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International Comfort Products N9MP2075B12A2 Defrost Sensor Board
The defrost sensor board determines when to initiate an important defrosting cycle in order to defrost your outdoor unit. The defrost board looks to a specific sensor located in the outdoor unit to verify when the defrost cycle should begin.
Signs the AC defrost sensor board is on its last leg
- The main board could signify a particular error code if the defrost board goes out
- The system may stop operating at all because of the amount of frost on the outdoor unit
- Self defrost sequence never runs even though there is quite a bit frost on the outdoor unit
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