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SPT WA-1150DE Defrost Sensor Board
The defrost sensor control board instructs the system to activate the defrost sequence which assists to keep your outdoor unit from plugging up. The defrost sensor board is relayed information from a specific sensor that can be found near the condenser, in order to verify when the defrost cycle should begin.
Clues to watch for in a failing SPT defrost sensor board
- The HVAC system control board could throw an error signal referring to the failed defrost sequence
- Unit defrost session never runs especially when there is a rather large amount of frost built up
- Air conditioning may not work due to the fact of the safety issue that the frost poses
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