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Whirlpool ATE1555SPP0 Defrost Sensor Board
The defrost control board determines when or if to start the defrost sequence which helps to continue normal heating and cooling operations. The control board is influenced by a defrost sensor which is near the condenser somewhere, in order to make the decision on when the defrost cycle should begin.
What to see if the AC defrost sensor board is in need of replacing?
- The HVAC system could not work at all because of the fact that there is too much frost
- The main control board could signify an error number if the defrost board goes out
- The defrost sequence never initiates despite the fact that there is quite a bit frost in the way
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