrost sensor board is dying
- Unit defrost session has not run for a while even though there is quite a bit frost that needs to be removed
- The main control board might issue an error number produced by a failing defrost board
- Your HVAC system will stop running for the simple fact of way too much frost build-up
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