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SPT WA-1010E Defrost Sensor Board
The defrost control board controls if and when to commence the defrost sequence which aids to remove frost build-up that may accumulate. The defrost board is influenced by a defrost sensor located in the outdoor unit to ascertain when the defrost cycle should begin.
Clues of a bad defrost board
- The defrost feature has not run for a while even though there is quite a bit frost on the external unit
- The HVAC system control board could signify a particular error code if the defrost board fails
- Your system could cease to operate for the simple fact of the fact that there is too much frost
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