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SPT WA-1061H Defrost Sensor Board
The defrost control board is jobbed with determining when to begin the defrost cycle which aids to keep your outdoor unit from plugging up. The defrost board looks to a temperature sensor which is near the condenser somewhere, in order to make the decision on when to initiate the defrosting cycle.
Key symptoms of a poorly working outdoor defrost sensor board
- The system may not run due to the fact of the safety features installed
- Self defrost sequence will not kick in despite that there is a large amount frost on the external unit
- The main board could throw an error number if the defrost control board fails
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