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Whirlpool ATE0942RPP0 Defrost Sensor Board
The defrost control board instructs the system to activate an important defrosting cycle if necessary, to keep the outdoor unit free from frost build-up. The board is influenced by a defrost sensor located somewhere by the condenser to make the decision on when the defrost cycle should begin.
Major symptoms of a deteriorating defrost board
- The HVAC system control board may show an error code when encountering a problem
- Self defrost sequence refuses to run even though there is a lot of frost that has built up
- Your HVAC system will end up not running for the fact of the amount of frost on the outdoor unit
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