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International Comfort Products N9MP1075B12A1 Defrost Sensor Board
The defrost control board initiates the defrost cycle in order to get rid of the frost that collects on the outdoor unit. The defrost board relies on a sensor located somewhere by the condenser to make the decision on when the defrost cycle should begin.
What to see if the defrost board is in need of a replacement?
- The HVAC system could stop functioning for the simple fact of too much frost
- The control board could signify a type of error code referring to a failing defrost control board
- Defrosting never initiates despite the fact that there is quite a bit frost on the unit
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